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My engine is running rich and sometimes stalls while ideling

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Molson02536
  • 3854 Answers

SOURCE: 94 Camaro 3.4L V6- runs extremely rich

Check the vacum line to your fuel pressure regulator, the line may have a crack in it or the regulator may be bad. 

Posted on Apr 07, 2009

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wikkidd420
  • 96 Answers

SOURCE: running rich and stalls.

Sounds like it is most likely a sensor in your intake system, either mass airflow, air temperature, or map sensor. Autozone and Advance both pull the codes on your truck for free. I have a 93 Eclipse that did the same thing with a hole in the intake tube, so check that too. Hope this helps :)

Posted on May 10, 2009

  • 54 Answers

SOURCE: car ideling roughly ...not stalling

sounds like you may have a problem with your Idle air control valve, located on the throttle body. this is what controls the idle when coming to a stop or stopped and turning corners or basically when your foot is not on the gas pedal

Posted on May 27, 2009

  • 225 Answers

SOURCE: IDELING PROBLEM HESITATION

most common thing to go bad is the idle air control valve. will cause they problems. will not set a code. will run like **** at idle. but fine when moving. it is located on top of the intake where the air filter hose meets the intake. looks like a silver cylinder about 3 inches long. if you change, have the fuel injection cleaned at a shop. will remove any carbon build up from over the years. best of luck

Posted on Aug 07, 2009

outdoorsman5
  • 631 Answers

SOURCE: 95 aerostar 4.0L EFI 109k --- OBD I, code #556

Might check the coolant sensor. Make sure it is reading correctly. If it is still reading cold on your coolant sensor it will tell the computer to run as if it were cold telling the computer to send more fuel when in fact it doesnt need any because the engine is already warmed up.

Posted on Sep 06, 2009

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1 Answer

My 91 laser will idel fine then warms up a bit and dies out! Then I have to give it fuel to start it again, then it runs rich and dies out again


Is the check engine light on? This can lead you to the source of the problem with a code scan test. Is it 4 or 6 cyl? Make sure the EGR valve is not stuck open as this will definately make it run rich and idle/stall. Common on the 6cylsfor a higher mileage engine.

May 18, 2015 | Cars & Trucks

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Why does my 2003 buick regal ls stop ideling afer it warms up?


The automatic idle control valve may have stopped working or the control module that operates it.

May 17, 2014 | 2003 Buick Regal

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Engine running rich


you could have a dirty or clogged air filter which would send a signal to the computer to add more fuel.

Feb 08, 2014 | Nissan Cars & Trucks

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Why is my Grand Prix surging/stalling when ideling?


If you did not disconnect the battery and drain the voltage from the ECM, it could be using old settings when the problem existed.
When a problem occurs, the computer tries to correct it or find new settings to work around the problem. When you fix a problem you have to clear the codes and sometimes erase the memory from the computer to allow it to start back at the factory settings.
When you disconnect something and the check engine light comes on, the computer goes into limp mode and uses values for the sensors preset by the factory. The car will almost always run rich to ensure the driver can get back to a place for repairs.

Aug 23, 2012 | 2000 Pontiac Grand Prix

1 Answer

Rouph idel


You'll have to figure out if it is a fuel or ignition problem.
Is the check engine light on ?

Jun 29, 2012 | 2006 Chevrolet Colorado

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Just installed a rebuilt carb. on a 1984 Dodge ram D-150, when coming to a stop it lopes and sometimes stalls, also when turning left it stutters and sometimes dies, worse when its been ran for a while.


You probably need to adjust the air/fuel mixture screws. Sounds like its running a little too rich. When you first start the engine, is the idle speed real low? If it is, then this is more evidence that its running rich

Jun 12, 2011 | 1984 Dodge D150

1 Answer

Idels fine when driving it sometimes loses power and stalls if you rev the idel above 3000rpm it stops and runs fine till you stop or slow down the idel below 3000 rpm it shutters and...


If you don't have a check engine light, Start with the air and fuel filter, work your way up to a tune up. Clean the throttle body as best you can on the inside, behind the throttle plate/s

Feb 24, 2011 | Honda Accord Cars & Trucks

1 Answer

95 aerostar 4.0L EFI 109k --- OBD I, code #556


Might check the coolant sensor. Make sure it is reading correctly. If it is still reading cold on your coolant sensor it will tell the computer to run as if it were cold telling the computer to send more fuel when in fact it doesnt need any because the engine is already warmed up.

Sep 06, 2009 | 1995 Ford Aerostar

1 Answer

94 Camaro 3.4L V6- runs extremely rich


Check the vacum line to your fuel pressure regulator, the line may have a crack in it or the regulator may be bad. 

Apr 06, 2009 | 1994 Chevrolet Camaro

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