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2003 Chevrolet Astro 4.3L Misfire
Posted to GM Driveability on 1/16/2007 26 Replies

Ok guys i got one i can`t get rid of. this astro seems to drop a cylinder every once in a while at idle & seems to misfire under a light load at cruise speed. i have had my genesis hooked to it when it drops a cylinder & misfire under a load but it so slight i...

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  Related Documents & Media  2003 Chevrolet Astro

 
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car Vehicle Data

2003 Chevrolet Astro

VIN 1GNDM19X43
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, Cruise, Idle
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Astro

VIN 1GNDM19X43
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, Cruise, Idle