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2003 Hummer H2 6.0L Poor Idle Quality, Cuts out, Stall, MIL Lamp on
Posted to GM Driveability on 10/13/2014 9 Replies

Hello Techs, I need some help with this H2. Vehicle has a power loss issue that can be reproduced in the shop by putting the vehicle in park and accelerating up to about 3k rpm the CEL illuminates and reduced power shows on display. The code is always a p1514 ...

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  Related Documents & Media  2003 Hummer H2

 
Message Closed w/FIX

car Vehicle Data

2003 Hummer H2

VIN 5GRGN23U13
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / p1514, p101
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Stall, MIL Lamp On
OccursAlways, Under Load, on Accel
Misc.P1514, P0102

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P1514Throttle Body Performance
Message Closed w/FIX

car Vehicle Data

2003 Hummer H2

VIN 5GRGN23U13
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / p1514, p101
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Stall, MIL Lamp On
OccursAlways, Under Load, on Accel
Misc.P1514, P0102

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P1514Throttle Body Performance