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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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Old 02-25-2009, 06:10 PM   #1
nonturdbo
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ok this is going to be a very complicated thing so just bear with me for a second.
i have an 86 rx7 n/a. right now the fuel pumpis not turning on. the the circuit opening relay is not working. because it is not getting a ground form the brown wire. i jumped it with a ground so that the pump would turn on but the car still does not start. it just floods the engine. now i tested the afm and it seems to be fine from what the shop manual says so now im stuck with a constant ground it floods with it just wired normally it does not even turn on. here is the wire diagrahm for what im talking about
http://www.cochran-racing.com/FSM/s4...NG_DIAGRAM.pdf
the relay im talking about is on page 30 its marked f-08 and the brown wire is not getting a signal what should i check next it is so close to starting and i just want to finally drive it
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Old 02-28-2009, 11:33 PM   #2
NoDOHC
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If I understand your problem correctly, the brown wire going to the fuel pump needs to be grounded for the fuel pump to operate. This is the way the system should work. I don't know why the brown wire is not connected, but it should be grounded all the time.

The flooding is a different issue. If you ground the brown wire coming from the fuel pump and then follow the de-flooding procedures found elsewhere on this forum, you should be able to get the engine running. If you can't, I suggest a poor mans conpressions test (listen/feel for even strong pulses out the spark plug hole when cranking).

I don't see any fuel pump relay identified on page 30 of the manual, but I can tell you that the circuit opening relay is just above the brake pedal.

I wish I could be of more help, try the de-flooding and let us know how it goes.
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1991 Coupe (KYB AGX Shocks, Eibach lowering springs, RB exhaust, Stock and Automatic)
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