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2004 GMC Savana 3500 6.0L Poor Idle Quality, Cuts out, Misfire
Posted to GM Driveability on 10/26/2017 9 Replies

Got this box truck with a complaint of intermittent hesitation and or cut out. Vehicle has code P0300, but "Check Engine" light isn't on. Misfire data shows multiple misfires on right bank, with cylinder 6 being the worst. I swapped the coil and wire with anot...

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  Related Documents & Media  2004 GMC Savana 3500

 
Message Closed w/FIX

car Vehicle Data

2004 GMC Savana 3500

VIN 1GDHG31U34
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursHot, Under Load, Idle, Intermittently

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2004 GMC Savana 3500

VIN 1GDHG31U34
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursHot, Under Load, Idle, Intermittently

Trouble Codes

P0300Multiple Misfire Detected