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Join Date: Sep 2006
Location: scotland
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help!!.engine reving really high on start up!!

hi guys,just installed my engine 1992 964 3.3 turbo after rebuild,when engine eventually got fuel through and started the revs shoot very high to at least 3k++ at which point i keep just turning the engine off as i dont want it to rev any higher!!(tried it loads of times and keeps doing this)
i have removed the air injection from my car aswell,,checked throttle body which seems to be just a small bit open which i think is normal? and throttle cable seems to be slack...any sugestion where to start checking???...hope yous can help!
thanks


Last edited by stup; 06-01-2007 at 01:25 PM..
Old 06-01-2007, 01:21 PM
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I would ask this question on the engine rebuild forum. There are lots of things that could cause a high idle on a CIS engine. Perhaps try searching this forum (and engine rebuild) for "high idle CIS". Good luck!
Old 06-01-2007, 01:31 PM
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Crotchety Old Bastard
 
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Check your AAR. If the wire is not hot it will start wide open and stay that way.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 06-01-2007, 01:33 PM
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Quote:
Originally posted by RarlyL8
Check your AAR. If the wire is not hot it will start wide open and stay that way.
not sure what aar is,,can you explain!!
Old 06-01-2007, 01:35 PM
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cheers for help guys ,looks like may have been a bent throttle linkage,adjusted so now throttle body flap is now shut(was lying slighly open before) and it seems to be ticking over fine
got new problem though check out new thread

Old 06-02-2007, 12:03 PM
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