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GeoffB

2001 Camry Tourer 1MZFE V6 engine Australian assembled

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When completing a one hour or more drive open road motoring when stopped the motor does not idle at normal revs but around 1500 RPM up and down in the rev range regularly and sometimes sounds like it wants to choke out. Water temperature is normal. Turning off the motor for a few mins and restarting sees the idle normal at normal revs. This never happens for city driving always idle normal at traffic lights etc. Anyone with some ideas of what maybe causing this annoying problem? Thanks.

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Have you cleaned the MAF sensor?

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1 hour ago, trentmeyer23 said:

Have you cleaned the MAF sensor?

Thanks for your prompt reply trentmeyer23.

No, I have not and what would be your recommended cleaner and procedure for this?

BTW, I am not a motor mechanic just a do it yourselfer. But I can follow easy instructions.

Edited by GeoffB
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Have a look on Youtube. There are plenty of helpful "How to clean MAF sensor" videos.

There are specialist products for MAF cleaning.

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Ok. Tks for your help.

Will post with result when known.

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Also a good idea to clean the throttle body and the idle air control valve.

YouTube has some good videos about cleaning the Toyota IAC valve.

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