Question about 1990 Chevrolet Lumina APV

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Fuel 1990 Chevy Lumina 3.1

Car ran well at speed, but would not idle. Channged fuel filter. Now it is dumping large amount of fuel into air intake, and will not start.

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Maybe a weak fuel pump ( believe it or Not ) get the pressure checked and let me know

Posted on Mar 10, 2009

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Posted on Jan 02, 2017

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1 Answer

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The idle air control valve only controls idle speed.
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1990 chevy lumina will not start


COULD BE BAD FUEL INJECTOR.IDLE SPEED TOO LOW.AND A VACUUM LEAK AT THE INTAKE MANIFOLD.SAVE TIME AND MONEY.HAVE CAR SCANNED.LOOK FOR ANY FAULT CODES.

Apr 24, 2010 | 1990 Chevrolet Lumina

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91 CHEVY LUMINA IS IDLING VERY HIGH,AND CAT IS TURNING ORANGE,THATS HOW HOT IT GETS


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Apr 17, 2010 | 1991 Chevrolet Lumina

1 Answer

1990 chevy lumina, idling problem...stalling...too rich


Stalling and running rich. I have seen this before on a Camero. The fuel pump was weak. Not making enough pressure. This caused the fuel injector to DRIP gas instead of SPRAY gas. This caused the fuel to flow into the cylinder in a liquid form, and it did not burn well. We put in a new fuel pump and the car came to life. Good luck.

Dec 27, 2017 | 1990 Chevrolet Lumina

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The car idles fine but tries to die in gear (automatic)


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May 20, 2009 | 1990 Chevrolet Lumina

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Car won't start without adding gas to air intake then won't idle


Check the fuel filter, you may have clogged it when you filled the tank.

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Fuel


Possible fuel regulator....call dealership and see if you can speak to the mechanics before replacing.

Mar 09, 2009 | 1990 Chevrolet Lumina APV

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