K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
Fuel Pressure: Technical Service Bulletins
Driveability - Revised Engine Cranks Won't Run Diagnosis
File In Section: 06 - Engine/Propulsion System
Bulletin No.: 03-06-04-015
Date: February, 2003
SERVICE MANUAL UPDATE
Subject:
Revised Engine Cranks but Does Not Run Diagnostic
Models:
2002-2003 Chevrolet Silverado, Suburban
2002-2003 GMC Sierra with 5.3L Engine (VIN Z - RPO L59)
This bulletin is being issued to add the fuel pressure specification for ethanol in the Engine Cranks but Does Not Run diagnostic in the Engine Control -
4.8L, 5.3L and 6.0L sub-section of the Service Manual.
Please replace the current information in the Service Manual with the following information.
The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin
on the affected page.
The fuel pressure specification for the L59 ethanol engine application has been added to the "Values" column of Step 8 in this diagnostic table. This
specification is 335-375 kPa (48-54 psi).
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