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2003 Chevrolet Impala 3.4L Misfire, Pops out intake
Posted to GM Driveability on 1/21/2012 62 Replies

Got this car in the shop, misfiring and poping out the intake, was able to narrow it down to cylinder #2 pull the ign wire off and it will stop poping out intake. Performed a compression test on cyl 2 with 140psi result. I swaped the plug and coil with no chan...

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  Related Documents & Media  2003 Chevrolet Impala

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Impala

VIN 2G1WF52E23
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / multiport
EmissionsOBD-II Compliant
SymptomsMisfire, Pops Out Intake
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P1189Throttle Inlet Pressure Sensor Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Impala

VIN 2G1WF52E23
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / multiport
EmissionsOBD-II Compliant
SymptomsMisfire, Pops Out Intake
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P1189Throttle Inlet Pressure Sensor Circuit Low Voltage