TwinTurbo.NET: Nissan 300ZX forum - Sounds rich
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Subject Sounds rich
     
Posted by jerdobi on July 04, 2013 at 4:41 PM
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In Reply To well.. run your diagnostics 1st (n/m) posted by BarryGZX on July 04, 2013 at 11:14 AM
     
Message Run diagnostics on it and if no codes then have a O2 sensor bund installed and most shops can install temporarily a wideband O2 sensor and do a fuel mixture test at idle and up to 5K. If you've installed injectors lately, they could be rich for the ECU. Or, another guess is a leaking injector or leaking seal around an injector. Of course, these are all guesses as I ran my 300ZX rich with the wrong ECU tune and it had same behavior.

     
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