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2009 Chevrolet Impala LTZ 3.9L Stall, Misfire, MIL Lamp on
Posted to GM Driveability on 12/31/2014 23 Replies

This car is very hard to start, must hold accelerator to floor to get it started. Once started it will not idle, will only continue to run if you work the accelerator. Scanner shows misfires on 4 cylinders, two being much worse. Cannot get accurate scanner rea...

23 Replies Received (View Replies)

  Related Documents & Media  2009 Chevrolet Impala LTZ

 
Message Closed w/Summary

car Vehicle Data

2009 Chevrolet Impala LTZ

VIN 2G1WU57M89
Engine3.9 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsStall, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2009 Chevrolet Impala LTZ

VIN 2G1WU57M89
Engine3.9 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsStall, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected