TwinTurbo.NET: Nissan 300ZX forum - Rough Idle
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Subject Rough Idle
     
Posted by Gagej on November 29, 2021 at 3:26 PM
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Message Hey everyone, I'm having a rough idle that will eventually shut the car off if I'm not pressing the gas. I posted about this before and got some advice, but nothing that fixed the problem and the thread is now closed since I got busy for a couple of months. Onto what I have done so far, all the injectors were fine on an ohm test, and the connectors were fine as well. All spark plugs are good. TPS is reading .44 and is working properly. I got a code 34, but it hasn't popped back up since resetting the ECU. I've gotten no other codes and everything seems to perfect Nissan Datascan. The car drives great above 1k RPM but below that it will drop RPMs, shake before finally shutting off. The owner before me straight piped the car, I haven't been able to put the exhaust I got it for on yet. This means there is no backpressure which can't help but I'm doubtful that the exhaust is the issue. Thanks for any advice or input.

     
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