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2002 Chevrolet Silverado 1500 4.3L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 4/21/2009 17 Replies

Hi everyone,

Vehicle is skipping pretty badly. History misfires show clearly that #4 and 6 are the culprit. I changed plugs and looked at the cap and rotor-looked good. Vacum readings are steady and high. Compression is 175psi on both problem cylinders. I no...

17 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Silverado 1500

VIN 1GCEC14W22
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Silverado 1500

VIN 1GCEC14W22
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected