Question about 1991 Buick Park Avenue

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1991 buick park ave 3.8

My car starts just fine, runs for maybe 2 seconds then dies. Ive checked fuel pressure at rail, seems fine. help....

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Reset the alarm/immobiliser.

Posted on Jul 12, 2010

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1991 buick park ave. missing at highway speed, tach revs up to 3000 rpm instead of usual 2200 sometimes dies at take off and then runs like normal for a while


It seems that correct amount of fuel is not being supplied to the engine. Most probably the fuel nozzles have accumulated some dirt. Try spraying some carb cleaner into the air intake assembly when the engine is idling. This ought to mix with the air-fuel mixture being injected into the cylinders and if the nozzles are narrowed, should clean them up.

Nov 11, 2010 | 1991 Buick Park Avenue

2 Answers

1991 buick park avenue with a 3800 series 1 sudenly has no spark to plugs. It has brand new spark plugs, spark plug wires, coil pack, alternator, fuel pressure regulator, fuel filter, serpentine belt, pcv...


ive had this problem before and it was a small wire on the ignition key cylinder that had broken but we fixed it by buying a new cylinder and wire

Apr 06, 2010 | 1991 Buick Park Avenue

1 Answer

1991 Buick Park Avenue Ultra dies while driving. replaced crank sensor, coil pack wiring harness. oil pressure guage flies back & forth


It is most likely a sensor. It is common in these. You may check them with an ohmmeter.
You may also test relays the same way.

A vehicle needs gas and spark to run. One of them is not getting to motor. You can check fuel pressure on test port on fuel rail for fuel.
You can pull off a spark plug, plug it back into wire, lay it on top of motor, have someone else crank, while you watch for spark, Put back in, move to next plug wire.

Nov 08, 2009 | 1991 Buick Park Avenue

2 Answers

1991 BUICK PARK AVE. 3800 SERIES


I would seriously have a cat put back on you need that back pressure and have the O2 sensors replaced. Sounds like it may be time for a major tune up

Jul 10, 2009 | 1991 Buick Park Avenue

1 Answer

I can not find the neutral safety switch on a 2000 buick park ave


Any chance your vehicles have a security/alarm system. Disconnecting battery on some, will arm it sometimes & not allow it to run. Using key to unlock door, on driver & passenger side have been known to work on some vehicles, but if not, a call to dealer should help.

May 31, 2009 | 2000 Buick Park Avenue

1 Answer

How do you check the fuel presure on a 1991 buick park ave?


You will need a fuel pressure gage that you can purchase any Auto parts store. The schradder valve is on the fuel rail. You may have to remove the plastic cover which should consist of a 10 mm wrench to access the valve. 37psi would be a good number to have...good luck.

Mar 17, 2009 | 1991 Buick Park Avenue

1 Answer

1991 buick park ave was running rough,changed front fuel filter.


I will need to have a little more information...does it turn over...and if it does...does it seem to be turning over faster than normal since that could indicate a timing chain problem.

Mar 13, 2009 | 1991 Buick Park Avenue

2 Answers

Will start then dies


On the regals they have a ceramic resistor on the passanger side under the fender. It heats up and over time it tends to brake and the wire inside tends to rust away. The fuel pumps run in 2 different speeds. Had the same problem. Dealer only part yet the car would run and you would think it was the fuel pump. Turn the key it kicks on then start and dies out. Ceramic on the pass side would need replaced. It is white about 2-3 inches long or so held on with 2 bolts i do believe. Ill find a bulliten i found online to help me diagnos the problem. :) hopefully this helps someone out instead of spendin $$$ that ya cant afford with the recession eh?

Mar 07, 2009 | 1998 Buick Century

1 Answer

I can not find the neutral safety switch on a 2000 buick park ave


Sounds like passlock security failure.Park neatral swith located at top af transmission where shifter cable connects to trans,should be on drivers side.

Mar 03, 2009 | 2000 Buick Park Avenue

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