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2003 Chevrolet Avalanche 1500 North Face 5.3L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy
Posted to GM Driveability on 5/22/2006 9 Replies

Hello to all. The problem I'm struggling with is an 03 Chevy Avalanche with the 5.3L V8. The truck came in with the complaint of a misfire and running sluggish. After road testing I scanned the computer and found a P0300. I went a step further and found that t...

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  Related Documents & Media  2003 Chevrolet Avalanche 1500 North Face

 
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Avalanche 1500 North Face

VIN 3GNEK13T23
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Misfire, Poor Fuel Economy
OccursHot, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Avalanche 1500 North Face

VIN 3GNEK13T23
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Misfire, Poor Fuel Economy
OccursHot, Idle

Trouble Codes

P0300Multiple Misfire Detected