20 Most Recent 1994 Buick LeSabre Questions & Answers


The chance of the Power Train Control Module (PCM) failing is very small, about 3% per industry research, so expert ndguy2481 is giving bad advice, it is more likely the crankshaft position sensor or the ignition module have a problem when they warm up. Run a test on the PCM to retrieve the trouble codes, I know there will be some. The connector to do this test is under the dash below the steering wheel under the dash panel.

1994 Buick... | Answered on Oct 26, 2019


go to parts.com, enter your vehicles info, and it will show your a detailed breakdown of the latch assembly

1994 Buick... | Answered on Apr 03, 2019


if a 17 mm bolt head then around 90 lbs if 19mm then 120lbs

1994 Buick... | Answered on Feb 02, 2019


Will it hurt the vehicle from it's everyday driving

1994 Buick... | Answered on Nov 18, 2018


On this website you find fuse box diagram and description for Buick LeSabre (1994)

Buick LeSabre 1994 fuse box diagram CARKNOWLEDGE

1994 Buick... | Answered on Oct 25, 2018


Sounds like you a loose 12V connection at the relay box.Locate the relay box and when the engine is running wriggle the wiring harness or shake the relay bow and see if that's when the engine stalls. You may even have a bad / loose ground to the relays.

1994 Buick... | Answered on Jul 26, 2018


At this website www.reliable-store.com I found all complete guide,much better language, complete detail in 800+ pages, ..and they also have live chat for instant help feature

1994 Buick... | Answered on Mar 09, 2018


check the catalytic converter for being clogged you do not
always get a trouble code for a clogged cat

1994 Buick... | Answered on Jan 01, 2018


Your best bet ,take it to a qualified repair shop that has the proper knowledge an testing equipment .
003 Fuel System Tests Scan Data Tests
003 Engine Peformance Tests Scan Data Tests

1994 Buick... | Answered on Nov 29, 2017


http://www.autogenius.info/buick-lesabre-1994-fuse-box-diagram/

1994 Buick... | Answered on Nov 20, 2017


sorry but we do not make, sell anything . try your local dealer

1994 Buick... | Answered on Nov 04, 2017


no the crank shaft sensor would not stop it from turning over

1994 Buick... | Answered on Oct 17, 2017


Classic signs of coolant in the oil and since heads were repaired and sealed, it could be a cracked block.
Coolant is mixed in oil and coolant impedes lubrication of engine thus hard to turn over and start.
One last hope is to drain crank case, refill with fresh oil and new filter.
Add Barr's leak "copper" )(looks like liquid copper and costs about $10) sealant to coolant fluid. Run the engine a few times to full warm up, each time observing for tell-tale white smoke from exhaust. Check dipstick level between each cycle.
If problem subsides, go buy a lottery ticket as you're very lucky. If not, a new engine or short block is on the menu.

Good Luck

1994 Buick... | Answered on Sep 22, 2017


The ECM may be dead .

1994 Buick... | Answered on Sep 11, 2017


Check the actuator motor and rods on the heater box inside. The motor moves the doors in the heater to direct the heat to the area you request. It is a small motor on the driver side or in front of the heater above the dash.

1994 Buick... | Answered on May 27, 2017


Any codes?

1994 Buick... | Answered on May 15, 2017

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