Hey, i have spent all day on here trying to find answers.i have a 94 civic with a d15b3 carby motor.. all stock standard as far as im aware. Have had it for a year, and never had any issues worth worrying about.

A week ago it 'run out of gas' which im sure thats actually what happened as the gas was low, but when i put fuel in it it didnt start.
I've checked all the fuses, grounds, fuel is reaching the cylinder, although i cant hear the pump ive never been able to hear the pump since buying it. Its not timing belt as rocker arms still move when cranked.
Assumed it was dizzy, so bought a whole new dizzy, replaced that, still no start. Since getting a new one iv got a ohms reader and it appears my dizzy, rotor and icm are okay but appears the coil is bad.

Replaced the whole distributor unit, but since taking the old on out iv aquired a ohms reader and everything except the coil in the old distributor and the spark plug leads seems to have resistance.
I suppose its not really a question but i just thought it was abit strange all 4 leads went at the exact same time.. would the coil do this? Everything was installed carefully in the correct position.
Am i missing something simple? Im prepared to replace the leads i just want to check i haven't missed anything
Heeelp a girl out 🤞

 

How are sure fuel pump is working? Usually running a honda pump dry is how they die.

Your fuel pump might be on the back of the engine head. This would be a reason you have never heard it.

i will reread your post and add more info when I can. Working on mobile phone has its limitations.

Coil does provide spark to all four leads. Ill look up coil tests when I get home. Your carby motor should be relatively close to our 1.5 efi distribution systems.

what model dizzy is it? Ours are td42u and td41u if I recall.

 

@nzhondaGirl This is the fsm page for the coil for a 92-95 USDM civic which means it's for the Electronic Fuel Injection (EFI) motor, not your carb variant. However, it may give you some insight on how to test your coil.

 

So from what i could gather after spending hours reading this pages forums, and YouTube videos, the coil on the old distributor went bad, the new one how ever works but still no start.
This sounds like a noob question, but would the coil going bad cause the leads to get fried? Cause not a single lead is creating spark now.
I will look for the fuel pump at the head. But i can strongly smell fuel when it cranks so im assuming the fuels not the issue.

 

You ohm test the spark plug wires (leads). Not likely all 4 would go open simultaneously but I guess it's possible. Typically the coil is bad if you are not getting spark through all 4 leads. How did you test the coil on the new distributor? Maybe the coil is not making proper contact with the cap so the rotor cannot do it's job. Or, the coil is super weak and cannot make the jump from the rotor to the cap pegs that go to the spark plug wires.

I would replace the coil in the old distributor and go back to it. I suspect your "new" distributor is not OEM and non Honda OEM distributors are known to be junk straight out of the box.

 

Yeah i know its not likely with the leads to all go at once i changed the whole dizzy with a new coil etc and still nothing so i had tk ask them stupid questions lol i used this forum as my bible, checking multiple posts, watching million videos, to ensure i was checking everything i could correctly.
But i stupidly self diagnosed the problem to start with before i had an ohms meter, or a mechanical friend (iv built couple injected vtecs but not a carby and everything feels so foriegn with no injectors, coils etc.
Once getting that the ohms reader i tested everything i had infront of me, in The car and old parts purely cause i was stumped and wasnt sure what else to do 🤦 and was just trying to diagnose after the fact so i could figure out parts i may need before spending anymore money as i already got a dizzy for $150 second hand and the coil itself is 115 new from parts store lol.
BUt yeah im pretty positive its 100% the coil in my old dizzy thats gone bad. Am going to try put new coil in old dizzy as its in better condition than the one i just got. Hopefully thats the issue.
​​​​​could either of the CPS, TDC, CKS make the car not spark? As iv found conflicting information. If the coils definitely bad, are they known to die aswell? I havent found any info on how to check the sensors are alright

 

By the way thank you so much i bet its hard to understand what im trying to say. I would normally have someone come check and confirm that what im saying is correct so i don't give wrong information but 2weeks later I'm done looking at her sad and miserable lol.
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As far as I know, there is a few things that will prevent spark. Such as ground 101 on the thermostat housing. That is the primary ground for the dizzy and signals to the ECU.

 

Heey sorry for the delayed response.. it's been abit crazy lately.

So it was the ICM in my distributor, got a new dizzy that i was told was good but wasn't, replaced the icm, car starts and runs now. But was dying when it would get warm, when the automatic choke would turn off... I had done the dizzy replacement without any timing light, i also dont have a rpm gauge in my dash cluster so i knew it was likely timing being slightly off.Have since put a timing light on the car, everything is as it should be, timing is as per manufacturer settings.
But car still dies when the temp gauge hits warm... Ill be driving and itll just start struggling and die. Now to figure that out it has to be something to do with the thermostat/ some sensor or the likes as I've never noticed my radiator fan to work, its never caused me an issue until now but im sure that cant be helping 😂