!!!!! RB20det idle issues

Discuss the RB20, RB25 and RB26 series engines.
FuertesX
Posts: 20
Joined: Fri Jun 30, 2006 5:47 am

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Recently installed the RB20det into a s13. It starts up fine but when it gets up to temperature the idle goes crazy. Up and down constantly like its being reved. I got a new MAF but still nothing. Could it be the wiring to the MAF or maybe the O2 sensor? I am lost.


Darius
Posts: 4820
Joined: Sun Mar 02, 2003 9:48 am
Car: RB25DET S14 - 665 WHP (SOLD)
Location: Chicagoland

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My acura did the same thing when the O2 sensor went bad. Idle bounced up and down and it did it irregularly. Sometimes it did it, sometimes not.

FuertesX
Posts: 20
Joined: Fri Jun 30, 2006 5:47 am

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Yes.. it seems to only do it after it starts to warm up. The O2 sensor is slightly dented...... mabe thats is it ?


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