1990 Buick LeSabre Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Buick LeSabre
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
1990 Buick LeSabre ProblemsCar Won't Start Because of Anti-Theft System That Uses Raised-Chip Key
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.
The anti-lock brake (ABS) accumulator may fail causing loss of power brake assist. (The brake pedal will become very hard.)
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...