20 Most Recent 1991 Buick Park Avenue - Page 6 Questions & Answers

Is the check engine light on ?Has anyone checked the fuel pressure cold and hot ?

You need to have the thermostat checked. if it's not the thermostat, its your heater core.

Spray some ether in the throttle body...you will have to remove the air intake hose going in...then attempt to start it. If it doesn't start then, we at least know that it isn't a fuel problem, but then you can tell us what you tried and it did or didn't work and we might be able to go from there.

unpluge wire remove bolts holding it on replace

replace sunroof motor

No such thing as a brain box.never has beenBehind the glove box

refill before it sucks air

check idle air control valve ok let me know or tps sensor

It will not hurt the car engine if there is no oil in it as long as it is not started with no oil in it. In most cases the engine can run about 1-2 quarts low and still be ok but that is not recommended. The engine should never be run with the engine oil light on or oil pressure gage extemely low.

It could be the cam or crank sensors. Both use magnets.I would recommend you have the code(s) pulled again and research them online or on this website.

probably need to replace the battery cable going to starter, poss corrosion on inside of cable, not allowing enough juice to reach the starter

you mean why doesnt it blow cold air most likey your blower motor is out and there is a litttle chip behind it call the blower motor resistor change that to if your gonna get a new blower motor

If it is on the rear view mirror, it adjusts the brightness of headlights behind you.

Someone will need to find out if you are dealing with a no spark or no fuel pressure problem to proceed.