× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2003 Hummer H2 6.0L Misfire, MIL Lamp on
Posted to GM Driveability on 1/3/2006 3 Replies

customer stated engine miss and loud knocking check engine lite is on when i got the car and started it up there was a verry loud knocking that sounded like it was comming from the bell housing area checked for missing torque converter bolts all were tight noi...

3 Replies Received (View Replies)

  Related Documents & Media  2003 Hummer H2

 
Message Closed w/FIX

car Vehicle Data

2003 Hummer H2

VIN 5GRGN23U93
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Hummer H2

VIN 5GRGN23U93
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected