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2005 Chevrolet Silverado 1500 4.3L Misfire
Posted to GM Driveability on 12/13/2011 22 Replies

This truck idles fine. above idle #4 cylinder will misfire. I can hook up a spark tester on 4 and watch the spark get weak and then will quit firing altogeather. under a snap throttle it will not misfire or on decel it fires always. I have tried this spark tes...

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  Related Documents & Media  2005 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Silverado 1500

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursCruise

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Silverado 1500

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursCruise

Trouble Codes

P0300Multiple Misfire Detected