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1997 Chevrolet Express 1500 5.0L Excessive Emissions, Misfire, MIL Lamp on
Posted to GM Driveability on 6/2/2004 8 Replies

First time customer came in reporting a "miss" and CEL illuminated. Found P0300 recorded.

Ignition scope indicates low secondary demand on cyl #'s 3 & 5. Checked plugs, found Cyl #'s 3 & 5 to be fuel fouled, and although the plugs are worn on all cylinders th...

8 Replies Received (View Replies)

  Related Documents & Media  1997 Chevrolet Express 1500

 
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Express 1500

VIN 1GBFB15M4V
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CSFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Express 1500

VIN 1GBFB15M4V
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CSFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected