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Re: Jetta won't idle
I had a similar prob on a 94 Vento. The idle control valve not present. The throttle cable goes on to disc on the throttle body unit, which is held by 4 Allan screws to a large casting. The Petrol injector pipes go to a pump on the Rh back of engine compartment, with electric motor casing sticking verticaly out of it. Read the solution on the web:- remove 3" diam air pipe from throttle body and clean the butterfly assy, Worked for me! The idle air flow is set by a 5 thousanth of an inch gap around butterfly, if this gets bunged up - no idle!
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