1990 Buick LeSabre Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Buick LeSabre
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1990 Buick LeSabre ProblemsEngine Stalling Due to Mass Air Flow/Crankshaft Position Sensor Failure
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.
Problems with the anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The the key and ignition lock cylinder must be replaced to correct this condition.
1990 Buick LeSabre Questionslocation of gas filter (2 answers)
changed cam and crank sensor and igniter under coil pack. still no spark
It started yesterday I was sitting in idle and it died since then havnt got it to run more than 5 mins and can't even do that without constantly giving it gas I've check fuel filter fuel pump and relays I've heard mybe check the crankshaft sensor need to check fuel regulator anymore i...