My motor was replaced in august so i would assume if the mounts were shot the shop would have said something but i will look into the motor mounts. Starting, car starts right up and jumps to 2k rpms or whatever when starting, and when its settling back down sometimes it will just die, otherwise idle will drop extremely low to the point of it not registering on the tach, and then idle back up. Still receives the hitts/ I could stomp on floor and it plays the stomp?. Looks like the 2nd drive cycle is when it throws it's codes. I disconnect battery for 30 minutes and I'm OK again. It doesn't effect the car moving or driving at speed only when stationary. And it still runs rough. after removing the nd no codes EGR is disabled in neutral and park. I've just eliminated the leaks that the car once had by replacing the lower intake gasket. Related Engine Idle Rough Content 1997 Mitsubishi Galant Coolnat Leak/rough Idle Engine Cooling Problem 1997 Mitsubishi Galant 4 Cyl Two Wheel Drive Automatic N/a Miles At The Start Of The Car Idles Fine Then Begins. Still doing the same rough idle. It runs rough and idles very low and will even quit a few times. Have someone put in drive with foot on brake and see what is pulled/pushed against as far as mounts are concerned. Specifically, in the morning when the car has been started from a cold state, I: I. When my cam cover leaked it caused a rough idle and reduced brake effect. When I drive it, it runs fine. Mazda 5 idle shake. Doesn't matter if its in park, going forward or reverse. My 2014 gmc Sierra tx edition, idles rough while in drive, smooth while parked. I'll drive it. Top 10 Causes of a Rough Idle. ) If I switch to Neutral the rough idle subsides. This is how it goes. Let it idle for a minute, and it kicked back a P0300, random misfire. all was going well until i had to sit at a stop light for a few minutes and there it reared its head again, rough idle, sat there in Drive, waiting, it came from nowhere?? then when i have to drive away, the thing's running like a bag of wrenchesnot as bad as before the torque down but rough all the same. When a Ford Focus exhibits problems with running roughly at idle speeds, auto mechanics generally look first to either a vacuum problem, or more often, a problem with water getting into the Differential Pressure Feedback Sensor (DPFE), a part of the EGR (exhaust gas recirculation system). While stopped in drive with my foot on the brake the car idles sporaticly between 300-500. I've just eliminated the leaks that the car once had by replacing the lower intake gasket. My motor was replaced in august so i would assume if the mounts were shot the shop would have said something but i will look into the motor mounts. If only happens in drive then I suspect the motor mount that is torqued when engine shifts in engine compartment when put in drive. '11 Limited 5. Still had rough idle. I have a 2010 corolla s 1. Q: Rough idle when in drive. After saying a few choice words, I took a walk and picked up 6 new plugs and the socket, best case scenario, I'll have some spare plugs and a coil pack for down the road. Hence, after knowing the ways to troubleshoot rough idle when warm problem, anyone. Some soot from exhaud - Markval : Ok had live data readings. They should be close to each other when put in drive. - Idle is rough only after vehicle warms up This problem with the idle in drive has been present for about a month now and the hesitations are getting worse; and when it hesitates, the RPMs drop and then return, at which time the vehicle continues to accelerate. The AC AC being on or off has no effect either. I noticed when I turn it off and on again it takes a few moments and maybe a drive down the street to start that issue again. My car rough idle goes away when i turn on the A/C, RPM's go up to about 800 and everything seems fine. This is a good example of how basic engine diagnostic tests can work to pinpoint the root cause of the cars problem. Feels really good. About 2 months ago the etc light (lightning bolt) came on and the car had a rough idle and no power. Rough Idle I've had my '05 SLK350 for a couple of months now and the car has always had a noticeably rough idle in Drive hot or cold. The truck does not want to accelerate at all, (yes I put a new accelerator pump in the carb) At idle in PARK, the engine runs smooth as silk and when you blip the throttle, response is crisp and strong. It doesn't effect the car moving or driving at speed only when stationary. However, there is a better way, based on the assumption that you have a foot on the brake because you leave the car in D at the lights. The vehicle will not run rough in drive as long as the RPMs remain above 800. Re: 1995 F150 5. This only happens after driving the car for a bit, car idles fine when I first start it leaving for work and going home. :D Rough idle has now gone. Hi!!! I have a 1997 626 LX 2. Check engine light just started flashing recently Hi there. I did notice through my ultragauge that the commanded throttle % dropped to 3-4% when it's normally at 11-12% while stopped and in gear. I have a 2003 Mitsubishi 4 cyliner. A bad hose in any part of the engine is easy to fix. Recommended Services. Re: Help with F150 rough idle/hesitation/vibration I had a Very similar problem (no vibration) about 1. I just noticed you didn't mention a check engine light or any codes. Doesn't matter if its in park, going forward or reverse. The AC AC being on or off has no effect either. I have only owned my Cruze about 72 hours but I notice when I come to a complete stop the idle is rough or vibrates. My car runs fine and has a nice smooth idle, like a fucking eagle soaring over a lake. The rough idle has not changed in all of this no matter what the status of the indicator light. If only happens in drive then I suspect the motor mount that is torqued when engine shifts in engine compartment when put in drive. After driving a bit and the engine warming up completely, whenever i stop the idle drops down to ~400-500 rpms and feels/sounds rough, no AC on. A couple months I started having a rough idle. If you own a 2007-09 Jeep Compass or Jeep Patriot and you have a vibration at idle, start with this fix before replacing any parts. Rough idle in drive, and loss of power. I changed the spark plugs first thinking it was that, which it wasn't. My Toyota Camry seems to idle rough when I come to a stop (i. Nothing quite compares to the sheer feeling of “you can’t. I did drive a new one on the lot to compare and also idled a little rough as well. When a Ford Focus exhibits problems with running roughly at idle speeds, auto mechanics generally look first to either a vacuum problem, or more often, a problem with water getting into the Differential Pressure Feedback Sensor (DPFE), a part of the EGR (exhaust gas recirculation system). The IAC steps should also rise when put in gear, or steering wheel turned all the way one way or the A/C compressor engages to reflect the added load and drop down when put back in neutral. At first the rough idle wasnt really an issue as I thought it was just cold and that the engine was just warming up. It doesn't effect the car moving or driving at speed only when stationary. TrailBlazer - rough idle and drive on a 2003 - From the moment I turn the car on I feel the engine jump every couple of seconds. This happened both in and out of gear but only when the engine was still cold, idle returned to normal once normal op temp had been reached. Happens when cold or warmed up. 5 DOHC engine w/ auto trans. A rough idle/misfire usually starts out as being merely a nuisance, but if the causes are not identified and corrected, it may result in your engine not starting, or stopping altogether when you least expect it. Some soot from exhaud - Markval : Ok had live data readings. One of the most common problems is likely a rough running or poorly idling engine. Also, both my Mechanic 1 and 2 said that, although troubled, my car is okay to drive. The steering wheel shakes and I can feel i in the seat. Hi everyone, i bough in 2011 a 2010 sierra 4x4 5,3l brand new, at 8000km i reported a rough idle ( almost undetectable) looking at the water in my water bottle i saw ripples and it stop and ripples again. I disconnect battery for 30 minutes and I'm OK again. The RPMs would hover a notch below 500 and when the rough idle would kick in, yo. I recently puchased a 2007 9-5 2. Let's go over each of these causes in more detail and learn how they can be remedied. Post Reply. After a long drive at freeway speeds (over an hour) my excursion has a rough idle. When a Ford Focus exhibits problems with running roughly at idle speeds, auto mechanics generally look first to either a vacuum problem, or more often, a problem with water getting into the Differential Pressure Feedback Sensor (DPFE), a part of the EGR (exhaust gas recirculation system). Sprayed caberator cleaner in throttle body and it straighted out and ran ok. Any other gear it drives smooth. Discussion in '4th Gen 4Runners (2003-2009)' started by Kraycik, Mar 14, 2019. A misfire will cause the engine to momentarily stumble, or lose rpms, and then regain its normal engine speed. Rough Idle when stopped in drive gear? My 02 Automatic Transmission Maxima with 60,000 miles has just started running rough. It seems to go away when you put the car in Neutral. when in drive sitting at a light my idle gets rough sometimes feels like it wants to die, like a missfire. Any ideas? Had a couple people look at it including Toyota and they say it's normal. 7l v8, 25k miles - getting a rough idle. Continue reading to diagnose why your Accord's engine is revving while it is parked. Almost like the idle is too low. The best course of action is to take your vehicle to an Omaha auto service professional, but here are a few things it could be…. but it can be wires, coil pack, plugs, even a ground. I never noticed the rough idle before, and it certainly did not "stutter" while driving before. It's that common rough idle problem with the protege. The vibration at idle affects the 2. From what I can tell, the ATF didn't smell burnt and was full on the dipstick. It sounds to me like a lope but the spec for idle is 1200 +-50 and it idles right 1200-1250 but occasionally it's like it misses and drops to 1100 and pics back with the loping sound. Your engine isn't about to blow up. Seems when I come to a light press the pedal somewhat firmrpms drop to idle. I've also replaced the EVAP (sensor/canister)? code P0443 on top of the motor when it showed a code for that. Funnily when i mentioned my I6 rough idle to the service manger at Garlick ford, he said "it needs a ($120) injector clean, then" he also mentioned a problem where the solenoid that actuates the variable inlets sticks and leaves the engine on "hi rev" position. Intermitint issue, Not 24/7. The tac shows 500 rpm when in gear, which seems to be low to me. The vibration was noticeable in reverse but not as bad. Every now and then at a stop, the car will get a jumpy rough idle. The engine starts easily but idles very rough and can only be kept running by blipping the throttle; when first started. If i am to place the it in neutral or the max AC off while in drive it goes away, and the rough idle/ shaking does not occur with regular driving just while stopped and in drive. As soon as I shift back into Drive, the RPM's dip and its idling rough again. Heres what my issue is like. I tried different drive cycles but to no avail. There is a lack of power under light acceleration, but I can still chirp the tires when I do a WOT. In Park or Neutral the idle is faster as there is no load on the motor, therefore smoother. I have a '00 GLX Tip. Drive the vehicle to complete the relearning process. The high idle in drive and park is tough on the engine and murder (in drive) on the already fragile transmission, not to mention the brutal effect it has on U-joints when you shift into drive at. After recently installing headers with true dual 2. Driving it with the AC on I don't notice the shaking, but when I'm waiting at a red light for example, it can get annoying. I/M readiness not ready. 7l v8, 25k miles - getting a rough idle. Almost like the idle is too low. You may also notice odd sounds, as well as inconsistent RPM counts. Normal engine vibration transfers to the passenger compartment with bad engine mounts. Normally, a. A couple months I started having a rough idle. I've had one code thrown for a cylinder two miss-fire. There is a lack of power under light acceleration, but I can still chirp the tires when I do a WOT. Then back to the same thing. He said everything looked good. The sludgy acceleration has mostly gone away (it still seems to be there a little bit at slower speeds, but that might just be me being oversensitive), but the rough idle is still present. well its a common problem. While enterprise HPC users rely on on-premise infrastructure for most workloads, cloud spending is on the rise. Also it idles really rough. [This may explain the idle problems, including both high and irregular idle, he experienced. Has anybody that has had a rough idle issue been able to get it resolved? I absolutely LOVE my 2013+ and the only issue I have had with it is rough idle in Drive when stopped for 15 seconds or more. Rough Idle in Drive. It started 3 months ago with rough idling. I'd start with the easy and cheapest things first,. This is a little odd. A car running rough can be tricky to diagnose. Now last summer/fall is when I did all my mods to it so I'm hoping thats not it. After it is driven a bit, and shut off, it will only crank (and not start). first check that your distributor is working correctly and the timing isn't changing for the fast idle (ok maybe fast idle can have slight advance) and idle in P and D. A rough idling engine can be caused by spark plugs or spark plug wires. The truck does not want to accelerate at all, (yes I put a new accelerator pump in the carb) At idle in PARK, the engine runs smooth as silk and when you blip the throttle, response is crisp and strong. No noticeable surging and no RPM fluctuation at idle. im going to copy a post from there that can hopefully help everyone with their idle problems. Rough Idle when stopped in drive gear? My 02 Automatic Transmission Maxima with 60,000 miles has just started running rough. Re: 1995 F150 5. rough idle in drive but not park My 97 quest recently had a head gasket replaced. Could be any number of things Intermittent misfire (sometimes won't trigger the CEL, but a dealer could scan for latent codes), dirty MAF sensor, Clogged injectors, Vacuum leak, really clogged air filter The list goes on. I bought my 330i last year 2017 in October. Once the idle settles down after inital start up it starts to sputter. It sounds to me like a lope but the spec for idle is 1200 +-50 and it idles right 1200-1250 but occasionally it's like it misses and drops to 1100 and pics back with the loping sound. A scan tool (like the DRB II) can display target idle and actual idle. The vibration gets worse in drive and reverse but it is still present in park and neutral. Spark plugs have not been changed. maybe a mod will even sticky this to keep down on the bad idle threads everyday. When idle speed changes significantly or stalling on throttle release occurs, a problem is indicated. New O2 sensor eliminated all trouble codes. Hence, after knowing the ways to troubleshoot rough idle when warm problem, anyone. Note: This condition is only when stopped at idle with the transmission in Drive and foot on the service brake. Hey guys, I know that this has been covered a lot but I am trying to narrow down what I should do to try to remedy my rough idle. The car has over 200k miles. It gets better. Engine rough idle problems arise because car engines are demanding. First checked fuel rail pressure (common fault) but its spot on 5 bar) plus looks like someone has already changed the high pressure pump!. First I will show you a video of such a rough idle and then list the possible problems that may cause that. Thanks in advance, Brian. I was changing over some pads and disks the weekend and when I was driving home from my friends house i noticed my 1. Almost like the idle is too low. Over the last two years or so the van had developed a rough idle issue. Help, I'm at my wit's end with my 97 LX protege 1. It still idles a little rough and the intermittent miss is still there. Mazda 5 idle shake. A car running rough can be tricky to diagnose. Your engine isn't about to blow up. The rough idle in drive, with the squeeking noise was a combination of: A broken aftermarket tailpipe/mount. Cars idling rough at stops can have many causes, including damaged sparkplugs, improperly installed sparkplugs or damage to the car's fuel injector, carburetor, vacuum hoses or ignition wires. Yeah did you swap any of the plug wires? After a tuneup when everything should be running better, usually a swapped spark plug wire will make it run worse than it did before. Matt Miles wrote: "Was cruising tonite on the highway at 65 mph in cruise, and occasionally the motor would stumble. w/rough idle. Related Engine Idle Rough Content 1997 Mitsubishi Galant Coolnat Leak/rough Idle Engine Cooling Problem 1997 Mitsubishi Galant 4 Cyl Two Wheel Drive Automatic N/a Miles At The Start Of The Car Idles Fine Then Begins. is that bull or what?. Rough Idle RPM? I'm getting a rough idle/vibration around 650 RPMs when the truck is warm. Sounds like your base idle needs adjusting, how fast is it idling. The engine movement may be too much from bad mount in the drive location. I have spent almost $1000. Drive the vehicle to complete the relearning process. first check that your distributor is working correctly and the timing isn't changing for the fast idle (ok maybe fast idle can have slight advance) and idle in P and D. A bad hose in any part of the engine is easy to fix. my car started and in park the idle fluctuated up to 1500 and down to about 1100 rpms every so often, put my car into drive and it was rough then eventually died. [2015 Escalade purchased August 2014] I'm wondering how many of us had this rough engine idle that shakes the whole truck? I had noticed it shortly after I purchased my Escalade, I thought maybe it was cold engine at first, but a week or so later it still had the rough idle when I was stopped at a red light. model with the 2. When at a stop the car does one big shake as the engine shuts off to save gas. The issue started as a intermittent rough idle at stop lights and pulling into parking lots its would go down to 200 rpms then pick right back up. A bad hose in any part of the engine is easy to fix. Dirty fuel injectors. Also, both my Mechanic 1 and 2 said that, although troubled, my car is okay to drive. I first started noticing this about the last few weeks, the car only has 20000 miles on the odometer. I did not remove the thottle body from the car. When its in gear at idle (like a stop light), it struggles to stay above 500 RPM, and will occasionally stall. Lately, I've been noticing a rough idle at stop lights when the car is in drive and the brake is on. New O2 sensor eliminated all trouble codes. Below are the top 7 causes of car shakes when idle, accelerating, driving, and braking. 0L V6 engine, is known for a rough idle, engine stalling, loss of power, and misfires, accompanied by the check engine light. Give your throttle body a cleaning and then see if either of your coil packs are going. I have mentioned it to Ford and "it is normal for this engine". When a vehicle begins to idle rough or stall, the idle system requires service. Engine warmed up quickly :D :D. Please help! Check oil light+Check engine light+rough idle/drive Hello all i have a 1994 ford ranger 4. We took it for a test drive, it drives well at higher speeds but still idles very rough. My Toyota Camry seems to idle rough when I come to a stop (i. My motor was replaced in august so i would assume if the mounts were shot the shop would have said something but i will look into the motor mounts. But there was something ‘off’ about the way our test CR-V Touring AWD behaved when we had it—first for video review, then for a week and another quick drive report of 140 miles. How To Tell If A Vehicle Is Idling Rough. It is important to take a car to a certified mechanic soon after it begins idling roughly in order to prevent more expensive damage. The engine movement may be too much from bad mount in the drive location. You can feel the car shaking and it feels like it is going to die. Could be any number of things Intermittent misfire (sometimes won't trigger the CEL, but a dealer could scan for latent codes), dirty MAF sensor, Clogged injectors, Vacuum leak, really clogged air filter The list goes on. Passed someone one on the highway (dropped down into passing gear) and now idles rough in Park/Neutral, and while in drive/reverse. If only happens in drive then I suspect the motor mount that is torqued when engine shifts in engine compartment when put in drive. I've replaced the fuel pump as it went out and the fuel filter above the tank. Fixing a rough idle requires a number of sequential check procedures, eliminating them one by one until the problem has been located. I have taken it to a half a dozen mechanics, promising me that they could find the problem. The following things have been checked: 1. It -should- idle at about 700-750, don't really know why it does that. Please help! Check oil light+Check engine light+rough idle/drive Hello all i have a 1994 ford ranger 4. Shut the vehicle off and go into the office. 7l v8, 25k miles - getting a rough idle. this condition will not be present in park, or neutral. I have a very rough Idle in drive not all the time but most of the time. The rough idle has not changed in all of this no matter what the status of the indicator light. IAC as mentioned above also, will cause rough idle and fluctuating rpm's when in park. When idle speed changes significantly or stalling on throttle release occurs, a problem is indicated. Mercedes-Benz E-Class and E-Class AMG: Why Does My Car Idle Rough? Does your engine idle rough? Read our diagnosis to learn if your MAF or oxygen sensor is the culprit. In drive or reverse at idle i have enough vibration to shake my dashboard and the steering wheel. It will drop below 600 for a second right at the point of stoping and then raise back up. Fixing a rough idle requires a number of sequential check procedures, eliminating them one by one until the problem has been located. 9 Z3 had a rough idle (sounds like a lumpy v8!). Related Engine Idle Rough Content 1997 Mitsubishi Galant Coolnat Leak/rough Idle Engine Cooling Problem 1997 Mitsubishi Galant 4 Cyl Two Wheel Drive Automatic N/a Miles At The Start Of The Car Idles Fine Then Begins. There is a lack of power under light acceleration, but I can still chirp the tires when I do a WOT. I disconnect battery for 30 minutes and I'm OK again. I had the same issue - exessive idle speed just to keep it running in gear. Car sometimes has rough idle and lurching motion. I started it again and the idle was rough so i let it run for 15, then ran the a/c and such. It idles terribly. Post Reply. Now it is at most red lights and stop signs. Rough running feel. You may also notice that your ABS light comes on. The problem prompted the publication of Technical Safety Bulletin 18-48-98. After the engine warms up idle speed will increase and the engine may smooth out (although acceleration may have some hesitation until the engine gets real hot. Most of these conditions can make the vehicle dangerous to drive. It sounds to me like a lope but the spec for idle is 1200 +-50 and it idles right 1200-1250 but occasionally it's like it misses and drops to 1100 and pics back with the loping sound. rough idle when stopped but in drive Hi everyone, am having problem with my 4unner and was wondering if anyone can help. While sitting at a light it will drop down and shake and then go back up. The ECU changes a lot of parameters in response. 2015 Silverado has developed a rough idle while in drive. Q: Rough idle when in drive. , I have my foot on the brake, and the car is in Drive (D). My civic touring tends to be a little rough at idle, whether it be at a stoplight or just sitting idling. A heavily clogged air filter. First, after driving it any distance it seems to idle rougher than my previous Rogue. Corsa - Rough idle , unstable drive. Holes in the air intake valve. Re: Help with F150 rough idle/hesitation/vibration I had a Very similar problem (no vibration) about 1. It is/was a well known problem that the EGR ports from the exhaust ports up the the EGR passage in the intake would get carbon buildup in them and periodically small bits of carbon would break loose and get caught in the EGR valve, thus it can't fully close when commanded (at idle) and thus the open valve causes a rough idle. While sitting at a light it will drop down and shake and then go back up. Could be any number of things Intermittent misfire (sometimes won't trigger the CEL, but a dealer could scan for latent codes), dirty MAF sensor, Clogged injectors, Vacuum leak, really clogged air filter The list goes on. I have a very rough Idle in drive not all the time but most of the time. I had the same issue - exessive idle speed just to keep it running in gear. Should I bring it to the dealer for a tuneup? Does Ford possibly have a software update for it? Not sure the tuneup interval for these vehicle. Almost like the idle is too low. My experience with the 4. My car has this rough low idle only in drive, and stumbles or misfires when accelerating. My car runs fine and has a nice smooth idle, like a fucking eagle soaring over a lake. - Idle is rough only after vehicle warms up This problem with the idle in drive has been present for about a month now and the hesitations are getting worse; and when it hesitates, the RPMs drop and then return, at which time the vehicle continues to accelerate. 1999 Pontiac Grand Am 2. Rough Idle on my Chevy 350; Welcome to Club Hot Rod! The premier site for everything to do with Hot Rod, Customs, Low Riders, Rat Rods, and more. The high idle in drive and park is tough on the engine and murder (in drive) on the already fragile transmission, not to mention the brutal effect it has on U-joints when you shift into drive at. I am starting to think that it may be related to an engine control device that is slightly off in its calibration - idles a little high in drive without accesories or the headlights on. It does not matter whether is cold or warm start. Read the codes, and go from there. I have a '00 GLX Tip. Now put the car into drive or reverse and the IQ goes to 3. Running Problems. Vibration at idle – Jeep Fix Vibration at idle. I am aware of a valve cover leak but it is because one stud is stripped. Honda is wrapped up in a rough idle 'controversy' right now. When I first start it up it runs around the 900 mark and then slowly drops to the 500 mark in park. Many different problems could result in a rough idle for your car or truck, including: dirty fuel injectors, clogged air filters, bad spark plugs, and a variety of exhaust system issues. Then repeat the test. When the cars idle gets rough, it hard to comprehend the related causes. Hi!!! I have a 1997 626 LX 2. Top 10 Causes of a Rough Idle | JL Motorworks. Normally, a. In Park or Neutral the idle is faster as there is no load on the motor, therefore smoother. Figured I'd share this since I've seen a good amount of people here complain about a rough idle. 75% of the vehicles I've ever owned have had a vibration at warm idle, especially while in drive. It has 131000 miles on it and has had all the recommended maintenance. A misfire will cause the engine to momentarily stumble, or lose rpms, and then regain its normal engine speed. When an outboard motor runs at speed but cannot hold an idle, it usually indicates a problem with the carburetor. Rough as engine vibrates like mad. The engine gets. hovering around 600 rpm. I did drive a new one on the lot to compare and also idled a little rough as well. Driving it with the AC on I don't notice the shaking, but when I'm waiting at a red light for example, it can get annoying. First, after driving it any distance it seems to idle rougher than my previous Rogue. Discussion in '4th Gen 4Runners (2003-2009)' started by Kraycik, Mar 14, 2019. 5 DOHC engine w/ auto trans. Below are the top 7 causes of car shakes when idle, accelerating, driving, and braking. 6 Protege with 70,000 miles and Automatic. Spark plugs have not been changed. In fact, the rough idle would only last for about 30 seconds and then go away as the engine would idle perfectly. According to Hyperion, 74% of HPC users run at least some workloads in the cloud, and HPC cloud usage is expected to expand from just 10% of workloads today to 15% by 2021, outpacing the. resulting in failing to start, sattling, bad idle, lack of lowdown power. I'm in Tasmania, Australia. A bad hose in any part of the engine is easy to fix. It frequently stalls when shifting from park to drive. This is the final calibration point in the system other than the idle mixture screws themselves. 5L This morning before my wife backed out of the garage I had to chase a cat away that was sitting behind the car. Should I bring it to the dealer for a tuneup? Does Ford possibly have a software update for it? Not sure the tuneup interval for these vehicle. Having loss of take off power, just seems sluggish. And it still runs rough. Just recently (past week) my idle has started to get rough (bounces 75rpm, use to be dead steady). Yeah did you swap any of the plug wires? After a tuneup when everything should be running better, usually a swapped spark plug wire will make it run worse than it did before. I changed the spark plugs first thinking it was that, which it wasn't. It will drop below 600 for a second right at the point of stoping and then raise back up. Dodge Dakota Forum for Dodge Dakota trucks with an interactive site including Dodge Dakota Forums, Pictures, Links, Message Boards, and Chat Forum. Car idle is rough Inspection. I tracked down when my engine starts to run rough. My 2003 325i has a lot of the same issues described in the thread, rough idle, maybe low idle and intermittent idle RPM hiccups where it dips very low under 500 RPMs. Also, both my Mechanic 1 and 2 said that, although troubled, my car is okay to drive.