TwinTurbo.NET: Nissan 300ZX forum - Re: new engine running real rough
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Subject Re: new engine running real rough
     
Posted by Goldchocobo on March 01, 2015 at 9:34 PM
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In Reply To new engine running real rough posted by jhop1988 on March 01, 2015 at 07:31 PM
     
Message First thing I would check is your throttle position sensor. Check the FSM or the many guides on this forum for a how to, if you need it.

Regarding oil pressure, and besides the obvious (proper oil type, levels), are you reading off the stock gauge? If so, on my two Z's (NA and TT), oil pressure at idle never really exceeded past the 1/8th area on the gauge. I'm told this is normal.

Lifter tick - likely needs to be warmed up and broken in properly. If it continues, try a flush such as auto-rx, or the xtreme stuff Z1 sells.

Finally, give the whole thing a good go-over and search for possible boost leaks, or unplugged/leaking vacuum lines.

     
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