Question about 1991 Buick LeSabre

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My 1991 Buick Lesabre was running fine and now it won't start. It turns over but won't fire up. Any ideas?

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TPS or engine oil switch

Posted on Aug 28, 2010

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2 Answers

Was running shut it off wont start no fire


Got fuel pressure at the motor,spark when cranking ?

Mar 16, 2013 | 1991 Buick LeSabre

1 Answer

I just put a new battery in my 1995 buick lesabre But It won't start. It turns over great but it won't fire up. Is there a fuse Ior a circuit breaker somewhere under the hood I checked the fus


there should be an ignition fuse in the fuse panel that mite be it
also you need to make sure it is gettin fuel and fire to narrow the problem
down . how long has the car been sitting ?

Feb 16, 2013 | 1995 Buick LeSabre

1 Answer

Sputtering Engin on 2000 Buick Lesabre


O2 Sensors only reads Oxygen Content in Exhaust
Converter,so forget that persons advice in the future

The O2 Sensor info is for adjusting fuel trim or injector
pulse timing,not your problem

You change front upstream O2 sensors at 100,000
miles, as preventative maintenance

Check Fuel Pressure at motor & pump maybe failing
as well,doesn't hold pressure thus takes too long to start

Clean the Air Idle Valve on throttle body & it won't shut off
at stops

Oct 12, 2012 | 2000 Buick LeSabre

2 Answers

Fuel/spark problelms with 1991 buick lesabre


Sounds like the timing is too low - if it is electronic timing id check the computer with a code scanner - something not quite right tho... but you dont want to spend good money after bad but.... that can be a bottomless pit!

May 06, 2017 | 1991 Buick LeSabre

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

2 Answers

Replaced ignition module now it won't run at all


After changing the ignition module, you may have broken the communication between all the components in the anti theft security system. This is common on GM antitheft systems. Check out this link for how it works and solutions to security problems. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Jun 06, 2011 | 1991 Buick Regal

1 Answer

1991 buick lesabre


Replace crank sensor

May 27, 2010 | 1991 Buick LeSabre

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