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2003 Chevrolet Astro 4.3L Cuts out, Stall, Misfire, MIL Lamp on
Posted to GM Driveability on 6/29/2007 23 Replies

this is a long post and a weird problem.. loss of power at 60 mph. cant go over 67mph. vehicle has sporatic misfires under moderate load (after wot) and mostly on cyl #2! also has occasional mis under heavy load at max speed around 60mph! the vehicle actually ...

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  Related Documents & Media  2003 Chevrolet Astro

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Astro

VIN 1GNDM19X63
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsOBD-II Compliant
SymptomsCuts Out, Stall, Misfire, MIL Lamp On
OccursUnder Load, on Accel
Misc.Rwd

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Astro

VIN 1GNDM19X63
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsOBD-II Compliant
SymptomsCuts Out, Stall, Misfire, MIL Lamp On
OccursUnder Load, on Accel
Misc.Rwd

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected