Bulletin Information

Bulletin Title: #PIP3470A - Light Throttle Chuggle Hesitation And/Or Misfire - Possible Reversed Injector Nozzles - (Feb 9, 2009)
Bulletin Type: Preliminary Information
Applies To: Engine Controls

Applicable Vehicles

2000 GMC Truck Yukon XL - 4WD
2000 GMC Truck Yukon XL - 2WD
2000 GMC Truck Yukon Denali
2000 GMC Truck Yukon - 4WD
2000 GMC Truck Yukon - 2WD
2000 GMC Truck Sonoma Pickup - 4WD
2000 GMC Truck Sonoma Pickup - 2WD
2000 GMC Truck Savana - 2WD
2000 GMC Truck Safari - 4WD
2000 GMC Truck Safari - 2WD
2000 GMC Truck Jimmy - 4WD
2000 GMC Truck Jimmy - 2WD
2000 GMC Truck GMC K Sierra - 4WD
2000 GMC Truck GMC K Pickup - 4WD
2000 GMC Truck GMC C Sierra - 2WD
2000 GMC Truck GMC C Pickup - 2WD
2000 Chevrolet Tahoe Z71
2000 Chevrolet Tahoe Limited
2000 Chevrolet Tahoe - 4WD
2000 Chevrolet Tahoe - 2WD
2000 Chevrolet Suburban - 4WD
2000 Chevrolet Suburban - 2WD
2000 Chevrolet S10 Pickup - 4WD
2000 Chevrolet S10 Pickup - 2WD
2000 Chevrolet K Silverado - 4WD
2000 Chevrolet K Pickup - 4WD
2000 Chevrolet Express - 2WD
2000 Chevrolet C Silverado - 2WD
2000 Chevrolet C Pickup - 2WD
2000 Chevrolet Blazer - 4WD
2000 Chevrolet Blazer - 2WD
2000 Chevrolet Astro - 4WD
2000 Chevrolet Astro - 2WD
1999 GMC Truck Yukon - 4WD
1999 GMC Truck Yukon - 2WD
1999 GMC Truck Sonoma Pickup - 4WD
1999 GMC Truck Sonoma Pickup - 2WD
1999 GMC Truck Savana - 2WD
1999 GMC Truck Safari - 4WD
1999 GMC Truck Safari - 2WD
1999 GMC Truck Jimmy - 4WD
1999 GMC Truck Jimmy - 2WD
1999 GMC Truck GMC Suburban - 4WD
1999 GMC Truck GMC Suburban - 2WD
1999 GMC Truck GMC K Sierra - 4WD
1999 GMC Truck GMC K Pickup - 4WD
1999 GMC Truck GMC C Sierra - 2WD
1999 GMC Truck GMC C Pickup - 2WD
1999 Chevrolet Tahoe - 4WD
1999 Chevrolet Tahoe - 2WD
1999 Chevrolet Suburban - 4WD
1999 Chevrolet Suburban - 2WD
1999 Chevrolet S10 Pickup - 4WD
1999 Chevrolet S10 Pickup - 2WD
1999 Chevrolet K Silverado - 4WD
1999 Chevrolet K Pickup - 4WD
1999 Chevrolet Express - 2WD
1999 Chevrolet C Silverado - 2WD
1999 Chevrolet C Pickup - 2WD
1999 Chevrolet Blazer - 4WD
1999 Chevrolet Blazer - 2WD
1999 Chevrolet Astro - 4WD
1999 Chevrolet Astro - 2WD
1998 GMC Truck Yukon - 4WD
1998 GMC Truck Yukon - 2WD
1998 GMC Truck Sonoma Pickup - 4WD
1998 GMC Truck Sonoma Pickup - 2WD
1998 GMC Truck Savana - 2WD
1998 GMC Truck Safari - 4WD
1998 GMC Truck Safari - 2WD
1998 GMC Truck Jimmy - 4WD
1998 GMC Truck Jimmy - 2WD
1998 GMC Truck GMC Suburban - 4WD
1998 GMC Truck GMC Suburban - 2WD
1998 GMC Truck GMC K Pickup - 4WD
1998 GMC Truck GMC C Pickup - 2WD
1998 Chevrolet Tahoe - 4WD
1998 Chevrolet Tahoe - 2WD
1998 Chevrolet Suburban - 4WD
1998 Chevrolet Suburban - 2WD
1998 Chevrolet S10 Pickup - 4WD
1998 Chevrolet S10 Pickup - 2WD
1998 Chevrolet K Pickup - 4WD
1998 Chevrolet Express - 2WD
1998 Chevrolet C Pickup - 2WD
1998 Chevrolet Blazer - 4WD
1998 Chevrolet Blazer - 2WD
1998 Chevrolet Astro - 4WD
1998 Chevrolet Astro - 2WD
1997 GMC Truck Yukon - 4WD
1997 GMC Truck Yukon - 2WD
1997 GMC Truck Sonoma Pickup - 4WD
1997 GMC Truck Sonoma Pickup - 2WD
1997 GMC Truck Savana - 2WD
1997 GMC Truck Safari - 4WD
1997 GMC Truck Safari - 2WD
1997 GMC Truck Jimmy - 4WD
1997 GMC Truck Jimmy - 2WD
1997 GMC Truck GMC Suburban - 4WD
1997 GMC Truck GMC Suburban - 2WD
1997 GMC Truck GMC K Pickup - 4WD
1997 GMC Truck GMC C Pickup - 2WD
1997 Chevrolet Tahoe - 4WD
1997 Chevrolet Tahoe - 2WD
1997 Chevrolet Suburban - 4WD
1997 Chevrolet Suburban - 2WD
1997 Chevrolet S10 Pickup - 4WD
1997 Chevrolet S10 Pickup - 2WD
1997 Chevrolet K Pickup - 4WD
1997 Chevrolet Express - 2WD
1997 Chevrolet C Pickup - 2WD
1997 Chevrolet Blazer - 4WD
1997 Chevrolet Blazer - 2WD
1997 Chevrolet Astro - 4WD
1997 Chevrolet Astro - 2WD
1996 GMC Truck Yukon - 4WD
1996 GMC Truck Yukon - 2WD
1996 GMC Truck Sonoma Pickup - 4WD
1996 GMC Truck Sonoma Pickup - 2WD
1996 GMC Truck Safari - 4WD
1996 GMC Truck Safari - 2WD
1996 GMC Truck Jimmy - 4WD
1996 GMC Truck Jimmy - 2WD
1996 GMC Truck GMC Suburban - 4WD
1996 GMC Truck GMC Suburban - 2WD
1996 GMC Truck GMC K Pickup - 4WD
1996 GMC Truck GMC C Pickup - 2WD
1996 Chevrolet Tahoe - 4WD
1996 Chevrolet Tahoe - 2WD
1996 Chevrolet Suburban - 4WD
1996 Chevrolet Suburban - 2WD
1996 Chevrolet S10 Pickup - 4WD
1996 Chevrolet S10 Pickup - 2WD
1996 Chevrolet K Pickup - 4WD
1996 Chevrolet C Pickup - 2WD
1996 Chevrolet Blazer - 4WD
1996 Chevrolet Blazer - 2WD
1996 Chevrolet Astro - 4WD
1996 Chevrolet Astro - 2WD

#PIP3470A - Light Throttle Chuggle Hesitation And/Or Misfire - Possible Reversed Injector Nozzles - (Feb 9, 2009)

Subject:
Light Throttle Chuggle, Hesitation, and/or Misfire - Possible Reversed Injector Nozzles
Models:
1996-2000 Chevrolet Astro, Blazer, C/K Pickup, Express, S10, Silverado, Suburban, Tahoe
1996-2000 GMC C/K Pickup, Jimmy, Safari, Savana, Sierra, Sonoma, Suburban, Yukon
with 4.3L, 5.0...

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Document Title: #PIP3470A - Light Throttle Chuggle Hesitation And/Or Misfire - Possible Reversed Injector Nozzles - (Feb 9, 2009)

chuggle

misfire

reversed

injector

nozzles

engine

tech

cylinder

test

fuel

condition

concern

occur

reversed fuel

fuel injector

reversed fuel injector

fuel injector nozzles

recent engine repairs

fuel injector metering

injector metering block