× 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
2001 Chevrolet Silverado 1500 4.3L Poor Idle Quality, Misfire, SPARK KNOCK/PINGING
Posted to GM Driveability on 12/29/2009 24 Replies

Hey everyone, i have a tough one on my hands. Customer brought this thing in this morning stating that it started misfiring yesterday and that the check engine lamp came on. No major details just that. I started the vehicle and it was knocking violently like a...

24 Replies Received (View Replies)

  Related Documents & Media  2001 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 1500

VIN 2GCEC19W81
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Spark Knock/Pinging
OccursCold, Under Load, Idle, Knock Goes Away After Running for Awhile

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 1500

VIN 2GCEC19W81
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Spark Knock/Pinging
OccursCold, Under Load, Idle, Knock Goes Away After Running for Awhile

Trouble Codes

P0300Multiple Misfire Detected