This is a minor but irritating problem. My daughter has just bought a Yaris and when in use, ie. normal driving, it is fine, but after stopping and taking her foot of the accelerator, upon using it again it momentarily sticks. The mechanism is fairly easy to see and I've squirted it with WD40 but no change. It has a fair amount of sideways play-is this usual or could it be wear? (car's done 111k) I can see the cable disappearing into the bulkhead-can I put oil on the cable? I don't want to make it worse. Any advice?
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The sideways movement of the spindle is not good news. Likely the throttle disc is binding in the venturi. Take the inlet trunk off the throttle body and wash all the crud off the disc and venturi with some carb cleaner and an old toothbrush. Open the throttle and let it snap shut and see if the binding is still there. If so you may have to renew the throttle body although its feasible that with a little careful use of fine wet'n'dry on the disc the high spot could be removed.
Disconnect the throttle cable at the engine and make sure its completely free and not binding in the sheath.
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Hi Andrew-I haven't explained that very clearly-the looseness was in the pivot mechanism of the pedal, not at the engine end.
Edited by lordwoody on 20/11/2008 at 23:13
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