SURGING WITH SES LIGHT OR FUSE 9 BLOWN - REPL. EGR WIRE

SUBJECT: SURGING WITH SERVICE ENGINE SOON LIGHT OR FUSE 9 BLOWN

MODEL and YEAR: 1992 CORSICA AND BERETTA WITH 3.1L ENGINE

APPLICATION: 1992 Chevrolet "L" car equipped with 3.1L (RPO LHO) V6 VIN T Engine built prior to the following VIN number: NY211538

Condition

Some owners of 1992 Chevrolet "L" vehicles may experience slight engine surge along with Service Engine Soon light (Code 32), or may have Fuse 9 blown.

Cause

The EGR wiring route may be too close to the ECR valve assembly tube, causing a wiring melt-down.

Correction

Any vehicles experiencing the above condition should follow the following repair procedure:

1) Repair EGR branch wires as needed - refer to the 1992 L-car Service Manual for proper repair procedures.

2) Re-route EGR branch wiring harness lead over and behind other sensor leads and connect to EGR solenoid. See attached illustration.

Labor Operation Number: N-6276

Use applicable labor time guide for labor hours.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.