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2003 Chevrolet Silverado 1500 4.8L Surge, Misfire
Posted to GM Driveability on 9/18/2009 12 Replies

hi everyone, this truck came in complaining of a misfire. no misfire code present at first. codes p0172, p0175 rich b1, b2. a surging idle that gets worse as it warms up. also surges on acceleration up to about 2000 rpm, then is only felt occasionally at highe...

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  Related Documents & Media  2003 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GCEC19V83
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge, Misfire
OccursUnder Load, on Accel

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 2GCEC19V83
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge, Misfire
OccursUnder Load, on Accel

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected