Question about 2001 Buick Regal

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Hard to start when hot

My 01 buick regal starts fine when cold but will either start then die or just crank when hot. If I jiggle the peddle like it was carborated it will start runs fine when running. 3800 engine

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  • aileron22 Jul 26, 2008

    starter cranks fine. thought of the TPS or MAP sensors

  • aileron22 Jul 26, 2008

    checked fuel pump preasure and found good replaced all plugs checked wires for cracks and resistance and cheaked coil blocks for proper resistance all looks good

  • Anonymous Mar 17, 2014

    engine cold delays start engine hot start ok

  • Anonymous Mar 18, 2014

    3.3 v6 starts when cold dies after engine warms up will not restart till engine is completely cold

  • Anonymous Mar 21, 2014

    Runs fine when cold, starts to run rough after it is warmed up

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  • 6,487 Answers

This can be a problem with your starter so better check the starter or have it replace...

Hope that helps........

Posted on Jul 26, 2008

  • Mark Gil
    Mark Gil Jul 26, 2008

    You can also do this:



    Get a carbuerator cleaner and next time it refuses start do below -and tell me what happened.

    Get a carb cleaner and spray into the carb or the throttle body on an EFI. Did it start and die? If not disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light.

    Fuel pump and Injector/s checks out-start checking the ignition system-power to coil, coil/s itself,distributor pick-up,control module, Cam and Crankshaft sensors.

    If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems with compression and valves opening and closing at the wrong time

  • Mark Gil
    Mark Gil Jul 26, 2008

    You probably need new mass air flow sensor you can get a used one for $30. if your fuel consumption has increased then that is most definately the problem.

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1 Answer

My 01 Buick regal with supercharged 3800 won't


it flooded. step on the gas pedal fully and crank the engine; that forces it to go into a clear flood mode by turning off the injectors. it may take a little while, but it will start.

Apr 08, 2013 | Cars & Trucks

1 Answer

Hard Start When Cold 01 Bucik Regal


Did you check the fuel pump relay ?
You would need to use a fuel pressure gauge and check pressure before you crank the engine.
When you turn the key switch on, the pump relay is supposed to provide power for 3 seconds to boost fuel pressure.
If fuel pressure is ok, the coolant temp sensor could be telling the computer the engine is warmer than it really is.

Apr 03, 2013 | 2001 Buick Regal

1 Answer

Hardstart hot cold ok


don't want to start after it sets about 30 min.,if it does start it will run rough and then die.let it set and get cold it will start.What is the the trouble?

Jan 15, 2013 | 2001 Buick Regal

1 Answer

Cold engine cranks when bumpping the starter once. After engine is wram you have to bump starter three time to crank. 1997 jeep wrangler 4.0 engine. What is the problem. Thanks


Its a hot start issue.

Can be related to low fuel pressure or problem with crank sensor.


Also it can be weak battery or starter.


But possibilities are to be inspected to confirm what exactly it is.------


To troubleshoot and confirm the issue,i suggest you refer few solved help links with similar types of problem like yours:------


Click the link below:------


1991 Toyota Trecel: Engine Starts fine but dies when gets Warm?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-trecel-engine-starts-fine.html

-------------

1994 Toyota Pickup: Starts fine but dies in few seconds?


http://howtobyme.blogspot.in/2012/05/1994-toyota-pickup-starts-fine-but-dies.html

------------

1995 Lexus LS400: Running Hot?

http://whatisbyme.blogspot.in/2012/05/1995-lexus-ls400-running-hot.html

------------

2002 Toyota Camry: Puff of Blue or White Smoke while Starting?

http://whatisbyme.blogspot.in/2012/05/2002-toyota-camry-puff-of-blue-or-white.html

------------

Multiple problems on car: Car runs hot, A/C blows hot and car starts surging?

http://schematicsdiagram.blogspot.in/2012/04/multiple-problems-on-car-car-runs-hotac.html

--------------

Delay starting on Toyota Prius?


http://schematicsdiagram.blogspot.in/2012/02/delay-starting-on-toyota-prius.html

-----------

Honda car will not start intermittently?

http://technoanswers.blogspot.in/2012/02/honda-car-will-not-start-intermittently.html

--------------

Vehicle Starts, Runs and Loses Power

http://whoisbyme.blogspot.in/2012/07/vehicle-startsruns-and-loses-power.html

--------------

Intermittent starting issues on Volvo 760?

http://schematicsdiagram.blogspot.in/2012/02/intermittent-starting-issues-on-volvo.html

-----------

Car starts and cuts off immediately?

http://repairhelpcenter.blogspot.com/2012/01/car-starts-and-cuts-off-immediately.html

-----------

Car won't start when cold?

http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-when-cold.html

===========

These details will help.

Thanks.

Dec 17, 2012 | Jeep Cherokee Cars & Trucks

2 Answers

My 1979 buick reagal runs rugh when is hot




Idles rough and quits when gas pedal is pressed less?
http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html
---------

Rough idle, staling and Erratic shifting?

http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html

--------


Its a hot start issue.

Can be related to low fuel pressure or problem with crank sensor.


Also it can be weak battery or starter.


But possibilities are to be inspected to confirm what exactly it is.------


To troubleshoot and confirm the issue,i suggest you refer few solved help links with similar types of problem like yours:------


Click the link below:------


1991 Toyota Trecel: Engine Starts fine but dies when gets Warm?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-trecel-engine-starts-fine.html

-------------

1994 Toyota Pickup: Starts fine but dies in few seconds?


http://howtobyme.blogspot.in/2012/05/1994-toyota-pickup-starts-fine-but-dies.html

------------

1995 Lexus LS400: Running Hot?

http://whatisbyme.blogspot.in/2012/05/1995-lexus-ls400-running-hot.html

------------

2002 Toyota Camry: Puff of Blue or White Smoke while Starting?

http://whatisbyme.blogspot.in/2012/05/2002-toyota-camry-puff-of-blue-or-white.html

------------

Multiple problems on car: Car runs hot, A/C blows hot and car starts surging?

http://schematicsdiagram.blogspot.in/2012/04/multiple-problems-on-car-car-runs-hotac.html

--------------

Delay starting on Toyota Prius?


http://schematicsdiagram.blogspot.in/2012/02/delay-starting-on-toyota-prius.html

-----------

Honda car will not start intermittently?

http://technoanswers.blogspot.in/2012/02/honda-car-will-not-start-intermittently.html

--------------

Vehicle Starts, Runs and Loses Power

http://whoisbyme.blogspot.in/2012/07/vehicle-startsruns-and-loses-power.html

--------------

Intermittent starting issues on Volvo 760?

http://schematicsdiagram.blogspot.in/2012/02/intermittent-starting-issues-on-volvo.html

-----------

Car starts and cuts off immediately?

http://repairhelpcenter.blogspot.com/2012/01/car-starts-and-cuts-off-immediately.html

-----------

Car won't start when cold?

http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-when-cold.html

===========

These details will help.

Thanks.

Dec 04, 2012 | Cars & Trucks

1 Answer

I have a 1991 Buick Regal. Once the car starts,and the engine gets hot, the car will die out, and not start again til cooled off.


one of 2 items are probable. have the ignition module tested. also check the crank position sensor.check for spark and injector pulse when it dies.

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1 Answer

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