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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 12-14-2013, 02:13 PM   #1
jahjahsqc
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Default Car won't start

History:
This is my frist rotary. But Ive worked on plenty of cars before. Bought the car from a coworker. He had popped the old motor and was going to put in a new motor he got from his work(unkown miles but was running strong when pulled. Has goopy apex seals and street port), haltech and a big turbo(i think?). But he sold it to me. I just want a nice running car. So I put the factory harness back in, factory ECU and factory turbo. The motor had set for at least a year or longer before I got it. It had been "pickeled" with ATF.

What I've replaced
All new water hoses. Samco radiator and all other OEM. OEM gaskets. Before installing the wiring harness I looked it over and it was crunchy and the injector connectors were toast. I soldered/heat shrunk four new connectors on. I've done many complete megasquirt custom harnesses and splice jobs and never had a problem with my connections. I put in OEM plugs. Car has new factory plug wires, corksport intake pipe, corksport charge pipe, stock intercooler. Injectors were tested and cleaned. Pretty much everything is stock.

Which leads me to...
It will not run. I have double checked connections. I made the engine harness is grounded to the factroy location. It has spark. I can smell fuel in the exhaust. Pump is pumping just fine(walbro 255). I rigged a test light, primary injectors are firing. I have no blown fuses. I've tested timing and the mark is exactly matched up with the pin on the front cover when firing. (is this right?) I've also tried turning the crank sensor all the way out either way and no change. I've also done a compression test. Engine bumps 90 psi. The thing that really confuses me is... I havent heard it fire once. No sputtering or anything. No backfiring.

Any ideas in which direction to go next?






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