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2003 Chevrolet Silverado 1500 SS 6.0L Hesitation, Poor Fuel Economy
Posted to GM Driveability on 9/23/2022 22 Replies

awd silverado SS 6.0 has low power, poor fuel mileage, transmission is not shifting correctly - at idle the calculated engine load is 2% maf readings look normal 6.5-7.5 grams per second. when driving and go WOT the mass and calculated load slowly stair st...

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  Related Documents & Media  2003 Chevrolet Silverado 1500 SS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 SS

VIN 2GCEK19N33
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / port injection
EmissionsOBD-II Compliant
SymptomsHesitation, Poor Fuel Economy
OccursAlways
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 SS

VIN 2GCEK19N33
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / port injection
EmissionsOBD-II Compliant
SymptomsHesitation, Poor Fuel Economy
OccursAlways