Question about 1991 Buick Regal

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91 buick regal 3.8 car stalled

I started the car went inside came back out it stalled.Now it cranks but wont start.Replaced the ignition control modual a month ago.Car ran fine earlier that day.

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  • Anonymous Mar 29, 2014

    Car was running then turned it off for a few minutes and went to start it back up and car will not crank over. Doesn't even make a noise.

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I have found the most common part failure issue with the ignition system is the crank sensor, also called by some the TDC sensor.

Posted on Nov 25, 2008

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Posted on Jan 02, 2017

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Buick regal 2000 car wont do nothing. . when i turn key i just shows the sec life


sec life ?????? SECURITY LIGHT ? anti-theft system problem . The Pass-Key II® Theft Deterrent system prevents vehicle theft by disabling the starter motor and fuel system. If the Body Control Module (BCM) dose not identify the use of the correct ignition key to start the vehicle, the (BCM) will communicate a message to the Powertrain Control Module (PCM) which will disable the crank relay and fuel delivery to the engine.
When the (BCM) identifies the use of the correct ignition key (resistor pellet) to start the vehicle, the (BCM) will send a fuel enable and starter enable message to the (PCM) which will allow the vehicle to start.

How to bypass GM VATS system GM no crank no star

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Why wont my 99 Buick regal ls stay running it starts then immediately stalls out


Is your SECURITY light flashing? If so, you have a V.A.T.S. problem. VATS stands for Vehicle Anti Theft System. Try getting a new ignition key made because the resistance value has probably changed in the one you have. If that doesn't do it you'll need to get a VATS bypass.

Sep 13, 2014 | 1999 Buick Regal

1 Answer

My Buick Regal GS 98' has electrical issues, wont start, or if It does sometimes the dash goes crazy, or it stalls. Have replaced the turn switch. Could the power windows on driver side be problem? How do...


I had the same problem with my 98 regal. I replaced a wiring harness on the steering column that has heavy gadge wires coming from the fire wall and going to a small black box directly below the ignition switch.Since I replaced it I have not had any problems

Sep 06, 2010 | 1998 Buick Regal

1 Answer

I have a 1990 Buick Regal that stalls while accelerating. And then wouldn't start at all. After letting it cool for a few minutes it started but continued stalling. Before this started happening it was...


most likley a fuel pump issue. The only way to know for sure is hook up a pressure gauge and when you have symptoms check the pressure. If you spray some brake cleaner or quick start when it doesnt start and it does start then this is an indication of a failed fuel pump or fuel pump relay. If it still does not start when you spray then you have an ignition issue like a crank sensor or ignition module.

Jun 19, 2010 | 1990 Buick Regal

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Need location of ecm/ecu on 88-93 buick regal. parked car next day would not start,no spark , center coil bad , replaced it car ran fine for about 2 weeks, now car won't start no spark but coils test good,...


my name is David ,I live in Austin Texas and do alot of mecchanic / technician work around town. I do have my certifications and have work at dealerships and Autozone as well...with all that being said... if you are not getting spark on this vehicleand it is not likely the coils or the module. The crank position sensor the device responsible for reading the angle ( timing ) of the crankshaft. The crankshaft has notches in it that pass either through or near the crank position sensors magnetic tip. The ignition module then interprets the signal and allows signal ( electrical current) to pass into module and on to ignition coils...then on to spark plugs via spark plug wires/cables. The crank position sensor is located on the back side of the engine in the gap between the engine and transmission housing. it is held in place by one 8mm (metric size) or 5/16 standard size bolt. Use a wrench though unless you have small hands or a 1/4 drive socket set. 9.99 times out of ten it will start if there are no other issues... your welcome

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