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98 Civic/d16y7 manual - not starting, pump primes, but no spark

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Old 10-10-2012, 01:38 PM
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Default 98 Civic/d16y7 manual - not starting, pump primes, but no spark

I've cleaned IAC, changed the Dizzy(but i returned it) after i found out thats not the problem.

Any suggestions?

I hear priming from fuelpump and the main relay makes 3 clicks..

suggestions?
Old 10-10-2012, 01:42 PM
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Default Re: d16y7 manual not starting..

CEL?
Old 10-10-2012, 01:51 PM
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Default Re: d16y7 manual not starting..

None.
It shows nothing.
Old 10-10-2012, 01:54 PM
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Default Re: d16y7 manual not starting..

Starter cranks? Any resent work done?
Old 10-10-2012, 02:06 PM
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Default Re: d16y7 manual not starting..

1. Does the motor have spark? pull the plugs and ground them, have assistant turn the key and watch for the arc
2. Does the motor have fuel? Sounds like your fuel pump is working at least pumping. The fuel pressure could be a cause but then I would first check compression.
3. Does the motor have compression? Put a gauge on on it and report the cylinder pressures. Wasting your own time skipping this step.
Old 10-10-2012, 02:51 PM
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Default Re: d16y7 manual not starting..

Originally Posted by 97civkid
Starter cranks? Any resent work done?
Yes It cranks.
I've changed the main relay just now, and its the same.
and i hear the fuel pump prime.
and Yesterday i cleaned up the IAC, and it was dirty.
I thought that cleaning that might let it sit and run if it starts up.
Originally Posted by Checkmarks
1. Does the motor have spark? pull the plugs and ground them, have assistant turn the key and watch for the arc
2. Does the motor have fuel? Sounds like your fuel pump is working at least pumping. The fuel pressure could be a cause but then I would first check compression.
3. Does the motor have compression? Put a gauge on on it and report the cylinder pressures. Wasting your own time skipping this step.
1. No, i've even put a screw driver in it and grounded it and it didnt make any spark.
2. Yes, its been sitting for 3-4 days. other than that no.
I have no idea how to check the fuel pressure, but I can search it if no one gives me a guide.
3. I can check that. I guess.

Last edited by mehran; 10-10-2012 at 03:09 PM.
Old 10-10-2012, 03:08 PM
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Default Re: d16y7 manual not starting..

For compression test you need a compression tester, do an ohms test on the dizzy coil, and check all fuses/grounds, did this just happen one day? Buy it like that?
Old 10-10-2012, 03:17 PM
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Default Re: d16y7 manual not starting..

Originally Posted by 97civkid
For compression test you need a compression tester, do an ohms test on the dizzy coil, and check all fuses/grounds
I did before i changed the dizzy itself. It was bad, but Still when i got the Distributor nothing happened.

And i got a question, can i check the 10p connector on the distributor, but not the male part, the female part.

I want to know where that goes so i can follow that up.. because what ever it is.. Its not working before the dizzy. Thats what im thinking.
Old 10-10-2012, 03:28 PM
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Default Re: d16y7 manual not starting..

Is ye female the dizzy part or harness part? If its the harness, yes, test each prong while someone is rolling the car over
Old 10-10-2012, 03:34 PM
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Default Re: d16y7 manual not starting..

do you have spark
Old 10-10-2012, 03:36 PM
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Default Re: d16y7 manual not starting..

Originally Posted by 10psiLsEf2
do you have spark
Read the thread?
Old 10-10-2012, 03:40 PM
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Default Re: d16y7 manual not starting..

^ sorry


I usually dont read full paragraphs. ive had this issue since i can remember lol.


Ok Is Crank postion sensor connected? Broken,Wires cut? etc... any visual problems.
(you can locate this sensor right above the harmonic balancer pulley.
Old 10-10-2012, 07:54 PM
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Default Re: d16y7 manual not starting..

Originally Posted by 97civkid
Is ye female the dizzy part or harness part? If its the harness, yes, test each prong while someone is rolling the car over
Yes the harness part. the one that the wires kind of come from the passengers side. (atleast thats how i think it is.)

And should i test it with a ohm meter?
like this picture has:
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Originally Posted by 10psiLsEf2
^ sorry


I usually dont read full paragraphs. ive had this issue since i can remember lol.


Ok Is Crank postion sensor connected? Broken,Wires cut? etc... any visual problems.
(you can locate this sensor right above the harmonic balancer pulley.
I dont know, but since i dont know what a harmonic balancer pulley is,
Is this CPS right beside my Starter? and like close to the left of my dizzy?
Old 10-10-2012, 08:10 PM
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Default Re: d16y7 manual not starting..

No it's on the drivers side were all the pullies meet, and you just need a test light and and stick it in each port while someone cranks the motor
Old 10-10-2012, 08:57 PM
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Default Re: d16y7 manual not starting..

Originally Posted by 97civkid
No it's on the drivers side were all the pullies meet, and you just need a test light and and stick it in each port while someone cranks the motor
oh kk.

i'll try it tomorrow for sure. I hope that is the problem.
Old 10-10-2012, 10:46 PM
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Default Re: d16y7 manual not starting..

Mehran,

Ditch the compression check, no need since you have no spark.

When I first got my Honda my distributor was dead. To absolute check I took the dizzy out and bolted "through the lower bolt hole of the distributor" into the upper bolt hole. This is such that I could manually spin the distrib with my fingers.

Key in the run position. This allows for listening to the injectors fire and spark. One caveat the grounding wire from the power steering pump to the body ground near the AC condenser needed hooked up. It is possible that a 'new' distributor can be a bad distributor. When I paid for my new dizzy it cost $160 plus core $90. That hurt but the new one worked for me.

When you try this move testing the dizzy can you hear the injectors spitting and still no spark. No need for a screwdriver grounding, good way to get zapped. The plugs will be very obvious when they fire.
Old 10-18-2012, 10:35 PM
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Default Re: d16y7 manual not starting..

Originally Posted by Checkmarks
Mehran,

Ditch the compression check, no need since you have no spark.

When I first got my Honda my distributor was dead. To absolute check I took the dizzy out and bolted "through the lower bolt hole of the distributor" into the upper bolt hole. This is such that I could manually spin the distrib with my fingers.

Key in the run position. This allows for listening to the injectors fire and spark. One caveat the grounding wire from the power steering pump to the body ground near the AC condenser needed hooked up. It is possible that a 'new' distributor can be a bad distributor. When I paid for my new dizzy it cost $160 plus core $90. That hurt but the new one worked for me.

When you try this move testing the dizzy can you hear the injectors spitting and still no spark. No need for a screwdriver grounding, good way to get zapped. The plugs will be very obvious when they fire.
Ok, I did ditch the compression test, because for some reason i am really out of money now. Kind of. till i return the dizzy again lol.

Well, Today when i went to check on it, i decided to take my spark plugs out, and it was filled with gas. So, what i did was I dried them, and let the air filter open and let the spark plugs out for the night till it evaporates. I hope i did the right thing.

Then, What i don't get is, I checked the dizzy and power is not going to the dizzy. what can be the problem?

So if its not these.
1. dizzy
2. main relay
3. fuel pump

Can it be:
1. ECM/PCM
2. integrated control unit behind the fuse box.

The reason why i am saying that its one of these is because my fuse 31 isnt giving any voltage from either side tabs. and I have no idea if its the number 1 or 2. (didnt want to type them out again).

If anyone helps, I'd appreciate it.

and I am going to check the G101 wire, tmorrow.
--
putting info again for new people reading this:
Honda civic 1998 lx, d16y7 engine, manual.
Old 10-19-2012, 12:10 AM
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Default Re: d16y7 manual not starting..

anyone bump.. help a civic fan out plz... ;D
Old 10-19-2012, 09:31 AM
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Default Re: d16y7 manual not starting..

help plz.. bumpingg


hellppppzzz
Old 10-19-2012, 11:48 AM
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Default Re: d16y7 manual not starting..

No one?? seriously.
Old 10-19-2012, 12:09 PM
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Default Re: d16y7 manual not starting..

Did you replace your ECU? If not, then it's time.
Old 10-19-2012, 12:42 PM
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Default Re: d16y7 manual not starting..

Originally Posted by Ryan Lwin
Did you replace your ECU? If not, then it's time.
I haven't. I was waiting for someone here to confirm it.

And do you think that i can get it checked somewhere to see whats wrong with it?
Old 10-19-2012, 12:49 PM
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Default Re: d16y7 manual not starting..

Yeah. Put it in another car with same ECU.
Old 10-19-2012, 08:24 PM
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Default Re: d16y7 manual not starting..

Sorry for the delay in response.

You say you had the plugs out and the cylinders were filled with fuel? Tell me more about this. Was there so much fuel it 'sprayed' out the cylinders when cranking? Well there's your problem. Kidding aside, raw fuel flows down the rings into the oil, keep an oil change in mind in the next few miles.

IF the raw fuel is cleared did you try hooking up your distributor such that the camshaft/dizzy was accessible and give a finger spin? Did the plugs fire or the injectors do their injection voice?

Still you must differentiate between spark or fuel, or you just get everybody's guesses. From what you wrote it sounds like you have injectors holding open dumping in fuel.

Test the distributor like mentioned above in my other post. Another means of testing spark use a timing light. Hook it up to any plug wire and watch the blue light flash when you crank on the motor.

It can be the ecu/pcm or lots of thing yet. Might be this, might be that (bent valves, warped head, camshaft key broke, mouse ate a wire somewhere) ... Put a halt to try this try that. What do you know about the car, example owned three years all of a sudden it just died?

How did you check if power was getting to the distributor? One point I can think is the distributor must be grounded ie: one of the wires in the plug in needs grounded before the ecu will send power to the distributor. Then too many possibilities to bother before getting aboard that train.

Cheap man's way and cost nothing distributor test. See my above post with respect to testing the distributor. It only cost one 12mm wrench, two bolts (holding the distributor) and four spark plugs if you don't have a spark plug wrench. This way also tests if the injectors are clicking (firing away).
Old 10-20-2012, 12:24 AM
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Default Re: d16y7 manual not starting..

He already did the test. He already checked everything. It's obvious that it's ECU. He flooded fuel inside cylinders because he kept cranking without spark. So, fuel pump kept pumping fuel into the chamber. Replace ECU and it'll be good to go.


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