Question about Buick Regal

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I have a 1996 buick regal with the 3.8 engine. My problem is after running the car and the engine is warm (normal) and I shut the car down, if I start the car in 15 or 20 minutes the car starts fine. If I wait 30 ro 40 minutes the car will not start. It turns over easily and seems like it is starving for fuel. I pop the hood and wait about 15 or 20 minutes it starts right up and runs fine. I drove 900 miles with not problems as long as I didn't leave it sit for more than 20 minute or so. Any suggestions? Thanks in advance..

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  • Expert
  • 72 Answers

Sounds like the fuel pressure regulator. if you have access to a pressure guage check the pressure when it will not start.

Posted on Mar 19, 2014

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frcs68
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SOURCE: 1978 Datsun/Nissan 280Z 2

go to zcar.com ask question there. you will get answer and what to look for.

Posted on Oct 12, 2008

  • 1 Answer

SOURCE: 1999 4.0L Jeep Grand Cherokee shuts down after 20-30 minutes.

I'd suggest the ignition control module, however I'd have a certified mechanic check it out just in case...

Posted on Feb 01, 2009

honeymokey
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SOURCE: 92 buick lesabre: yesterday, it would not start when it was hot.

Crank sensor. Next time it does this spray some water on it and see if it cranks. Its by the crankshaft pulley towards front of car.

Posted on Jun 17, 2009

  • 87 Answers

SOURCE: 1999 Buick Regal GSX won't stay running......

It's probably the mass airflow sensor and/or oxygen sensors.

Posted on Jun 18, 2009

  • 77 Answers

SOURCE: Car starts fine..Idle is fast...stalls after car warms up

Check for vacuum leaks. Also try cleaning the ISV.


If that doesnt work go to vwvortex.com and post your issue there

Posted on Jul 08, 2009

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1 Answer

My 1991 Buick Regal (3.1 engine) use to start a high RPMs and then slowly, as the engine warms up, the RPMs would come down to about 800, which is the normal. However a few weeks ago, it started to start...


Hi,
You need to get your engine coolant thermistor checked and tested. This is what tells the ECM when the engine temperature is at normal working temperature and turns the idle down.
But when the idle won't come down from cold to warm this is usually the main fault.
Hope this helps.
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sounds like it's tied into the coolant system..

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ok its one of two things you need to check when it cuts off if you have spark or fuel if you lose fuel pressure replace pump it gets hot and makes noise like its running but its not pumping fuel and if you lose spark you need to replace ignition control module has a hair line crack in it and when gets hot the crack expands and loses contact and wala no spark

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Had the same problem drove me nuts until I tried disconnecting Mass Air Flow Sensor, the car should drive normally but with a "Service Engine Soon Light" on. Mass air flow can run from $140 up, picked one up at recycler for $40.

Worth a try.

Mar 01, 2009 | 1999 Buick Regal

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