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2009 GMC Acadia SLT 3.6L Excessive Emissions, Misfire, MIL Lamp on
Posted to GM Driveability on 10/10/2015 28 Replies

7 months ago it had a misfire on cyl. #1 I replaced the coil and spark plug and all was good till now. This time it had P0300, P0301 plus P0303 and P0305 in history and a rich code for the H02S B1 S1 (MV) 700 plus all the time but got higher as it warmed up.I ...

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  Related Documents & Media  2009 GMC Acadia SLT

 
Message Closed w/FIX

car Vehicle Data

2009 GMC Acadia SLT

VIN 1GKER23D79
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Misfire, MIL Lamp On
OccursCold, Hot

Trouble Codes

P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
P0303Cylinder 3 Misfire Detected
P0305Cylinder 5 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2009 GMC Acadia SLT

VIN 1GKER23D79
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Misfire, MIL Lamp On
OccursCold, Hot

Trouble Codes

P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
P0303Cylinder 3 Misfire Detected
P0305Cylinder 5 Misfire Detected