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GM stalled, misfire between 2200 and 3000rpm
23-09-2014, 07:09 AM,
Post: #6
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RE: GM stalled, misfire between 2200 and 3000rpm
(19-09-2014, 15:24 PM)mrriadh Wrote:(19-09-2014, 02:17 AM)chevyjoy Wrote: My friend's car stalled, found the ICM was flaky, had it replaced. Then he began to experience some sluggishness and overall lack of power (no codes yet). He replaced the plugs and wires (AC Delco plugs and Delphi wires) but prior to installing them, cleaned the intake system (3M intake cleaner) and clean the throttle body. After the cleaning and the install, the vehicle started misfiring (P0300) but it eventually smoothed out and became less frequent. He later replaced the coils and the power was restored with the exception of a misfire at around 2500rpms. You are right My friend has a vacuum leak. The culprit is a slight stumble around cylinder #2. (20-09-2014, 03:48 AM)carecar Wrote:(19-09-2014, 15:24 PM)mrriadh Wrote:(19-09-2014, 02:17 AM)chevyjoy Wrote: My friend's car stalled, found the ICM was flaky, had it replaced. Then he began to experience some sluggishness and overall lack of power (no codes yet). He replaced the plugs and wires (AC Delco plugs and Delphi wires) but prior to installing them, cleaned the intake system (3M intake cleaner) and clean the throttle body. After the cleaning and the install, the vehicle started misfiring (P0300) but it eventually smoothed out and became less frequent. He later replaced the coils and the power was restored with the exception of a misfire at around 2500rpms. Thank you but he has already got one. (19-09-2014, 23:02 PM)microqman Wrote:(19-09-2014, 02:17 AM)chevyjoy Wrote: My friend's car stalled, found the ICM was flaky, had it replaced. Then he began to experience some sluggishness and overall lack of power (no codes yet). He replaced the plugs and wires (AC Delco plugs and Delphi wires) but prior to installing them, cleaned the intake system (3M intake cleaner) and clean the throttle body. After the cleaning and the install, the vehicle started misfiring (P0300) but it eventually smoothed out and became less frequent. He later replaced the coils and the power was restored with the exception of a misfire at around 2500rpms. Yes, it is one of the cylinders with the P0300 misfire in the tech2 Thank you all for your help |
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Messages In This Thread |
GM stalled, misfire between 2200 and 3000rpm - by chevyjoy - 19-09-2014, 02:17 AM
RE: GM stalled, misfire between 2200 and 3000rpm - by mrriadh - 19-09-2014, 15:24 PM
RE: GM stalled, misfire between 2200 and 3000rpm - by carecar - 20-09-2014, 03:48 AM
RE: GM stalled, misfire between 2200 and 3000rpm - by chevyjoy - 23-09-2014, 07:09 AM
RE: GM stalled, misfire between 2200 and 3000rpm - by microqman - 19-09-2014, 23:02 PM
RE: GM stalled, misfire between 2200 and 3000rpm - by domdel - 22-09-2014, 22:20 PM
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