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2011 Buick LaCrosse CXL 3.6L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 3/21/2017 21 Replies

This Buick has been a headache. Used car lot, my boss just sold this car. While we put good mileage on it prior to listing it for sale, it only acted up when somebody went to buy it. Misfired when they started it to test drive. Could not duplicate after that, ...

21 Replies Received (View Replies)

  Related Documents & Media  2011 Buick LaCrosse CXL

 
Message Closed w/FIX

car Vehicle Data

2011 Buick LaCrosse CXL

VIN 1G4GC5ED6B
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / Direct injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursCold, Idle

Trouble Codes

P0300Multiple Misfire Detected
P0303Cylinder 3 Misfire Detected
P0305Cylinder 5 Misfire Detected
P0306Cylinder 6 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2011 Buick LaCrosse CXL

VIN 1G4GC5ED6B
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / Direct injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursCold, Idle

Trouble Codes

P0300Multiple Misfire Detected
P0303Cylinder 3 Misfire Detected
P0305Cylinder 5 Misfire Detected
P0306Cylinder 6 Misfire Detected