greggors84
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| posted on 3/4/09 at 06:51 PM |
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High idle after run
The last 2 times ive come back from a run the engine has started to idle high just as im pulling up in the garage. One was a 2 hour drive and ive just
come back from a 15min blat. If I blip the throttle it still idles at around 2k and doesnt come down.
If I turn the engine off and start it 2 mins later its fine.
Its literally in the 30 secs before I pull in. So not a big problem just a bit annoying as when I dip the clutch to reverse the engine races.
Got a pinto with weber 45 carbs.
Any ideas?
Chris
The Magnificent 7!
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flak monkey
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| posted on 3/4/09 at 06:53 PM |
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Weak throttle return spring. Mine used to do it on webers until I added another spring and lubed the throttle cable.
Sera
http://www.motosera.com
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greggors84
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| posted on 3/4/09 at 07:01 PM |
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I took the bonnet off while it was still running and the throttle was fully returned although the cable did seem quite tense.
Will go and have a look when its cooled down and see how tight the cable is.
Chris
The Magnificent 7!
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omega 24 v6
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| posted on 3/4/09 at 07:14 PM |
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Something expanding creating an air leak perhaps.???
If it looks wrong it probably is wrong.
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Paul TigerB6
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| posted on 3/4/09 at 07:41 PM |
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I'd have to suspect the heat of the engine bay is causing the cable to stick. Try lubricating it and maybe adding a spring at the pedal end if
you dont already have one. Also look to reroute if its passing near to the exhaust headers
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greggors84
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| posted on 3/4/09 at 08:26 PM |
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Thinking about it, its probably as I slow and pull out of the fresh air the exhaust starts heating up the cable and making it stick.
Chris
The Magnificent 7!
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