× 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
1997 Chevrolet C1500 4.3L Misfire
Posted to GM Driveability on 12/31/2007 23 Replies

Only cylinder #1 is showing any misfires. we did a motorvac, no difference. Current ramp on #1 injector shows max amperage @1.03 amps. smooth wave form and a little flat spot 991us into the pattern. total duration 3.4ms and time at max amps abt 2.0ms. tried to...

23 Replies Received (View Replies)

  Related Documents & Media  1997 Chevrolet C1500

 
Message Closed w/Summary

car Vehicle Data

1997 Chevrolet C1500

VIN 1GCEC14W8W
Engine4.3 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / CPFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

1997 Chevrolet C1500

VIN 1GCEC14W8W
Engine4.3 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / CPFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways, Idle

Trouble Codes

P0300Multiple Misfire Detected