92 ex no spark

[Lildamien956]

I have a 92 EX that will crank but won't start. I live in Harlingen, Texas. So it is always hot. At first my car on a cold start it would take at least 10 minutes for my car to turn on. These past few months it's been taking longer than 20 minutes to start my car. last week my fuel pump wentout due to excessive starting. I went to orielly's and bought a new import Direct oe replacement fuel pump and now I don't have spark.I went ahead and also bought a distributor, rotor, and an external coil all from import direct. The sparkplugs, wires, and cap are at least 3 months old. I also have two main relys and two ecu's a pt6-a51 and a pt3-a03. I have test lighted the coil it has fire coming in but none going out. if anyone has information on helping me out it would be greatly appreciated thank you

[deevergote]

It sounds like you may have gotten a defective coil.
You're 100% certain it's spark, and not fuel, correct? Just to make sure... as I've seen many people assume it was a spark or fuel issue, when it was actually the other.

If you have a "u pull it" junkyard near you, you could do what I do... go snag a few igniters, coils, main relays, and whatever other useful parts you can find. Many yards will let you take those things for free, or for very little money. It's a little more work swapping parts in and out, but it saves money over buying brand new parts just to troubleshoot.

[Lildamien956]

I know its not fuel the car was running when it shut off. I would turn the key on And didn't hear the pump. So changed the main relay and nothing. I bought the pump and installed it. So now I hear it on and it gas pressure to the rail. I've also changed out the injector module and bought some starting fluid and it only cranks over.I had already bought the new distributor months ago and took it back for a warrenty return thinking maybe the ignitor was bad and bought the coil also while I was at it. And still nothing.

[deevergote]

I would exchange that coil. It sounds like that may be the issue, if a test fire wasn't producing results.

Also, how are your battery connections and grounds? I had an issue years ago where my battery connections were corroded. I replaced the battery and a bunch of other parts, and the car would still not start (cranked only.) I cleaned the battery connections, and it started just fine!

[Lildamien956]

I will check for a bad ground connection. Could there be any other explanation for this maybe a hiding fuse or relay that controls the spark

[deevergote]

None that I can think of, though my own car has been parked for a few years now... so I could be forgetting something.

Don't discount the possibility that the new components you installed could be faulty. It happens quite often, especially with the cheaper aftermarket parts. I've seen MANY people on here refuse to admit that their new part was bad, and they ended up wasting even more money unnecessarily replacing everything else they could think of instead!

[Leung]

A buddy of mine recently had an issue where he couldnt get his car started either. After replacing the fuel pump and testing a different ecu like you did, it turned out to be the electrical part of where the key is inserted in was what that went bad. He ordered a new one off of rockauto and has been fine ever since.

[deevergote]

That would result in no power getting to the starter though, wouldn't it? If the ignition switch was bad, the car wouldn't even crank... I had that issue (turns out my friend just unplugged my ignition switch while he was helping with a clutch master cylinder replacement, and I didn't realize it!)

[Lildamien956]

Well I check for a ground issue with a test light but found out that car has plenty of ground. I try to start it again with starting fluid but no success I even changed out to a different ECU, and still nothing. I thought about the ignition but when I first bought the car it would not start at all, so I bought a new ignition harness. So I know it can't be an ignition problem either

[Lildamien956]

Is there anything else under the dash that would control spark

[Leung]

Just for shits and giggles, can you check the fuse marked radio under the hood? The same buddy before said that fuse blew and he couldnt start the car also.

[Lildamien956]

I have checked the fuses visually and with a test light under the hood

[Lildamien956]

Update- I went to my local u pull it and I bought myself another computer. with no luck trying to get my car turned on I decided to look around under the dash. where is the fuse box is,inbetween the fuses and relays, there is a (black or brown) module. After gettin it open and noticing it was burned I got another 1 but still no luck turning it on. can someone tell me what this module is and what its for.

[F20A CB7]

There's a 10mm bolt under the thermostat housing.. remove that, sand the area and put bolt back in.

That's the ground.. u can try that takes a few mins. If that ground int makin contact there will b no spark.

[Lildamien956]

well actually on my car that ground is bolted to the frame near the transmission mount. as I mentioned before I have checked all grounds with a test light, including that one.