× 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
2007 Chevrolet Tahoe LTZ 5.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Posted to GM Driveability on 1/13/2013 19 Replies

Vehicle came in with a dead miss. Only had P0300 set - misfire data shows constant misfires on #1 and frequent misfires on #8 all other cylinders are ok. I pulled the #1 spark plug and it was soaked with fuel as was #8. I tested both coils for Kv output with m...

19 Replies Received (View Replies)

  Related Documents & Media  2007 Chevrolet Tahoe LTZ

 
Message Closed w/Summary

car Vehicle Data

2007 Chevrolet Tahoe LTZ

VIN 1GNFK13067
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Flex fuel
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2007 Chevrolet Tahoe LTZ

VIN 1GNFK13067
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Flex fuel
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected