1992 Buick LeSabre Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1992 Buick LeSabre

The mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently. Proper diagnoses will be necessary to determine the cause of any stalling condition.

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

The intake manifold gasket can develop external engine oil leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue.

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I had a repair shop replace the crankshaft position sensor,but it still quits running without any notice while driving it! What else could cause this problem?

Security light blinking and car will start by starter and go right back dead

crank shaft, ECM already replaced. Car ran great for a year. Engine sounds fantastic..no pinging or hesitation. Then, without warning it will act like its choking out, stalls, etc. Come back in a couple hours, will start and run like a dream again. ?????? backfired once.

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VEHICLE DESCRIPTION: PASSENGER VEHICLES MANUFACTURED FROM AUGUST 1991 THROUGH JULY 1995. THE TRANSMISSION OIL COOLER LINE CAN SEPARATE WHEN THE VEHICLE IS OPERATED IN LOW TEMPERATURES IN COMBINATION WITH HIGH TRANSMISSION LOADS.WHEN APPLIED, THE PARKING BRAKE LEVER ASSEMBLY MAY RELEASE ONE OR MORE TEETH, REDUCING THE CABLE LOAD TO THE REAR BRAKES.

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