Hi,
I have a Toyota Avensis 2.0 vvti (t25) and I occasionally have the idle drop down to around 600rpm. I got the throttle body cleaned at a garage and on the drive home the idle started dropping as low as 400rpm. I have reset the ecu and the idle has improved a little but its still not right. What I have found is that if I drive the car its fine for about 30 minutes but after this the idle drops to below 600 and the car shakes alot.
The throttle body doesnt seem to have a removable idle valve, any suggestions on what else could be causing this?
Thanks
Mo
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