× 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 2500 HD 6.6L Poor Idle Quality, loud tap/knock
Posted to GM Driveability on 11/22/2010 15 Replies

veh. had a bad injector (the balance rates were out of spec.)replaced all eight injectors and changed the fuel [...] new block heater in the old one was [...] coolant and changed the oil and [...] the fuel [...] three attempts it started ran ok but has an loud...

15 Replies Received (View Replies)

  Related Documents & Media  2001 Chevrolet Silverado 2500 HD

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 2500 HD

VIN 1GCHK29151
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Loud Tap/Knock
OccursAlways
Misc.6.6 Duramax
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 2500 HD

VIN 1GCHK29151
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Loud Tap/Knock
OccursAlways
Misc.6.6 Duramax