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1999 Chevrolet W3500 Tiltmaster W3S042 5.7L Misfire, MIL Lamp on
Posted to GM Driveability on 4/8/2013 15 Replies

This is a comeback: originally came in for MIL on and failed emissions test. Had code P0303. checked spark plugs, wires, dist cap and rotor. Cap and rotor burned, plugs eroded electrodes,I changed them all. Checked Cam offset-- it was at -43 degrees yet it ran...

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  Related Documents & Media  1999 Chevrolet W3500 Tiltmaster W3S042

 
Message Closed w/Summary

car Vehicle Data

1999 Chevrolet W3500 Tiltmaster W3S042

VIN 5CGCP41R2X
Engine5.7 L / 8 cyl / GAS
DeliveryFuel Injection / Vortec Poppet Injectors
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursOnly Between 1500 and 2500Rpm in Park or Neutral Gears

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

1999 Chevrolet W3500 Tiltmaster W3S042

VIN 5CGCP41R2X
Engine5.7 L / 8 cyl / GAS
DeliveryFuel Injection / Vortec Poppet Injectors
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursOnly Between 1500 and 2500Rpm in Park or Neutral Gears

Trouble Codes

P0300Multiple Misfire Detected