Question about 1991 Buick Park Avenue

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1991 buick park ave is running rough. when its idling, makes popping sounds,lack of power. cant hear any vacuum leaks. ?? timing,

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Could have a severe misfire. start with a tune up (plugs and wires)

Posted on Apr 30, 2010

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Have a 91 park ave when i rev up the motor it makes a popping sound whats wrong with it?


Sounds like the timing needs adjusting and/or the fuel mixture control. Make sure you have clean air and fuel filters in first.

Apr 06, 2011 | 1991 Buick Park Avenue

1 Answer

My car start and run but then it turns off in park and the enguie shakes and I hear air from air filter that's loud I have check it and it tight idle rough


HI, YOU HAVE A BAD VACUUM LEAK, LOOK FOR BROKEN OR MISSING HOSE, TRY TO LISTEN UP CLOSE TO PINPIONT SOUND, YOU CAN TAKE A PAPER TOWEL TUBE AND USE IT LIKE A STETHOSCOPE. HOPE THIS HELPED. MOTOR62500...

Dec 23, 2010 | 2000 Buick LeSabre

1 Answer

1991 Ford Thunderbird with a 3.8 V6 Started out running rough cold, like it was missing. Tuned it up, cleaned the injectors and throttle body. Running got more rough and at low idle. Found intake...


I think your car has a 7th injector called a cold start injector. Takes the place of a choke. If it does check n make sure it's working properly. That's all I can think of at this time. Hope it helps. Also sounds like you still have a pretty bad vacuum leak. Listen for hiss at idle. Good luck

Oct 05, 2010 | 1991 Ford Thunderbird

1 Answer

94 buick park ave hard start, wont stay running, lack of power


change the temp sensor on the thermostat housing, i had a problem like that on one once it fixed the problem right up.

Feb 05, 2010 | 1994 Buick Park Avenue

3 Answers

1988 buick reatta runs rough for awhile lacks power and dies


think electrical 1st -the weakest link-bet u havnt had tuneup since yr 1000-inspect plug wires for wear n take off dist cap n look inside-scarry!--of course chec fuel system also in gas tank area

Sep 03, 2009 | 1988 Buick Reatta

1 Answer

Rough idle and hi idle


check for vacuum leak. Has someone changed the pcv? If so they may have left off the o-ring seal off the bottom of it.

May 28, 2009 | 2000 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

1 Answer

1991 buick park avenue will not stay running and runs rough


I think you got your answer to the alarm issue. I had the same problem with rough idling, lack of power, and the chugging that occured when going up hill. I have a 1991 Park Avenue with 190k miles. Fixing the catalytic converter helped, but the real problem was in the ignition control module. It seems that older buicks will heat these units to the point that the glue inside melts and eventually exposes the electronics. Look for glue or exposed wires below the ignition coil. It's a $100 part that you should be able to change yourself. I hope that helps.

Jan 23, 2009 | 1991 Buick Park Avenue

1 Answer

1992 buick park ave


have you replaced your ignition module?

Sep 02, 2008 | 1992 Buick Park Avenue

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