Subject: | Revised Engine Cranks but Does Not Run Diagnostic |
Models: | 2002-2003 Chevrolet Silverado, Suburban |
| 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 Controls-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).