WenmarOpen by Wenmar Pro

Service bulletin 021003

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10002539
Published by NHTSA2003-09-05
Manufacturer's number021003
Manufacturer's date2003-02-10
NHTSA componentFUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

NHTSA's summary

AN INCREASE TO THE MILEAGE LIMIT FROM 100,000 TO 200,000 MILES, A NEW MSI ASSEMBLY REPLACEMENT PROCEDURE HAS BEEN ADDED, THE 2001 MODEL YEAR HAS BEEN ADDED TO THE SCPI SPECIAL POLICY ON CERTAIN ST, ML, CK, G, P AND W4NPR TRUCK MODELS. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Fuel system, Fuel injection

Vehicles listed
CHEVROLET C/K
CHEVROLET G SERIES
CHEVROLET M/L
CHEVROLET P SERIES
CHEVROLET S/T SERIES
GMC W4

Listing a model year does not mean every vehicle of it is concerned: the document says which.