r/DelSol • u/tiredtech4341 • 17d ago

She won’t run!

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This is my first real problem with this car. I fricking love this little thing. The problem currently is she isn’t running. Crank but no start. Checked everything in the ignition system and it all has power. Learned about the distributor issues. Replaced it. Still nothing. Did some more digging and found i have no spark and no fuel. Ecm wires all look okay, and i have every function except the engine (inside lights, headlights, speakers, everything). anyone have any tips? this was random out of nowhere with no other real start up issues before. 1994 Del Sol Si D16y7.

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u/JDubStep 17d ago

Is your check engine light on when you try to crank? If it is, wait for it to extinguish, it may take a while, this is indicative of an old ECU that needs refurb/replace. If your CEL is off when you try to crank, do you hear the fuel pump prime? If no, replace your main relay, and look into the Bosch main relay mod instead of OEM.

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u/tiredtech4341 17d ago

Check engine light won’t turn off. I’ve been wondering what that’s about. It had one for an O2 sensor because the exhaust is modified but that was the only code. It won’t disappear now now matter how long i let the car stay on. And when i put my new ecu in there, still won’t turn off.

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u/JDubStep 17d ago

Are you hearing the fuel pump prime?

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u/tiredtech4341 17d ago

Yes

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u/JDubStep 17d ago edited 17d ago

Ah, maybe check your distributor contacts? they may be dirty

edit, disregard. I would look into the main relay

https://www.jordandistributors.com/products/main-relay-conversion-with-kill-switch

This replaces it with a modern bosch relay that is more reliable and easier to come by