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1996 Chevrolet Astro 4.3L Misfire
Posted to GM Driveability on 1/24/2012 33 Replies

Vehicle has a mifire mostly when cold. It happens under acceleration, goes away at speeds over 30 mph when in top gear. Once engine warms up, a very slight miss occasionally, but is almost completley gone. Symptoms seemed to match those for a bad injector asss...

33 Replies Received (View Replies)

  Related Documents & Media  1996 Chevrolet Astro

 
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet Astro

VIN 1GNDM19W1T
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursCold, Under Load, on Accel, Intermittently
Misc.Rwd

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet Astro

VIN 1GNDM19W1T
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursCold, Under Load, on Accel, Intermittently
Misc.Rwd

Trouble Codes

P0300Multiple Misfire Detected