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Ls/vtec no spark

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Old Sep 16, 2019 | 12:18 AM
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Kris Wilson's Avatar
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Default Ls/vtec no spark

Hey guys I'm new to this forum. Sorry if I sound dumb but I've been out for 10 years and finally just acquired a 98 civic with a blow motor. I picked up a ls vtec complete motor and swapped it in and I cant get it to start. I came with a chipped p72 ecu and when I tried to crank it, I get no fuel and no spark. So I slapped on the stock p2p ecu and I get fuel now but still no spark. What do you think it might be? Car is a 98 civic ex stock d16y8 and swap is b18b1 block with gsr head and trans. The car will crank but cant get it to run. The person I bought the motor from said it ran fine before he pulled it and i bought it but I cant figure out why I cant get it to run.
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Old Sep 17, 2019 | 04:35 PM
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Default Re: Ls/vtec no spark


here's what I'm working with so far
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Old Sep 18, 2019 | 01:06 PM
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Default Re: Ls/vtec no spark

Have you tried switching out the distributor with a known good one?

That's where I would start.
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Old Sep 18, 2019 | 07:05 PM
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Default Re: Ls/vtec no spark

I haven't tried swapping the distributor but I did swap out the coil rotor and cap and still not getting any spark. I also changed the plugs and wires with no results. I'm confused. The motor should still start with the p2p ecu correct? Or should I find a working obd1 ecu?
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Old Sep 19, 2019 | 08:53 AM
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Default Re: Ls/vtec no spark

I also forgot to mention, after installing the motor I was being impatient and went to fire up the motor without connecting the starter cable. It was grounded on the transmission and the ground wire from the battery started smoking. I'm not sure if this caused any other damage. I checked all fuses and they seem okay.
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Old Sep 20, 2019 | 12:14 PM
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Default Re: Ls/vtec no spark

Anyone have any ideas?
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Old Sep 26, 2019 | 02:14 PM
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Default Re: Ls/vtec no spark

Help me. I'm getting ready to pay a mechanic.
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Old Sep 27, 2019 | 05:07 AM
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Default Re: Ls/vtec no spark

have you tried a new coil? I see where you said you did cap and rotor...
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