R32 RB20DET odd idle issue - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

emericareaper2 · 08-28-2017, 07:38 PM

Hopefully I can get some help with my R32! Car runs & drives fantastic. Except for this odd idle issue. It acts the exact opposite of how it should. On a cold start, it has a very low idle. But at operating temp & coming off throttle, it has a much higher idle around 1500 rpm. When warm, it was stay around that for a few seconds, then very slowly come down to around 1k rpm.
I haven't looked into the issue at all yet. Boost leak? AAC valve? Throttle position sensor? Just wanted to get some ideas before I start digging into it.
Thanks!

08-28-2017, 07:38 PM	#1
emericareaper2 Join Date: Aug 2017 Location: Indiana Posts: 5 Trader Rating: (0) Feedback Score: 0 reviews	R32 RB20DET odd idle issue Hopefully I can get some help with my R32! Car runs & drives fantastic. Except for this odd idle issue. It acts the exact opposite of how it should. On a cold start, it has a very low idle. But at operating temp & coming off throttle, it has a much higher idle around 1500 rpm. When warm, it was stay around that for a few seconds, then very slowly come down to around 1k rpm. I haven't looked into the issue at all yet. Boost leak? AAC valve? Throttle position sensor? Just wanted to get some ideas before I start digging into it. Thanks!

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