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
  This message has been viewed 249 times.
     
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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