TwinTurbo.NET: Nissan 300ZX forum - I wasn't sure how long the ECU could retain a code
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Subject I wasn't sure how long the ECU could retain a code
     
Posted by -Grimm- on June 23, 2014 at 11:38 PM
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In Reply To There is no way the code was still in your ECU. posted by DVDBURN (MD) on June 23, 2014 at 09:28 PM
     
Message But if it's gone almost instantly, then I would be inclined to agree with you.

I ran Todd's ECU two times for about two minutes each, both times code 55. Hook mine in and within seconds if not instantly I get a CEL.

Spare CAS didn't change anything (was worth a shot).

My ECU is unplugged right now, I'll hook it back up and run codes without starting it.

I'm going to run a compression test tomorrow and see if my cyl 6 plug has fired (changed coil packs).

Another thing that may be noteworthy, with key on power, with key on power I can hear a solenoid clicking near the rear on the engine every 30s or so. Couldn't track it down though. I would say it was an injector but my fuel pressure held

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1992 300ZX NA 5 Sp (Dead)
1990 300ZX NA Auto 2+2 (Dead)
1990 300ZX TT 5 Sp (Building)
2004 G35 Sport 6MT (DD)

     
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