FUEL GAGE READS INCORRECTLY POSSIBLE CAUSES AND CORRECTION

Model and Year: 1987 BERETTA, CORSICA WITH 2.8L M.P.F.I. ENGINE

Comments regarding 5-9 gallons of fuel remaining in the fuel tank when the fuel gage reads empty have been received on some early built 1987 2.8L MPFI (LB6) equipped corsicas with RPO U21 (gage package) and Berettas with the base gage package.

These comments may be attributable in part to operator inability to accurately interpret fuel gage reading due to gage graphics and usage of a short gage pointer (Figure 1), and/or an inaccurate fuel tank sending unit. Vehicles that have been noted as exhibiting this concern may be repaired by following the steps below and applicable shop manual procedures.

1. Send gage cluster assembly to authorized A.C. Delco Service Center for pointer replacement (longer pointer) and recalibration (Ref. A.C. Delco Service Bulletin 87-CH-L-01).

2. Install fuel tank sender assembly, P/N 25091401, that incorporates usage of a new float that reduces empty reserve to one gallon on 2.8L M.P.F.I. (RPO LB6) engines.

Use applicable labor operations and time.

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.