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2000 Chevrolet Silverado 1500 4.3L Misfire, MIL Lamp on
Posted to GM Driveability on 6/22/2010 8 Replies

Techs,

Inherrited this vehicle from aonther shop. New fuel and ignition parts everwere. Vortec 4.3 V6 in a C/K pickup application. Runs perfect unless you are cruising down a slight hill. Downhill only. You can feel it get rough and watch the Tech 2 missfire ...

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car Vehicle Data

2000 Chevrolet Silverado 1500

VIN 1GCEK14WXY
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways, Cruise, Downhill Only
Misc.V6

Trouble Codes

P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

2000 Chevrolet Silverado 1500

VIN 1GCEK14WXY
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways, Cruise, Downhill Only
Misc.V6

Trouble Codes

P0300Multiple Misfire Detected