1987 nissan 300zx starts but wont stay running

Asked by May 06, 2013 at 09:50 PM about the 1987 Nissan 300ZX 2 Dr GS

Question type: Maintenance & Repair

its hard to start then dies out after a few seconds but once in a while it will run for maybe
30 minutes

6 Answers

120

I have the same problem and working on it. I have found a few connectors that were corroded. I also found my ECU wont turn on it is not getting power from the ignition switch. here are some places you can look. Passenger side behind that battery is your fuel pump relay also passenger side behind the seat another relay. your car is shutting off because the pump is loosing power

1 of 1 people found this helpful.
120

OK here is the fix. check both relay connections fixed my problem, Fuel pump relay by the battery and blue relay behind the passenger seat you have to remove the side panels for that one and you have to remove the battery to get the fuel pump relay.

1 of 1 people found this helpful.
70

1989 zx300 fuel pump relay location

7 of 7 people found this helpful.
70

my injector 12volt all time with out switch

So I've got an '89 300zx and I'm having a problem where the car runs perfect, but only for 30 seconds, on the dot. I've replaced the relay behind the passenger seat, but haven't checked the relay behind the battery yet. Would there be any other problem causing this?

Try checking your fuel pressure regulator

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