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Why wont my 98 buick regal stay running when i take my foot off the gas

Its 98 buick regal i have changed the plugs added new wires and it fails to start unless i hold down accelerator

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My 05 rendezvous was doing the same thing. If you have an evap solenoid on your model, it may need replacing. Fixed mine right up.

Posted on Jun 26, 2014

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Posted on Jan 02, 2017

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SOURCE: Check engine light comes on and goes off

Try putting somw SEAFOAM into your tank. It either your O2-sensor, or EGR-valve. Alot of the time, SEAFOAM will clean these sensor up????

Posted on Feb 07, 2009

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SOURCE: wont hold idle will start with foot depressing gas pedal will run with foot on gas but stalls when foot removed

Check and clean Idle air control valve. Make sure its responding to signal as well. Also make sure ther are no vacuum hoses disconnected. This may not be a "cure" but it's a good place to start.

Posted on Apr 14, 2009

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SOURCE: car wont stay running unless foot is on the gas

Withoutknowing if the check engine light is on it could be a variety of things including but not limited to the o2 sensor, throttle positioning sensor, and the MAF and MAP sensors. Best diagnosed by using an OBDII scanner to scan for codes. If no codes are present I would then check for the pressure coming from the fuel pump to make sure it is still functioning.

Posted on May 21, 2009

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SOURCE: starts but dies as soon as i let off the gas wont

replace the gas filter just follow the gas line of the carb it should be easy to find

Posted on Feb 07, 2010

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SOURCE: buick regal 92 3.8L Horrible fuel mileage

Sounds like you might have an oxygen sensor problem. Your catalytic converter(s) maybe defective or dirty. That in turn can dirty up the oxygen sensor. A defective oxygen sensor will send faulty info to the computer, interpreting the fumes as cold (even when the engine warms up). That causes the computer to adjust the fuel mixture to very rich, giving you poor gas mileage and the fuel smell. Hope it helps.

Posted on Mar 16, 2010

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It starts and will only stay running if I keep my foot on the gas. As soon as I let off the car dies.


sounds like idle control valve. allows air to get into the motor if the throttle body is closed. aka your foot off the gas pedal. sometimes you can try to clean them, but most times that doesn't work.
southernelectronics.com

May 28, 2015 | 1999 Buick Regal

1 Answer

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

Why wont my buick stay running?


and thats all you did? did you remove and replace the plug wires one at a time???

Apr 30, 2014 | 1994 Buick Regal Gran Sport

1 Answer

My regal will die out just after starting it it will idle for abt 10seconds if u keep foot on the gas it will stay running


mcdevito75 Here, It sounds like 1 of the air idle sensors, have the shop check it out.

Jun 18, 2010 | 2001 Buick Regal

2 Answers

I have a 99 Buick Regal GS, engine will start and run for few seconds then it will die.


I had a similar problem....my 98 regal GS did the same. There is a two stage fuel pump resistor located in the right inner finder. It was corroded and open. The fix requires relocating new resister on firewall. Fix was $165.00 + tax to my mechanic and runs like new now. Hard to diagnose problem per mechanic.

Mar 11, 2010 | 1999 Buick Regal

1 Answer

94 buick park ave hard start, wont stay running, lack of power


change the temp sensor on the thermostat housing, i had a problem like that on one once it fixed the problem right up.

Feb 05, 2010 | 1994 Buick Park Avenue

1 Answer

I have a 1999 Buick Regal ls car run out of gas


A couple of possibilities. 1st, check to see that the fuel pump is working. When you turn the key to on position (not all the way to crank the engine over), can you hear the pump? You should hear a humming sound from the gas tank . The fuel in the tank actually keeps the fuel pump from overheating. It is possible the pump is shot. It would be a good idea to change the fuel filter, as it may be plugged up from sediment from the bottom of the tank.

Jun 28, 2009 | 1999 Buick Regal

2 Answers

98 BUICK REGAL MISSFIRE FROM #4


Fan blower moter on 98 regal

Dec 27, 2008 | 1999 Buick Regal

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