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84 300zx dies in 20 minutes of driving

01-15-2009, 07:47 PM
My friends z31 dies after 15-20 min of driving, like turning off the key. Cools down a little and fires right up and drives for another 15min. He lives some distance from me so I will need a good idea where to look. I found the distributor harness corroded and replaced it last time I was there, at least now it starts. He has replaced the coil and the ecu. Something is triggering the ecu any guesses?

02-22-2009, 11:44 PM
it sounds like a voltage regulator problem

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