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2003 GMC Savana 2500 6.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Posted to GM Driveability on 7/6/2013 21 Replies

Hello Everyone,

Thank you in advance for any help you provide. I have a real problem child here. The truck came in with a misfire, so i checked misfire data and found 6 out of 8 cylinders misfiring and #6 is the worst, pulled plugs and found fouled out. repla...

21 Replies Received (View Replies)

  Related Documents & Media  2003 GMC Savana 2500

 
Message Closed w/FIX

car Vehicle Data

2003 GMC Savana 2500

VIN 1GTGG25U33
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
Misc.Work Van

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 GMC Savana 2500

VIN 1GTGG25U33
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
Misc.Work Van

Trouble Codes

P0300Multiple Misfire Detected