1990 Buick LeSabre Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Buick LeSabre
Never overpay. Check prices with our estimator
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
1990 Buick LeSabre ProblemsImproper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator
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.
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...