Fuel - Driveability & No Start Problems Due to Wiring

Number:
92-253-6D

Section:
6D

Date:
AUGUST 1992

Corporate Bulletin No.:
238113

ASE No.:
A8



Subject:
INTERMITTENT ELECTRICAL CONDITIONS


Model and Year:
1992 CORSICA AND BERETTA WITH 3.1L ENGINES



Condition:
Some owners of 1992 "L" cars, with the RPO LHO engine option, may comment that the car exhibits one of more of the following conditions:
- will not start
- surges at times
- stalls when placed in gear
- has "Service Engine Soon" light on
- temperature gauge at cluster inoperative.

Cause:








The engine harness has four wires which are not covered by conduit from a single breakout on the passenger side of the dash, near the MAP bracket (see figure). Wire chaffing may occur, possibly causing some of the conditions listed above.

Correction:
Repair chaffed wiring and cover the following leads with conduit, closing the ends of the conduit with tape to prevent the conduit from falling off. Tape the one end of the conduit to the breakout to prevent conduit "floating." This applies to the engine harness only.

The following leads are involved:
1. Injector connector lead.
2. MAP Sensor connector lead.
3. Water temperature sensor lead.

Labor Operation Number:
N6276

Use applicable labor time guide for labor hours.