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Stumped on Spark...

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cait sith

20+ Year Contributor
2,037
15
Nov 22, 2002
Brooklyn, New York
Wooo doggies... I've got an issue that I can't seem to track down with my electrical system, spark to be specific.

Yesterday, on my preliminary final test drive after triple checking everything, I started to try to drive it to school, and at a nice 4 way intersection I launch the car off. Boom! Car starts slowing down with no revs, and I immediately know it's the coil pack.

I order a new coil pack from Conicelli, and have it shipped for today.

Well, I reinstalled the coil pack, and the car still doesn't work.

Symptoms:

Car turns/cranks over constantly, like normal starting, but with no spark.

Electrical pulses are being sent to the injectors, so it's not the fuel system.

Compression is even across the board.

All fuses are good.

Problem: From the Triangle style connector spark, I'm getting constant power. From the coil pack itself, I'm getting no spark at all. This is a brand new coil pack with new plugs/wires. My only guess is I'm missing a ground wire somewhere, but I can't see anywhere that would be around that. Anything (Wires, grounds?) I should check out would be appreciated.

Thanks!
 
This may sound a little off the wall but try unplugging the plugs and letting the motor spin over, it sounds like the gas is puddling up on top of the pistons and believe it or not can be putting out the spark plugs and not leeting them fire, basically it's kinda like flooded.
 
Did you check the fuel pressure? Just because you have injector pulse doesn't mean fuel is getting injected.How do you know the coils are not producing spark?how did you test them?CAS?
 
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