TwinTurbo.NET: Nissan 300ZX forum - Re: Sounds like a Throttle Enrichment problem
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Subject Re: Sounds like a Throttle Enrichment problem
     
Posted by Dragginz on April 07, 2015 at 2:29 PM
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In Reply To Sounds like a Throttle Enrichment problem posted by Cjw3 on April 07, 2015 at 01:17 PM
     
Message Hey CJ,

I'm not 100% certain of the tune, the previous owner told me it was a JWT ECU, ran fine when I first got it - the issue started when I switched to AshSpec IC's/piping, but at the time, I just figured it was a vacuum leak (and there were a few, found and fixed back then, but the problem didn't go away of course).

I'm...hesitant to blame it on the ECU/tune, because the idle isn't particularly stable even with the throttle 100% closed, and I wouldn't imagine new IC's/piping affecting the airflow through the IACV (since at that point it'd be the only source of air to the engine, right?)

Do you think that new charge pipes without a re-tune could potentially be the cause?

     
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