Question about 1993 Buick LeSabre

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1992 Buick LeSabre Custom....180K on the odometer...stalls at low speeds....sometimes at highway speeds without warning...error code 17 is popular...I have a 41 also but the magnet has been missing 2 years now..I tossed 2 used ignition modules at it...same story...was wondering if the stall is causing the code or is the code causing the stall? Checked out the wiring per All Data and I have a spark reference all the way to the PCM...have noted the PCM chip has a year code of 97 on it...this suggests previous issues....thinking of buying a new PCM...but wondering if it is a fuel issue...as stalling occurs more frequently after running down the highway and then puttering in town...

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I had this same problem with my 1992 Lesabre. It turned out to be the crank sensor. Hope this helps...

Posted on Oct 15, 2009

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Dont know what the code are w/out looking them up however i do know that is a common problem when ignition coils or 1 ign coil goes bad. or distributor shaft wears out, which i dont think 92 buicks have. your 92 buick should be ign. coils . ignition coils need tested at a auto part store.most are free test call them to make sure.

Posted on Jun 28, 2009

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1997 Buick Lesabre Custom 3200. Error codes P1870 & P0740. No prior indication. Drive one block, sounds like axel connections in transmission are binding and rarely slipping.


Code P1870...What does it mean??? - GM Forum - Buick, Cadillac ...

www.gmforum.com > ... > 1992-199
Jun 9, 2005 - Location: Bloomington-Normal, IL 1997 SE ... Default Code P1870...What does it mean??? I got a CE light the other day, and this is the code that was read word for word: P1870 ... No TCC solenoid electrical DTC P0740 ... Code P1870 & Speedometer error, Hi_tork, 1992-1999, 4, 10-16-2011 04:08 PM.

Sep 14, 2015 | Buick Cars & Trucks

1 Answer

Codes 17 and 41 even after cam replacement


Check and make sure your battery cables are clean and tight. You may want to check your ground wires inside the car, under the carpet. I had a bad ground under there.

Aug 01, 2009 | 1992 Buick LeSabre

1 Answer

Stalls after run for a while. Sets code 17. Will restart after a while. Code 17 is only code set.


code 17 I believe is the cam sensor circuit. It could be the sensor is failing, but its also possible the maginet on the cam gear is cracked or broken. If this is the case, the cam gear & chain will need to be replaced.

Jul 08, 2009 | 1992 Buick LeSabre

1 Answer

Low idle and stall


check your idle air control valve(IAC) its probably dirty and are not able to move freely
the IAC valve controls the air mixture at idol speeds

May 17, 2009 | 1999 Buick LeSabre

2 Answers

1995 Buick Lesabre custom stalling and idle


did you clean the idle speed control air bypass valve?, u do this by spraying carb spray into the intake while the engine is held at hi idle so it won't stall, use up about half the can, then shut down and disconnect battery for 5 minutes to reset system idle learn, drive the car for a few days and let me know if the problem is fixed.

Mar 24, 2009 | 1995 Buick LeSabre

2 Answers

Stalling Jerking car


Try checking your gas filter/inline fuel filter. Could also need a carburator adjustment

Nov 29, 2008 | 1990 Buick LeSabre

1 Answer

Trouble codes- What to do with them?


P0102 - Mass Air Flow (MAF) Sensor Circuit Low Frequency, clean inside the of MAF sensor with spray brake clean, if code returns replace the Mass Airflow sensor (MAF)
P0440 - Evaporative Emission (EVAP) System,
poss loose or leaking gas cap
P0128 - Coolant Thermostat Below Thermostat Regulating Temperature,
replace the thermostat, engine running cold
P0716 - Input Speed Sensor Circuit Intermittent, this is a problem with the VSS, vehicle speed sensor, replace it.
Clear all the codes after above repairs and drive a few days, then retest system for codes.

Sep 23, 2008 | 2002 Buick LeSabre

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