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2007 Chevrolet Silverado 1500 Classic LT 4.8L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 7/29/2014 12 Replies

Gentleman, thanks in advance for any quality input. This work truck {waste Management} came in with no power running very rich with only a code P0300. Fuel pressure is correct, o2's are switching rich/lean on the scanner. we removed o2's to check for exhaust r...

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  Related Documents & Media  2007 Chevrolet Silverado 1500 Classic LT

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Silverado 1500 Classic LT

VIN 1GCEK19V57
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Port injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp On
OccursIntermittently
Misc.Fuel Pressure 61 Psi

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Silverado 1500 Classic LT

VIN 1GCEK19V57
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Port injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp On
OccursIntermittently
Misc.Fuel Pressure 61 Psi

Trouble Codes

P0300Multiple Misfire Detected