Question about 2008 Toyota Camry

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Toyota corolla model 1994 cc1600

I want to adjust idle speed with and without aircondition operation . because every day it differs with much rpm than day before

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  • hosman320 Sep 27, 2008

    thx a lot for ur help but u must know that the engine is injection no carburator

  • hosman320 Sep 27, 2008

    pls be informed that rpm not fluctuate at a time but every day has different idle

    rpm

  • hosman320 Sep 28, 2008

    thx a lot ill try to fix it n reply u best regards

  • hosman320 Sep 28, 2008

    also plc advise me about good sites to buy cheap spare parts at usa

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  • Toyota Master
  • 1,861 Answers

Most likely, you have a very dirty throttle plate. Try this: Remove the tube coming from the air filter to the intake manifold. After it is off, look at the front of the intake manifold, there is a round metal flap, which is connected to the gas pedal via a cable. This is your throttle valve. Open it manually, & check to see if there is a lot of black "gunk" around it, and in the insides of the round hole where it closes to. If it is real dirty, the throttle valve will keep the RPMs up, because it is not closing all of the way; which may be your RPM fluctuation. Get some good carb cleaner from your local parts store & spray it real good until it is nice & shiny clean. Reconnect everything & start it up, please understand that the engine will smoke quite a bit, and then it will settle down, from the cleaner getting into the intake. This is a VERY common issue. I clean several of these a week.

Posted on Sep 26, 2008

  • Toyota Ed Sep 27, 2008

    Yes, I know that it is fuel injected. The throttle body is where the air is controlled/admitted into the intake manifold. Whe the throttle body is dirty, you get strange rpm readings. As stated before, I personally clean several of these a week.

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