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2008 Chevrolet Impala LS 3.5L Rough on cold start
Posted to GM Driveability on 11/25/2011 30 Replies

After vehicle sits for 4 plus hours it will miss and run rough for a period of 2 to 10 seconds and maybe even stall. It doesn't idle fast either. The feeling from the drivers seat is that of a lean condition. No codes. No miss fires on misfire monitor. Perhaps...

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  Related Documents & Media  2008 Chevrolet Impala LS

 
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Impala LS

VIN 2G1WB58N68
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsRough on Cold Start
OccursCold
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Impala LS

VIN 2G1WB58N68
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsRough on Cold Start
OccursCold