Question about 1994 Buick LeSabre

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Check enging light on

I dont have a code scanner but was told that on the 94 buick lesabre you could use a paper clip ...but how?

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  • hatrock33 May 31, 2009

    I went to buy or rent the scanner from the auto parts store and they said that they didn't carry it and to use a paper clip

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DO NOT try this Your car is too NEW, That works on Older Modle GM"s

Posted on May 31, 2009

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95 buick lesabre check engine light goes on every time i hit passing gear or climb a hill. when i restart car it is off again.


Sorry to say, that is one of those GM cars that is difficult to retrieve trouble codes without special scanners. It was on some '94 and '95 GM luxury or upscale models (your LeSabre was one), where they put in the new diagnostic connector that became standard on all cars built after 1996- and called OBD-2 (for On Board Diagnostics, second generation). The problem is, your '95 model is typical of all early '90's cars and trucks equipped with the OBD-1 system. It only has 2 digit trouble codes, and there are not a lot of them, only about 2 dozen in total. The whole system is OBD-1, but the diagnostic connector is configured like an OBD-2 connector.
Some shops might have the scanners necessary to work on your car, some with high end scanners. Of course, GM dealerships would have the right testers, but they are outrageous in prices.
I would try to find someone who could get the codes for you. What you describe sounds to me a lot like a bad Mass Airflow Sensor, or MAF sensor. That is just a guess, though, and why I recommended you try to see if there are trouble codes. There should be at least one.

Nov 25, 2016 | 1995 Buick LeSabre

1 Answer

What is TSB 71-65-66 and how to fix it?


DTC 1676 [Archive] - FirebirdV6.com/CamaroV6.com Message Board

forum.camarov6.com > ... > Technical > Advanced Engine

Mar 6, 2003 - 9 posts - ‎4 authors
71-65-66 NOV 97 Engine Controls - EVAP DTC's P1665 & P1676 Added " that is from alldata as a TSB i dont know what "EVAP" is though.

Find Technical Service Bulletins for your 1998 Buick ...

tsb.govwebs.com/k-vin-v638l-lesabre-buick-1998-10199.html
Free Technical Service Bulletin and Recall Titles for 1998 Buick LeSabre V6-3.8L VIN K ..... 71-65-66, NOVEMBER 1997, Engine Controls - EVAP DTC`s P1665 ...

Trouble Code - AutoZone

www.autozone.com/.../Buick.../_/P-0996b43f8036fc4e

AutoZone... power circuit is open (check ENG EMISS fuse). Purge solenoid is damaged, or the PCM has failed. TSB 71-65-66 contains a repair procedure for this code ..

Nov 24, 2015 | 1998 Buick Century

2 Answers

2004 LeSabre engine is struggling and the check engine light is flashing what's causing it


Flashing check engine light means don't drive it. It can damage things. Get a code scanner from auto parts store, rent it buy it etc. run the scanner to see what it says

Sep 09, 2015 | Cars & Trucks

1 Answer

94 buick lesabre looses all power


its a ground problem.check for loose/broken ground cable bolted to the bell housing by starter.

Jul 18, 2013 | 1994 Buick LeSabre

1 Answer

What is the diagnostic code?


96 and newer is the OBD-2 scanner to use, for 95 and older gm vehicles go to this site for the codes--- www.gmtuners.com/0BD1_DTC.htm----- heres how to read codes on 95 and older, The ALDL connector is on the driver side of the car by the steering column. Short the A and B pins together, which is the two pins in the upper right hand section of the plug. Make sure the key is on, but the engine is off. That will make the check engine light flash whatever codes are stored in the computer. You can use a paper clip to short the pins together. Hope this helps. to read codes, 3 flashes of check engine light, then pause then 2 more flashes indicates problem code 32. thats how you read the codes. so have something to write them down so you can keep track of the codes.

Jan 23, 2011 | 1993 Buick LeSabre

2 Answers

94 lesabre cranks and cranks but wont start


check spark plugs/wires, compression and alternator allare factors to whats wrong

Nov 03, 2009 | 1995 Buick LeSabre

3 Answers

Why is the check engine light on and idle problem?


Could have a bad injector or PSM problem. When idle is bad start pulling each spark plug one at a time , if no change then thats the bad cylinder. Could be a spark plug too. Buy a spark plug wire puller to do this job (plastic only and only use one hand)

Oct 14, 2009 | 1993 Buick LeSabre

2 Answers

94 buick lesabre engine shut down while driving on the highway today.had this yesterday and my mechanic placed on diagnostic scanner.scanner reads rr module problem.i do have code as for its not listed on...


PROBLEM:car does not always start or car shuts down while driving.SOLUTION:replace module!the 1994 LeSabre has two options the ECO-1 or the OBDM-1.My LeSabre was repaired by a master mechanic,who also replaced the computer because it was fried.My mechanic used the OBDM-1 module and replaced the computer haven't had a problem since.

Sep 11, 2009 | 1994 Buick LeSabre

1 Answer

Installed new steering column, computer reprogram.


I dont dont think so it should have been compatible first or you would have lights on/ thats just another 110.00 for them to program it/ Thanks for using fix ya Please rate my response thank you very much

Jan 30, 2009 | 1994 Buick LeSabre

1 Answer

2001 Buick Lesabre


Do you have check engine light on???if so scan it OBD 2 yue$$ding isn't the way to go,if you don't have a check engine light on then perhaps coil pack!!! coils do run intermittent some times! and not trip the eng light on !!!!this would be a great place to start.Hope this helps

Dec 26, 2008 | 2001 Buick LeSabre

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