sr20 idle off and exausht note off after warming up - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

s15ca · 12-02-2017, 11:19 AM

runs awesome when it starts up cold, and continues to run properly unless the vehicle gets shut off and restarted when it is still warm.

the symptoms are:
engine shaking
idle off
exhaust note sounds like it is fluttering
vac sits at 14-16 ( when started cold usually sits at 18-20)

any help would be awesome

unicoder · 12-03-2017, 02:46 PM

well since you say vac is at 14-16, leads me to believe a boost leak or vac leak somewhere.

I just had a similar issue that ended up being a MAF.

You can turn your ac wide open and see if it helps. Might be an IACV issue

12-02-2017, 11:19 AM	#1
s15ca Join Date: Sep 2017 Location: edmonton Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	sr20 idle off and exausht note off after warming up runs awesome when it starts up cold, and continues to run properly unless the vehicle gets shut off and restarted when it is still warm. the symptoms are: engine shaking idle off exhaust note sounds like it is fluttering vac sits at 14-16 ( when started cold usually sits at 18-20) any help would be awesome

12-03-2017, 02:46 PM	#2
unicoder Zilvia Member Join Date: Apr 2017 Location: Alabama Posts: 160 Trader Rating: (2) Feedback Score: 2 reviews	well since you say vac is at 14-16, leads me to believe a boost leak or vac leak somewhere. I just had a similar issue that ended up being a MAF. You can turn your ac wide open and see if it helps. Might be an IACV issue __________________ 5.3 V8 Swap w/ Nitrous

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