Oil Pressure Sensor Wiring - Intermittent DTC B131
Bulletin 87-8-6Date Nov. '86
Ref. No. 87-026-8
SUBJECT: RECURRING OR INTERMITTENT TROUBLE CODE B131 AND/OR BLOWN FUEL PUMP FUSE
MODELS AFFECTED: 1986-87 RIVIERA
BLOWN FUEL PUMP FUSE:
An intermittent or recurring trouble code B131 and/or blown fuel pump fuse may be experienced on 1986-87 Riviera models. This condition may be caused by the serpentine drive belt contacting the oil pressure sensor/switch wiring harness causing damage to the wires (See Illustration). To correct this condition, repair wiring as necessary and reroute harness to obtain adequate clearance away from serpentine drive belt using a suitable plastic tie strap.