Question about 1997 Chevrolet Monte Carlo

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Car will not idle must keep foot on gas pedal or it cuts off

Turn key and it chokes. turn key and give it gas starts up but u must keep foot on pedal or it cuts off. will not idel

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Check the EGR operation. If this valve is leaking it will cause your symptoms.

Posted on Jul 19, 2009

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1 Answer

Wont start


If you can keep giving it gas and it runs above idle with no problem, then you have a blocked or bad idle control valve on the throttle body assembly. With your foot off the gas pedal, the large throttle plate inside the throttle assembly is closed, but some air is let in through the idle control valve or motor through a separate passage. This can get clogged with deposits over time and poor idle results. The valve is controlled by the engine computer. It is how the computer controls idle speed- more air if the idle control valve is opened wider, higher idle speed.

"...like its not getting any gas..." Oh yeah, it's getting gas, the injectors are still pumping gas into the cylinders, but it may not be getting any air. All the accelerator pedal does is control the air supply into the engine through the throttle body. So modern cars have an air pedal, not a gas pedal. Then the computer takes over and matches the correct amount of gas through the injectors to the known supply of air in the intake manifold. Neat system, eh? Sorry if I sound so pedantic, dale. check your idle control valve.

Apr 20, 2014 | 1997 Mitsubishi Galant

1 Answer

Car will not stay turned ON when cold


Try this. When you first try to turn your engine on, keep your foot on the gas pedal. The car should turn over but not start. (don't worry, its not supposed to). Take your foot off the gas and turn the ignition on again, but Don't touch the throttle this time. That should set your choke correctly. To summarise: Turn key with foot on Gas. Take foot off Gas, and turn key again.

Oct 16, 2012 | 1993 Toyota Corolla

1 Answer

Car will not start without pressing gas pedal to keep idle speed up. If I keep idle at 900 RPM or higher it runs as long as foot is on gas pedal. It then stalls out when I take foot off gas pedal. No...


Have the idle bypass valve checked, also called idle air control valve.
If that valve is stuck in the closed position, it's not allowing the fuel to bypass the throttle plate to keep it idling, resulting in stalling, but will keep engine running if the pedal is pushed down.

May 14, 2010 | 2000 Toyota Camry Solara

1 Answer

Idles rough quits when foot off gas pedal


You have a blown head gasket, or intake manifold gasket one of the two.

Feb 10, 2010 | 1996 Nissan Altima

1 Answer

Engine starts, but won't idle, after I take foot off the gas


you may have an issue with the air idle control valve that allows air in the motor when you haVE your foot of the gas oedal. well it is actually an air pedal because it let more air in when you press on it and the computer gives it more gas. so if it runs and idles when your foot is on it and it won't if it is off then the air flow is getting cut off totaly and i would look at that idle air control valve or (iacv) good luck

Dec 26, 2009 | 1998 Ford Explorer

1 Answer

Is it a Gas Choke


how many miles on this car? providing the choke is all the way open at operating temps and the engine is still not smooth and the tune-up parts are new, i would search for a vacuum leak somewhere on the intake manifold and carb. using carb cleaner with engine running spray around intake and lower carb if idle changes, you have found a leak. make sure the choke is working properly!! dirty fuel tank is possible but not likely, with a tune-up i would assume the fuel filter was changed. was it dirty? was the timing checked? does car run well at speed driving down the road?

Nov 09, 2008 | 1987 Mazda 323 4-Door

1 Answer

My car starts when i have my feet on the gas pedal,but turns off when i take my foot off the gas pedal


Is the check engine light on?? If not, I would try base idle adjustment. For that you will have to go to a dealer, because you need a scanner for this operation. Base idle adjustment is done by turning a screw built into the IAC valve, which keeps the car running by giving it air. If your base idle is too low, then the engine is not getting enough air resulting in stalling. Let me know what you find.

Aug 13, 2008 | 1995 Nissan Maxima

1 Answer

1995 cutlass supeme


idle air control ( IAC) when you start our car and give gas it goes fine hold the gas pedal a little bit its should start faster that typcical iac but sometime egr vale might be sticking start our car hir the egr valve with hammer no to hard it should free it up thanks pierre

Aug 03, 2008 | 1995 Oldsmobile Cutlass Supreme

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