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2003 GMC Yukon Denali 6.0L Misfire
Posted to GM Driveability on 10/22/2010 10 Replies

came in with poor power complaint test and replaced bank 1 rear o2 sensor , Vehicle ran perfect for 2 days. Customer complained of no power towed in to shop, scaned computer and miss fire was on pass bank 2468 cylinders Good spark , injector pulse with , good ...

10 Replies Received (View Replies)

  Related Documents & Media  2003 GMC Yukon Denali

 
Message Closed w/FIX

car Vehicle Data

2003 GMC Yukon Denali

VIN 1GKEK63U03
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 GMC Yukon Denali

VIN 1GKEK63U03
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected