Question about 2002 Toyota Camry

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Replaced the battery in 2002 camry now it won't idle

I replaced the battery and now my 2002 camry won't idle. It idled correctly when first started after replacing the battery, but after idling for about 10 minutes the idle speed dropped below 200. Now, every time I start it, it immediatly drops below 200 and shuts off.

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When you replace battery in 2002 Camry ECM tries to reset to factory levels. The reason it will not idle is that the throttle body is dirty and ECM thinks it should be new!! Clean throttle body with cleaner that is safe for tbs and this will fix your idle problem.

Posted on Jul 06, 2009

  • Jfsaucedo67 Jul 20, 2011

    Great tip, thank you very much

  • Don Bonne
    Don Bonne Nov 23, 2015

    worked like a charm

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Posted on Jan 02, 2017

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I changed the battery and now it will not idle


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Toyota Camry idles then dies


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Was it idling before you changed the battery? If you were to clean out the throat of the aluminum inlet manifold just behind the throttle body with a parts cleaner product that is safe for plastics (sensors) the car will idle.
The engine features a intake valve cover vent that goes back into the front of the throttle body. After time, the vent tube deposits a lot of oil and gunk in the throttle body assembly and just behind it into the intake manifold.

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