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Engine shuts off when warm??


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Hey guys, just bought a 80 280ZX and whenever I start up the car it fires right up no problems but after I let it warm up for about 15 mins it slowly loses its idle and eventually just dies out. After that happens I cannot start it up until its cold again. Any ideas on what the problem could be? I would really appreciate any help : )

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  • 4 weeks later...

put a voltmeter on your fuel pump, I have the same problem,  found out the voltage was dropping due to my cheap alarm system,  from 13.5 down to 9 when the system arms itself, takes a minute or two to drop.    ps i have the z31 ecu swap and this reverses fuel pump polarity at the relay, never died before the upgrade.

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