Rough cold start idle
Rough idle, but ONLY on very first cold-start in the morning?
My Cobalt fired right up in the morning (phew!) that after about 35-45 seconds of idling/warming up it suddenly started stumbling as if it was running out of ...
Rough idle on cold start | Drive Accord Honda Forums
So during the warm up transition you are feeling the engine because the cold engine needs the higher rpm but the mounts are in the stiff mode.
Cold start idle rough 2010 Mazdaspeed 3 - Mazda 3 Revolution
When it's cold, It would have rough idle at start for the first 20-30 seconds. It pulls fine. After it warms up, restarting idle is fine.
Rough idle, dies on cold start after bogging | Team Integra Forums
On a cold start, it idles up to about 1500 for a second, then drops to 1000 and resumes going lower until it starts bogging out and dies.
Tuned 12C cold start rough idle | McLaren Life
The cold start idle is very rough with RPMs all over the place and feels like the car is shaking for about 60 seconds after starting.
Finally! Hesitation and rough cold start fixed!
1. Rough idle on cold start. Only happens if the car was sitting overnight. After about 10 seconds it would smooth out perfectly. 2. I have always felt low RPM ...
Rough Idle on COLD start - Pontiac G8 Forum
It nearly dies, then chugs and coughs for a few seconds as if it will stall, but doesn't usually. Then it finds it's idle and runs fine. No hesitation in gear ...
Rough idle tapping noise when I cold start - Jeep Patriot Forums
Inspect the coils for any damage as well. If you can rule plugs out as a cause, I know that these engines are typically noisy on cold start-ups, ...
cold start rough idle until warm - Civic - HondaForums.com
2007 civic coupe, automatic. When cold, or sitting overnight only, vehicle starts up fine, however has rough idle, loud exhaust vibration sounds in interior.
Rough Idle on Cold Start - Edelbrock Community Forum
It runs great except for rough, unsteady idle for a couple of minutes after a cold start. Sometimes the engine will even die, thought it always restarts easily.
Rough idle on cold start - 2016 FoST2 - Ford Focus ST Forum
When I start the car in the morning the idle with dip down after about 30 seconds then go back up. I will attach a video of the idle dropping.
A Car Starts Rough And Then Smooths Out: Causes And Fixes
A faulty ignition system is among the top causes of a car's rough starting. Check the spark plugs, ignition coils, and ignition cables/wires for signs of damage ...
Rough idle for 5-10 seconds after cold start - YotaTech Forums
My 4Runner usually idles real rough for the first 5-10 seconds after starting it up. It only happens after the engine has sat for at least an hour.
Rough Idle on Cold Starts | DSMtuners.com
It should idle around 750. Cold it should be bumped up a bit. Start by checking the plugs of course. Then check the wire's for breaking or fraying.
R56 JCW - Rough idle cold start - Garage unable to diagnose
The car seems to be rough idle for 10-15 seconds before idling fine. This is only happening on initial startup when engine is cold. No fault codes present.
Rough idle on cold start - what to try next ? | Ford Explorer Forums
Another is idle air conrol (IAC) valve cleaning. Probably the most simple and often overlooked cause of a rough or stumbling idle, but almost never throws a ...
Rough idle at cold start, P0303 troubleshooting, engine death
#14 · tirediron Well-Known Member ... Well it's a blown head gasket for sure. After letting the truck sit for a few days I dipped cylinder #3 ...
Rough idle at cold start - Honda Pilot Forums
Possible causes are unevenly worn spark plugs, uneven compression, uneven fuel mixture. The fuel trim is bank by bank (forward vs rear) rather ...
Rough idle on start up. - Audi R8 Forums
Noticing a rough idle on start up, especially on cold starts, last time i went on a good 1 hour spirited drive, let the engine cool for 10 ...
Need help cold start rough idle! | Polaris RZR Forum
I haven't fixed the cold start issue - its a factory tune open loop fueling problem. The colder it gets and the higher in altitude you go, the ...