TwinTurbo.NET: Nissan 300ZX forum - Like summer says do the ECU check (in the tech section… easy
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Subject Like summer says do the ECU check (in the tech section… easy
     
Posted by Medallion Man on December 04, 2012 at 10:42 AM
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In Reply To running rich problem posted by newzxguy on December 03, 2012 at 09:43 PM
     
Message A very common issue is the ECU temp sender unit, if not working will make the car run rich… check and clean the connectors (it’s the one with two prongs on the top coolant pipe)

ECU Temp Sensor

A few things should be set at the correct adjustment.
As far as I’m aware these could affect running rich.
O2 sensors might cause issues if not working right as well.

Throttle Bodies

Idle Control

http://z32.wikispaces.com/Throttle+Position+Sensor ]">Throttle Position Sensor

Timing

     
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