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1991 Buick Park Avenue Questions

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the heater was working only when it wanted to. suspected that there was a short in wiring Last week the heater came on and would not shut off even when the car was turned off. A local repair shop said that there is a battery under hood and it pulled it to shut heater off and that a new module would be need for $420 - this is a 1991 - don't know if he is scamming me or not. How can I find out if this true and how do I find out where this battery is - so I can replace it and pull it if this problem happens again. It only affects the heater. I am 73 years old and feel they were conning me. Charged me $40 just to pull plug which took less than five minutes.
why does the car shut off
My car has slow acceleration it take about 100 feet then picks up speed as normal and i have a check engine light on. I have had many new parts replaced in this car including COMPETE brake syster water pump Crank shaft sensor Serpintine belt AC By pass pulley Break booster battery new computer master cyclinder idel air control value hub assy tie rods needless to say this will be my ;last repair i am hoping im right and it it the Mass Air Flow sensor whats your opions, Sometime when i start it it runs fine until the hceck engine light kicks in and then its back to slow acceleration...please help
The car rides smooth once it's moving but you have to hit the gas really hard to get it moving.
Nothing in the HVAC system is working - no heat, no fan, no A/C. Have replaced A/C control unit in dash and then the passenger A/C control panel in door, but the system is just not responding. The panel (in center dash) is completly black and silent.... We can´t even see the outside temp on the panel.
What to do? Someone suggested to replace the HVAC programmer but, we can´t find one anywhere. GM discontinued it...
try everything new battery, starter
My 1991 Buick Park Avenue cuts of after driving a few miles
What could be the cause
THE CONPUESS ITS WILL NOT INGUE WHEN IT DO INGUE IT DISINGUE RIGHTAWAY
how do I replace the cylinder and what tool do I need
This started happening about 4 days ago. I have to step on the gas and the break to keep the car on. When it just idles it turns off, and also when I start from a complete stop. Please help. Thank so much
hit a bump and vibration started
My ex replaced my original radiator with one from Ecology (the junkyard). Its from a car that looked just like mine, but the difference in the radiator is that it has 3 rows instead of 2(i really dont know what that means,but thats the way my ex described it). It fits good and works really good, but the problem is that now my fans are not turning on! We connected them to the battery and they ran, so according to a general motors manual, it means that the coolant fan switch is defective. The fans worked just fine before he replaced the radiator, so could the problem be the difference in how many rows the radiator has? And the most important question we have is where exactly can we find this coolant fan switch? Again, the manual says its mounted on the intake manifold, near the distributor. Although not a certified mechanic, my ex is very mechanically inclined and has worked on many of my cars as well as his own and others', but e cannot locate this switch for the life of him, so please explain carefully and if not can you direct us on how to get a diagram of where it can be found? It would be extremely appreciated as I have 5 kids, am a single working parent, and am economically challenged(to put it nicely). Thanks again for your help in advance!
P.s. My ex also checked all the fuses and they are all good.
where is the fuel pump located on a 1991 Park Avenue 4 door
low beams won,t come on and parking lights stay on I was told the low high beam switch is bad need to know how to remove lower dash without breaking it. Thankyou
we have put new fuses in, wanted to check other things first if possible before putting in shop.can anyone help
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