sr20 idle problems

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luis741953
Posts: 111
Joined: Tue Oct 10, 2006 10:16 am
Car: 1995 nissan 240sx se

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hey my car will idle funny it goes up to 2000 rpm and then it drops to 1500rpms vey fast it wont stay steady.. can you help me with this??


travisn
Posts: 949
Joined: Wed Mar 10, 2004 11:34 am

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try leak in vacuum hoses or intake piping after maf

nissans13240sx
Posts: 2131
Joined: Wed Mar 01, 2006 12:00 pm
Car: 90 R32 GTR
91 Hatch SR20
93 Coupe KA-T
04 STI

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vac leak

User avatar
FSUDrifter
Posts: 1495
Joined: Fri Jan 13, 2006 7:50 pm
Car: trying to decide on one...

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check for leaks, is it doing this when it's warmed up or cold? It is supposed to idle high when you first start it. If it keeps idling high you may have a bad coolant temp sensor. Don't ask me where it is since there have been like 50 threads about it lately. just search

NSRsheets
Posts: 2000
Joined: Mon Aug 07, 2006 7:07 am
Car: 2009 Nismo 370Z #85,1993 Nissan 240sx RB25DET coupe, 2013 focus

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Could be a bad or clogged AAC.


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