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280z won't start


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Alright well my 77 280z wont start. ive gotten it to idle for 5 secs, only if it has sat for a day or so. My fuel pump wasn't cycling so i swapped efi relays which both tested good. but still no cycling so then i just bypassed the relay. Im thinking it is the computer which has pins 19thru 26 missing,anda pin goes to the efi relay.Could it be the computer is the wrong year ? the # is A11-600-000-000. Is that right for an early 77? Also im not getting any power to the injectors, they had like .70 volts while cranking(digital voltmeter). Im thinking it is wiring from the battery to the ecu. Is there a inline fusible link on the negative battery terminal for the efi? Any ideas on what it could be would be great.

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Did the car ever start? I'm pretty sure s30 computers were pretty much the same, they got a little different later on but still your computer, if not fried, should be able to start the car. Have you checked the FSM to make sure the fuel pump itself is good? Do you have spark?

Edited by jhill
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  • 7 months later...

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