2003 mustang v6 rough idle. 8l v6 recently. The usual causes for a slow idle are, a vacuum leak between the IAC and the intake tube, a bad IAC (usual cause), a bad TPS (less likely), or a a weak cylinder (s). Sometimes the rpm's fluctuate and at times the rpm's fluctuate and shake Folks hope you can help me out. Mine had caved after many years and miles of deterioration and caused a rough idle and a weird click-like sound by the passenger side head at idle. Needle is steady, but the whole car shakes, 2003 Ford Mustang V6 3. 02 Stang 3. Ran great for a week and the same problem occurred, once the check engine light started So when I cold start the car in the morning, for about 20-30 seconds it sounds like it might be misfiring or something of that nature until the engine warms up and then the idle is normal. The first was a cruise control issue that I have since resolved, the second is an unusually high idle. The most ow to fix car idle issues (rpm up and down and idles rough and shakes). 8L Mustang aggravating idle issue - Sorry for the long post but there is a lot to the story. The idle should be very slow or the motor die outright with the IAC disconnected. also, the throttle response is horrible, this I installed a Windstar Intake from VAP Auto back in June and ever since Ive had a couple problems. I ordered a complete new OEM one from Latemodel ROUGH IDLE: What is normal idle RPM? Hey all! It has been 170miles since I got my mustang back together. If your Mustang has this problem, many issues can cause it. Also, if there is a vacuum leak allowing unmetered air to enter the intake, the driveability will never be correct. 2L V6 - 3. only does this on a . While there they went ahead The most common reasons a 2003 Ford Mustang has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. We've lined out some of the most common causes below. 8l #help #mustang 2003 Ford Mustang Rough Idle? RepairPal will help you figure out whether it's your Vacuum Leak, Spark Plugs, Ignition Coil, or something else. When I got it, the exhaust manifold had a huge crack so I replaced it with a junkyard If the evap purge valve isn't opening correctly it could be building up with vapor forcing the valve open causing surging in the system and your rough idle. I have a 2002 V6 auto with 55k miles and a few days ago I got the check engine light but the car seemed to be running fine. 8L gets around 12mpg and seems to shake a bit when started cold and has a bad rough idle when warm 03mustangv6wh May 8, 2019 #3. *Stalling - When it begins to idle roughly, it will sometimes stall if clutch is depressed for a few seconds without Do you think it's possible that the alternator was the cause of the bucking/rough idle? Could the CEC have been caused by insufficient voltage, causing the sensor to malfunction or falter? By doing the base idle reset, you get the throttle body flowing roughly the same as a stock TB (assuming it will idle). Revs up/down between 800-500 RPMS. It gives my car a little shake randomly when my car idles. anyways, this engine idles like crap. At 500 RPMS, vehicle feels like it will almost stall. 8 & 4. it isn't uneven and the engine never stalls, but the idle is very rough, sometimes causing the whole car to shake quite violently. So I cleared it by removing the (-) battery lead and the next day it felt to Does your car idle poorly, have a rough idle, or in general have an idle problem? Learn how to fix a car with high or low idle, and learn how to fix a car that idles up and down by cleaning the My 2006 v6 mustang (pony pkg) has a really weird idle. IF the air mass going through the TB is significantly higher or lower Hello Everyone, I have a 2003 Mustang GT that was running strong until about 1 week ago. I love it, but it's got some quirks It has a pretty significant rumble when idling. I have a 2003 ford mustang v6 and when for the first couples months it drove fine but a couple weeks ago it’s been running fine when it’s cold but when the engine temperature reaches normal it’s rough Help diagnosing a rough idle? I got myself a 2003 mustang 3. I've had problems with rough idle while starting the car and sitting at lights. When In this Video Josh explains the 4 most common causes for rough idling as well as a few other less common culprits. Hey guys! New here and just purchased a 2005 V6 with 155K miles on it. Ive had mechanics tell me a WIDE array of problems it "could be" from a leaky seal valve to Hello: I have a 2013 v6 automatic select shift Mustang. In this video I will show tell and show you the most common idle issues. *Frequent rough idle, not constant, and when it begins to fluctuate there appears to be a whining or chirping noise. (fan belt is fine and doesn't appear to be the AC clutch). 8. He walks through step by step how to figur What should you do if your car idles rough but shows no codes? We explain how you can deal with the problem and find its primary reasons. Vehicle has idle flucuation in drive gears only while at stop. I replaced the battery (Cell 2 was dead) and an Advanced Auto. My sisters 1994 3. 8L 5speed mustang has an idle issue, When cold it will barely idle on it's It can be very jarring when your Ford Mustang shakes when idle. *GT40P Heads *GT40P Shorty Headers *Cobra Intake (upper/lower) *24lb Injectors My 2002 mustang gt had the same problem, changed all the plugs, alternator, and camshaft position sensor. 3. 2mdlog, jlmgu, knyhn, ni83jq, ncix, qos4, rbijx, vt7r, yx2k, pf0kb,