Question about 1994 Buick LeSabre

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Cutting out on acceleration, check engine light sometimes, security light problem for many years. Let the computer run through settings by leaving ignition switch on, but only starts when wants to.

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  • Buick Master
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CUT OUT ON ACCELERATION COULD BE THE TPS SENSOR.SCAN IT TO GET THE PCM CODE.

Posted on Sep 08, 2009

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1 Answer

Check engine light car shaking


Check your spark plugs and leads. If this fails to fix it, then make sure the ignition system is set up properly.

May 05, 2013 | Buick Cars & Trucks

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The car keeps jumping gears sometimes and air gets in the pistons. service engine light only comes on randomly. i went to autozone for the code scanning and nothing showed up twice. took it to mechanic...


auto zone can only help you when the check engine light is "on" SUGGEST THAT YOU HAVE IT CODE READ AT AUTO ZONE THE NEXT TIME THE LIGHTS ON,WHEN IT DOES COME ON,LEAVE IT RUNNING THEN when you have someone with you,leave the car running,go inside auto zone and get them to come out and code read it while the lights on.the only way they can read it is if the check engine light is on. i understand that you have a new motor, you may have a bad idle control sensor. that jumps out at me. the silver canister on top of your engine that has only 2 screws holding it to the engine and has an electrical plug in. does the engine die after you start it sometimes? when you're at a light does it not want to take fuel when you press on the gas pedal? does the engine die sometimes for no apparent reason when it"s setting still? if any of these signs are correct,then a bad idle control sensor is suspect.if not that,then you may have a clogging or clogged fuel injector.if you suspect that,then i suggest adding lucas fuel injector cleaner to your gas tank. this stuff works great for unclogging fuel injectors.you can find it for around $5.00 at auto zone,just add it to your fuel tank.run the engine and you will see a difference after the 1st 15 miles. no more missing or sputtering at stop lights or stop signs. thank you for choosing fixya.com

Mar 24, 2011 | Saturn L300 Cars & Trucks

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Gmc jimmy 2000 will crank but will not start what could be the promblem


does the word security stays flashing after you crank the engine? if it does vehicle has a problem with the passlock 2 system which is a factory installed anti-theft system. when faulty which is too common on those year GM models, vehicle will start and run for 2 or 3 seconds and die out. follow this procedure: 1) locate yellow 20ga. wire running out of steering column which will run along with heavier gauge wires. correct wire will be thin compared to the main ignition wires. 2) cut wire and connect an in line toggle switch and leave in on position. 3) put key in ignition and move forward and leave it that way for approximate 15 min. or until security light goes out. 4) as soon as light goes out vehicle should start. if it does not crank engine again until it starts. 5). when engine starts flip toggle switch to the off position then security light will come on. done. passlock system is bypassed. security light will stay on constant but vehicle will no longer leave you stranded.

Mar 14, 2011 | 2000 GMC Jimmy

1 Answer

Engine cuts out like it cant get gas when accelerating, sometimes when at driving speed the car cant get gas , then after a min it runs fine , also trouble starting like it cant get gas...i dont smell...


Depending on year. I would check cheap things first. First check lines for leaks. Replace Fuel Filter with new one. If fuel injected? have fuel injectors checked. If Carberator? Check for Vacuum leaks around the throttle body, Check Intake, and carb itself for leaks. Now i would go ahead and check the Fuel pump. If Injectors? Have the fuel pressure checked. If Carb? Try a new Pump.
You didn't specify what year and model or what engine. So It's kinda hrd to figure it out. but i gave you the basics for all engines.

Jan 04, 2011 | Pontiac Grand Am Cars & Trucks

1 Answer

Under steady acceleration, engine light goes on


Being a 95 it dosent have OBD2 so it may not store a trouble code in the computer.
From the symptoms it sounds like either, Air flow sensor, O2 sensor
The O2 will not usually cause stalling under acceleration.

Sep 30, 2009 | 1995 Mazda 626

1 Answer

Cuts off at 70mph when accelerating.


Best thing to do is go to an Auto Zone and have them scan your truck for any DTC codes. Auto Zone scan free of charge, there is just to many things that can cause the engine issues your running through such as detonation during acceleration due to timing issues to lack of fuel pressure. Good luck and keep me posted, be glad to help you get your truck running 100%

Sep 30, 2009 | 2003 Chevrolet Silverado 1500

1 Answer

Trac light on dashboard came on lost acceleration car quite runni


The solution to my problem wasnt the recurity thing ,,,,,after a few calls and having to take it to the garage for repairs,,,HAD TO CHANGE REGULATOR-FUEL LINE FILTER AND FUEL PUMP ,,,Helpfull hint ,machanic tells me u should change the fuel line filter at least once a year if u use regular gas on a regular basses.It may help this from happening again.
The security thing works like this only if you think that is the problem,,,Turn key to ACC position and leave on for 20 minutes,Than shut key off for 10 minutes,after ten minutes try to start .Hope this helps someone thanks for any help.

Apr 08, 2009 | 2002 Pontiac Grand Am

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