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Fast Idle 120-130

posted by  Bennie on  Thu Sep 23 01:45 CST 2004
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last visit: Wed Nov 28 03:03 CST 2007
[RELATED]

I've got the problem with my SU's. Idles about 1400 rpm. Blip the throttle and it slows down to aprox 1000 rpm. Shut off the car, blip the throtle once again, start up, idles around 800.
Cause on my SU's: worn out throttle shafts. The throttles just don't close as nicely as they should anymore. Somehow the vacuum or the air flow also prevents the throttles to return fully. If I 'help' them a bit by pushing them back by hand it does work. Heavier return springs might do the job also, although this increases throttle shaft wear a bit more.

Cheers, Ben
--
P131, '65, B20B+M47. P131, '69, B20E+AW71L+LSD. (www.tinustechniek.tk)






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