TwinTurbo.NET: Nissan 300ZX forum - 9 Years after, still safety boost, didn't found the cause
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Subject 9 Years after, still safety boost, didn't found the cause
     
Posted by Nicko500 on July 02, 2017 at 5:20 PM
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Message Hello,

Time is running too fast :)
9 years after this post, I still didn't found the cause of safety boost.
2009 - All is OK but Safety Boost


During this time I was very happy to found and fix a intake leak, but unfortunately it didn't fixed the problem.
During this pull I forgot to replug the main knock sensor, but I have another one bolted on cylinder head that still detect knock.

So the car is still running with sensor bypass.

I read again this old post, and guys suggested VTC or O2
So I checked them lately.

VTC:
Youtube VTC active test


VTC are clicking individually when tested with engine OFF

O2 values look not so bad, even if a sensor looks more sensitive.

Any suggest ?

O2 :

     
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