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International Automotive Technicians Network
2003 Chevrolet Silverado 1500 SS 6.0L Hesitation, Misfire
Posted to GM Driveability on 6/1/2011 8 Replies

This vehicle idles rough but the major concern is lack of power, ses on, I have misfires on 2,4,6,8 cylinders heaviest on 6, feels like the exhaust is restricted but the converter temp seems to be about the same side to side, misfire gets very severe under loa...

8 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Silverado 1500 SS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 SS

VIN 2GCEK19N23
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 SS

VIN 2GCEK19N23
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected