× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2003 Chevrolet Silverado 1500 4.3L Misfire, MIL Lamp on
Posted to GM Driveability on 7/25/2013 15 Replies

hello thanks for any help I have a 03 chevy 1500 pickup with 4.3l engine this thing is misfiring on hard acceleration ive ruled out the maf sensor ignition coil ignition module distributor distributor cap plugs and wires fuel injectors cats fuel pressure while...

15 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Silverado 1500

 
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 1GCEC14X93
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load, on Accel
Misc.Base

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 1GCEC14X93
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load, on Accel
Misc.Base

Trouble Codes

P0300Multiple Misfire Detected