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1999 Chevrolet Astro 4.3L Misfire, MIL Lamp on
Posted to GM Driveability on 2/4/2009 22 Replies

Nagging problem reoccures randomly. Works great each time a cap and rotor are replaced. Symptoms returned anywhere from 2 weeks to 6 months later after cap and rotor replacement. Heavy acceleration has no problem - takes off like a rocket. Light to moderate ac...

22 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Astro

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Astro

VIN 1GNDM19W1X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursCruise, Light to Moderate Accel

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Astro

VIN 1GNDM19W1X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursCruise, Light to Moderate Accel

Trouble Codes

P0300Multiple Misfire Detected