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2007 Hummer H2 6.0L Poor Idle Quality
Posted to GM Driveability on 7/29/2014 3 Replies

This vehicle came in for a bunch of suspension work and a check engine light. Retrieved P0101 MAF circuit and Cat codes for both banks. First of all the vehicle has an aftermarket K and N style filter, exhaust headers, and aftermarket exhaust from engine back ...

3 Replies Received (View Replies)

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car Vehicle Data

2007 Hummer H2

VIN 5GRGN23U97
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

2007 Hummer H2

VIN 5GRGN23U97
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected