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2006 Chevrolet Impala LS 3.5L Misfire
Posted to GM Driveability on 11/16/2012 9 Replies

car has intermittent miss on cyl 2, sometimes 5. Changed plugs,wires, coil pack, no change. pulled upper intake swapped injector to cyl 4, no change. checked ex backpressure with guage, no restriction. ran with o2 out also, still no change. fuel press good. wi...

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  Related Documents & Media  2006 Chevrolet Impala LS

 
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Impala LS

VIN 2G1WB58K66
Engine3.5 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Impala LS

VIN 2G1WB58K66
Engine3.5 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected