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2003 Chevrolet Astro 4.3L Misfire, MIL Lamp on
Posted to GM Driveability on 8/7/2018 18 Replies

Check engine light blinking on excel, engine is not missing, missfire data shows cyl 2&5 most of the time or 1&4 and some times random cylinder but 2&5 both climb most of the time. New engine all tune up stuff new, tried new distributor, crank sensor, have...

18 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Astro

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Astro

VIN 1GCDL19X73
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / spider injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursHot, on Accel
Misc.Not Sure if Mileage Is Correct, Just Installed Jasper Engine

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Astro

VIN 1GCDL19X73
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / spider injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursHot, on Accel
Misc.Not Sure if Mileage Is Correct, Just Installed Jasper Engine

Trouble Codes

P0300Multiple Misfire Detected