Rough idle on some cold starts
Rough idle on cold start with shaking / surging
I've had rough idling for a couple years, but after hearing engine knocks and a flashing CEL light last week (see previous thread), ...
Rough Idle at Cold Start... - BMW 3-Series (E90 E92) Forum
could be your battery as well, mine was going down and I had the rough idle at cold starts. I suggest you check the batt. voltage before starting the car ...
Rough idle on cold start up | Ford Explorer Forums
When it's cold outside, the rubber o-ring intake gaskets shrink, which causes a lean condition, thus the rough idle. Once the engine starts to ...
Q&A: TROUBLESHOOTING ROUGH IDLE at COLD start -
To save some labor and time I would recommend doing a compression test on the engine, these engines have some known valve leaking issues or ...
Rough idle when cold start - Nissan Pathfinder Forum
Pretty common feature of the direct-injected VQ35DD. If you listen to the exhaust note on a very cold start, the engine will almost sound like a ...
Rough idle at cold start? | Honda CR-V Owners Club Forums
Assuming it is not just some bad fuel... first question.. when you start the engine cold.. what is the idle rpm initially? It should be roughly ...
Rough Idle for 5-10 seconds after cold start (80+ degrees outside)
Last year I had this exact problem. Rough start combined with coolant "leak". The coolant issue is the first thing I noticed. Then the hard ...
Cold rough idle - BMW X5 and X6 Forum (F15/F16)
You need to leave the car at the dealership overnight and have them check for the injector corrections at the cold start. Then replace the ...
help resolve rough idle during cold starts - BMW M5 Forum
The colder it is the rougher it runs during startup, and longer it takes to stabalize. ... I have all new spark plugs, ignition coils, injectors, ...
Rough idle after refueling followed by rough cold start
My mind went to the EVAP purge valve failing but I got no error messages or engine light on. Some days ago, with a full tank, I had a strange ...
Cold Start Rough Idle? How to Diagnose Trouble Codes P050D ...
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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, ...
Occasional rough idle on cold start. - Ford Taurus Forum
I start it some times and for about 15-20 seconds it will idle rough and then run smooth the rest of the day. Idles in park or drive at around 675 rpm.
Rough idle at cold start, then idles fine. Low rpm power... - Bimmerfest
I dug into a Vacuum Pump Gasket Leak causing the majority. Also, check codes sometimes for a Rough start could be failing Ignition coils / Spark ...
Rough idle starting cold engine | GMTNation
This could be the intake manifold gasket. Cold it can shrink, allowing un-metered air in, causing a lean condition.
Cold Start Rough Idle | Chevy Silverado and GMC Sierra Forum
You could be dealing with a caked valve train or clogged injector due to the direct injection....if you changed the spark plugs and wires then ...
Rough Idle on Cold Start - IW STi Forum
In my case the higher RPM is also accompanied by a rough idle, noticeable shaking and louder than normal exhaust with some slight sputtering ...
VERY rough idle at cold start? - NSX Prime
When it is quite cold and you are sitting in the drivers seat at idle it almost reminds me of a failing big end bearing. My car has done this ...
Rough Idle and Heavy White/Grey Smoke After Easy Cold Start
The engine can stall out from this rough idle condition, if I don't work the accelerator pedal. With some working of the accelerator pedal ...
Rough idle during coldstart - BMW 1 Series Coupe ... - Bimmerpost
I've always had the same issue with my 2012 when it comes down from high idle on a cold start. Made these mods around 20k and just hit 100k. Recently did ...