Question about 1999 Toyota Camry

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Idle's high on hot humid days

96 toyota camry LE 2.2....on hot humid days the idle will stay high or stick when letting off the gas sometimes going as high as 6-7000 rpm. Stomping on the fuel pedal seems to kick it back to normal but not all the time. After it has cooled it will start normally at 2000 rpm then go down to about 900 rpm but even that seems to take longer than I would think normal to warm up.

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  • yadayada
    yadayada May 11, 2010

    Run a trouble code test on the PCM.

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6ya6ya
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use a breaker bar or rattle gun

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SOURCE: 1990 Toyota Celica GTS. Idle races too high

sound very much like a vacuum leak.... also maybe your timing is off? possibly advanced? try retarding it with the distributor if thats the case...

Posted on Feb 01, 2009

emissionwiz
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SOURCE: need marks for timimg belt

On the crankshaft gear there is a VERY small dimple that aligns with a mark on the motor. The mark on the motor (a small triangle) is at roughly 11 o'clock. After you line these timing marks up look at the camshaft gear and you will see that on one of the spokes there is a hole. You need to use a mirror to line this hole up with the dimple on the cover that is behind the camshaft gear. (It is at roughly 1 o'clock) If this hole is 180 degrees from where it should be you need to rotate the motor 1 more revolution at the crankshaft and it should now be lined up, or close. Once lined up I like to take a silver (metallic) Sharpie and make my own mark on the camshaft gear and on the backing plate that is behind it. You can make this mark where ever it is convenient for you. As long as you know where your marks line up, that is all that matters. This way I don't have to use the mirror as often.

  • Step 5 Once you have your timing marks aligned you need to locate the tensioner. The tensioner obviously keeps the appropriate amount of tension on the timing belt.
  • Posted on May 26, 2009

    projdoc
    • 2236 Answers

    SOURCE: need wiring schematics for 96 toyota camry

    hayne's (or chilton's) manual from an auto parts store. $17.

    Posted on Aug 12, 2009

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    SOURCE: 1990 Toyota Camry LE with the 3S-FE idle problem

    the engine management system is trying to find correct idle speed/no fuel (when you take your foot of the gas above 850 rpm no fuel goes into the engine.help economy/egr system to burn off.try using a higher/lowe octane fuel to see if any change occurs.also try a gas treatment like unwins/redexe

    Posted on Feb 11, 2010

    Testimonial: "Hi I tried your suggestion on gas treatment and it seems to be working.I noticed in the actual owners manual it says to use 91 or higher octane gas."

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