Fuel System - Low Power/Hesitation/Stalling

Bulletin No.: 04-06-04-009

Date: March 08, 2004

TECHNICAL

Subject:
Reduced Power, Intermittent Hesitation, Stall in High Altitude/High Ambient Temperatures (Replace Fuel Sender (Module) Assembly)

Models:
2003 Chevrolet Express Van
2003 GMC Savana Van
with V8 Gas Engine (VINs V, T, U - RPOs LR4, LM7, LQ4)

Condition

Some customers may comment on reduced power/hesitation/stall while driving at high altitude with warm ambient temperatures usually above 27°C (80°F).

Correction

Important:
When removing fuel tank strap bolts, DO NOT use air tools. Using air tools may cause the retaining clip nut to spin preventing removal of strap bolt.

Replace the fuel tank sender (module) assembly. Refer to the Fuel Sender Assembly Replacement procedure in the Engine Controls sub-section of the Service Manual. Use the part numbers listed below.





Parts Information

Parts are expected to be available March 8, 2004 from GMSPO.

Warranty Information





For vehicles repaired under warranty, use the table.





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