Question about 1991 Buick LeSabre

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1991 Buick LeSaber backfires through intake when trying to start

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ONE OF TWO THINGS, IT COULD BE OUT OF TIME OR THE PLUG WIRES ARE ON THE WRONG PLUGS

Posted on Nov 15, 2009

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Have a 1991 Buick Lasabre won't start and backfires very very loud


backfire is a timing issue ,if its to far advanced it will back fire out intake ,if it backfires out exhaust its to far retarted ,you may have a bad timing gear,and or chain or belt, start by checking timing if you can get it running infact go over ignition system to look for other problems

Jul 08, 2015 | Buick Cars & Trucks

1 Answer

How to change fuelpump in 1991 buick lesaber


Drop the fuel tank & take pump
out the top

Watch some video on it

Oct 07, 2014 | Cars & Trucks

1 Answer

I have an 89 buick 3.8 that misses and backfire thru the intake


HAVE TIMING CHECKED. Timing chain may have jumped.

Dec 18, 2011 | 1989 Buick Park Avenue

1 Answer

1991 Buick LeSabre won


open up the air intake where the choke is and stray intake cleaner int here and work the flap. then move into the fuel system. also i remember correctly the gas gauge is on a fuse check for blown fuse.

Dec 07, 2011 | 1991 Buick LeSabre

1 Answer

I have a 180E 1991 model that is hard to start and when it does start it has a bit of a miss sometimes when starting it backfires/pops through air cleaner, others days just won't start


BACK FIRING AND HARD STARTING COULD BE CAUSED BY LOW FUEL PRESSURE CAUSED BY WORN FUEL PUMP.STOP UP FUEL FILTER AND STOPPED UP FUEL INJECTORS.IF ALL IS GOOD LOOK FOR VACUUM LEAKS AT INTAKE HOSES AND INTAKE MANIFOLD.WORN VALVES WILL CAUSE MISSING AND BACKFIRING.

Feb 03, 2011 | 1991 Mercedes-Benz E-Class

1 Answer

Howdo i no if my compreesor on my airshock work for


You can disconnect the level control switch,which should be, possibly on the right rear lower control arm. Then turn the key on,and move the switch arm up or down. The compressor should come on and raises the car. You can also adjust it, but only a little. You should hear the compressor,every time you start the car. It can be running and waiting for the need to inflate the rear air struts.

Feb 17, 2010 | 1991 Buick LeSabre

1 Answer

92 buick lesaber wont start all fuses are good


check for fuel presure at the port on fuel rail on top of engine.could be pump.

Jun 05, 2009 | 1992 Buick LeSabre

1 Answer

93 buick lesaber car ran fine engine locked up so


have you checked firing order on plug wi92717856res? could be problem.

May 05, 2009 | 1993 Buick LeSabre

1 Answer

When i turn on the head lights, the speedometer hand drops to 0.


Has this car ever had a trailer harness added to it? Sounds like you have some wires crossed somewhere.

Apr 21, 2009 | 1991 Buick LeSabre

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