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2007 GMC Sierra 1500 Classic SL 4.8L Poor Idle Quality, Cuts out, Stall, Misfire
Posted to GM Driveability on 4/29/2010 9 Replies

Help just had a customer drop off his truck, wont idle and stalls,has misfire on scan tool cyl 1,3 and [...] or 8 but mainly 1&3 assumed cat was plugged pulled 02 was quick and easy ,not the problem, plugs baddly fouled plugs had replaced them first, same symp...

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  Related Documents & Media  2007 GMC Sierra 1500 Classic SL

 
Message Closed w/Summary

car Vehicle Data

2007 GMC Sierra 1500 Classic SL

VIN 1GTEC19V97
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Stall, Misfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2007 GMC Sierra 1500 Classic SL

VIN 1GTEC19V97
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Stall, Misfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected