TwinTurbo.NET: Nissan 300ZX forum - FPR will have nothing to do with it.
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Subject FPR will have nothing to do with it.
     
Posted by CoHPhasor on February 26, 2011 at 6:44 PM
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In Reply To Black sparkplugs on drive side posted by slcZ32 on February 26, 2011 at 11:52 AM
     
Message The entire system is connected, so one side wouldn't be off-balance.

Since it's an entire side you'll need to look at what would affect an entire side.

O2 is a good place to start, and no, you shouldn't use carb cleaner on an O2 element.

If you don't have a BlaZT cable and software, you should get one, or have a friend come over who has one.
You can look at separate O2, A/F base, and duty cycles for LH and RH sides.

Also remember, the opposite side turbo feeds that side's air.
Check the IC and turbo passages for blockages.
There may be a rag stuck in a passage. (You *did* say this motor was just put back together right?)

Although the O2 is a strong possibility, so is the stuck rag approach, check for rags first.

     
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