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hey everyone, got a massive idle problem, my car is idleing at nearly 2000rpm!!!!!, we have established that it is not aac valve, i am 99% sure there is no vacuum leaks either. when the car was auto it had the problem and now that it is manual it is still there and much more noticable. it is now manual but still has a auto ecu. any suggestions would be great as at this stage i am stumped. i was thinking it could be throttle position sensor????.

Thanks for any help!

Adam Dare

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check the position of your throttle buttefly

i had the same prob a while ago idle at 1800

problem tracked down to 2 small vacuum leaks and the butteflies were slightly open (but mine GTR so 6 slightly open was letting a fair whack of air in)

i cleaned my intake and with gunk gone, thats what left small gaps between butteflies, cleaned yours recently?? (upper engine cleaner)

Cheers

RellikZephyr

My money is on the TPS not sending a "throttle closed" signal to the ECU. Should be 0 ohms across pins 1,2 (or 2,3 - can never remember the combo lol).

I've been told that my high idle problem was the throttle position sensor. How do you fix it or how much is a new one????

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