× 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
1999 GMC Yukon SLT 5.7L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 5/9/2013 31 Replies

Vehicle came in shop with p0302, rough idle. Scoped #2 it seemed to have a short burn time. Installed new plug,new wire and cap same issue. Did a injector power balance with tech 2 all injectors same result. Did a relative compression test showed #2 low,checke...

31 Replies Received (View Replies)

  Related Documents & Media  1999 GMC Yukon SLT

 
Message Closed w/Summary

car Vehicle Data

1999 GMC Yukon SLT

VIN 1GKEK13R5X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MULTI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0302Cylinder 2 Misfire Detected
Message Closed w/Summary

car Vehicle Data

1999 GMC Yukon SLT

VIN 1GKEK13R5X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MULTI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0302Cylinder 2 Misfire Detected