Question about 1999 Acura TL

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Emissions I have a 1999 Acura 3.2 TL . my idle seems to go up and down, hanging around 1000 to 3000 rpm at times and sometimes the car will shut off when the car is in park. I changed out the map sensor, due to hooking up a code reader that said that code was aa possible cause to the problem. Yet the same condition came back again. When i drive my car it does seem to run a little rough than normal and before i changed out the map sensor, the car would shut off on me while in bumper to bumper traffic. I don't want to be a parts changer, but would like to have the best advice on how to fix it myself rather than get ripped off by the dealership prices.

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  • ybentsis Nov 27, 2008

    i have acura TL 1998. Idle speed at parking and nutral go up and down and hanging around 1000-3000 rpm

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Try fuel system cleaner clean air filter then if that doesnt work check the throttle body and make sure its clean check the idle air motor it is what helps the vehicle start in the cold its on the throttle body and then give a tune up

Posted on Nov 13, 2008

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emissionwiz
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SOURCE: enissions

It sounds like an intake gasket leak, buy some carb spray and spray around the top of the eng. if a leak is present the engine will change tone.

Posted on Nov 02, 2008

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Best Wishes from the Great White North- Canada

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1 Answer

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You need to replace your IAC (idle air control valve). The IAC, like it sounds, control the idle of your car. When they go bad they will cause the low idle and stalling. The IAC is located on the throttle body and is usually held on with a couple of screws. It is an easy relatively cheap fix that you can take care of by yourself. Let me know if you have any more questions. Thanks for rating my response and for using FixYa!

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Enissions


It sounds like an intake gasket leak, buy some carb spray and spray around the top of the eng. if a leak is present the engine will change tone.

Nov 02, 2008 | 1999 Acura TL

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