Campaign - Low Engine Oil Pressure Warning Malfunction: Overview
SUBJECT LOW ENGINE OIL PRESSURE WARNING NUMBER: 87-C-03DATE: April 6, 1987
MODELS/YEARS 1986 & 1987 TORONADO SECTION: 8C
CONDITION
General Motors has determined that all 1986 and certain 1987 Oldsmobile Toronado models were produced with a low engine oil pressure warning system that could malfunction resulting in an erroneous low engine oil pressure warning to the vehicle driver..
To prevent the possibility of this condition occurring on 1986 models, dealers are to install a new EPROM in the body computer module (BCM), replace the three-terminal oil pressure switch with a new four-terminal oil pressure sensor, inspect the sensor wiring harness connector terminals for corrosion, and clean or replace the terminals if necessary.
To prevent the possibility of this condition occurring on 1987 models, installation of a new EPROM in the body computer module (BCM) is required.
VEHICLES INVOLVED
Involved are all 1986 and certain 1987 Oldsmobile Toronado models within the following VIN breakpoints:
Model
Year Plant Beginning Up To And Including
1986 Hamtramck (U) Start of Production End of Production
1987 Hamtramck (U) Start of Production HU305043
DEALER ACTION
Dealers are to service all vehicles subject to this campaign at no charge to the owner, regardless of mileage, age of vehicle, or ownership, from this time forward.
Whenever a vehicle subject to this campaign is taken into your new or used vehicle inventory, or it is in your dealership for service in the future, you should take the steps necessary to be sure the campaign correction has been made before reselling or releasing the vehicle.
Owners of vehicles recently sold from your new vehicle inventory are to be contacted by the dealer and arrangements made to make the required modification according to instructions contained in this bulletin.