been working on my swap - Page 3 - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

b4l · 06-01-2013, 08:01 PM

i checked about fuel and the car is geting fuel ove 45ps1 the sparkplug smells like gas. spark is an other thing. when i took out my spark plug the car sounded like it was about to fire, and the spark plug was not firing. i checked it with a metter and it has 5v going to each one. could all my coil pack be bad. could this just be a bad cas. the guy i got the engine from on this website says that the cas should be good after all he just took it out from his car not to long ago.

ShadowMan · 06-01-2013, 08:26 PM

One way to find out if your getting spark and this is how I do it, is to:
1. Find a friend
2. Pull fuel pump fuse
3. Pull a coil out but leave it plugged in, insert a spark plug into coil, hold it close to bare metal on the car but don't touch it to the car, have friend turn car over like he's trying to start it, and watch for the spark.
It's the best way I've found to make sure spark plugs are firing. If you already knew this then my bad, if not then you learned something new. It just sucks because you need a pal and they are not always around. Unless you have a remote start, then you can be your own best friend and tell yourself jokes while you work and get pissed at yourself when you fuck something up.

b4l · 06-01-2013, 08:36 PM

already did this idea lol. im stumped right now. only thing that i can think of is that i have the wrong harness and will need to start depining shit and get it to were it goes but thats the last thing on my list. another member just told me to check compression if its good then take off fuel rail and check that.

ShadowMan · 06-01-2013, 09:21 PM

Well you definitely need to make sure you're not flooding your cylinders due to a leaky injector o-ring. You can pull your dip stick and see if it smells like fuel, or pull the rail and injectors to make sure non of the lower o-rings came unseated when you inserted them. If that is the case, it would be a good idea, actually a neccesary idea to pull the fuel pump fuse anyway and give it a couple of dry start priming cycles for like 15 seconds or so, just to let those oil sprayers lube everything back up. You should do that any time the motor has sat for over a week without being started IMO.
So when you checked for spark, were you seeing spark on any of the plugs, or just a couple or just 1? You didn't say. If they are not firing, some contributing factors you could try would be to unplug the connections to your coil packs, the coil pack harness, and the ignitor and spray them with an electrical cleaner, any auto parts store will carry it for a few bucks. I notice sometimes when I unplug the ignitor and plug it back in, the car will misfire because I did not fully seat the plugs into the ignitor. The first time it happened that one stumped me for an hour. Might also be a good idea to go pick up a few extra sets of spark plugs just in case you continue to have flooding problems. Fouled plugs are the source of many headaches and often overlooked. Hope any of this helping, I want to see this pig fire up and snort.

b4l · 06-01-2013, 09:30 PM

cool thanks i will try all these ideas on monday because we are having a graduation party 2maro. thanks and well update when i get the chance. if anyone else has ideas plz post thanks

Sileighty_85 · 06-01-2013, 10:39 PM

Quote:

Originally Posted by b4l

it was coil number 4 or the one closest to the radiator. that coil was burning hot when i tryed to turn it on and then it melted

No offense man, but I think you are in over your head if you don't know the proper cylinder locations.

b4l · 06-01-2013, 10:44 PM

Quote:

Originally Posted by Sileighty_85

No offense man, but I think you are in over your head if you don't know the proper cylinder locations.

Ha look i could get all tech sawy and put shit from fsm, but ant nobody have time for that. so if your going to say something like that plz keep it in your head and unsubsribe to this thread.

Sileighty_85 · 06-02-2013, 10:41 PM

lol being tech savy is calling componets what they really are?

if you go to a mechanic and tell him to replace the #4 coil pack and when you really need #1 replaced and shit still doesnt work right, im pretty sure your gonna wish you were "tech savy".

06-01-2013, 08:26 PM	#62
ShadowMan Zilvia Junkie Join Date: Jul 2011 Location: oceanside, CA. Posts: 538 Trader Rating: (4) Feedback Score: 4 reviews	One way to find out if your getting spark and this is how I do it, is to: 1. Find a friend 2. Pull fuel pump fuse 3. Pull a coil out but leave it plugged in, insert a spark plug into coil, hold it close to bare metal on the car but don't touch it to the car, have friend turn car over like he's trying to start it, and watch for the spark. It's the best way I've found to make sure spark plugs are firing. If you already knew this then my bad, if not then you learned something new. It just sucks because you need a pal and they are not always around. Unless you have a remote start, then you can be your own best friend and tell yourself jokes while you work and get pissed at yourself when you fuck something up. __________________ in any situation....thou shalt blaze

06-01-2013, 09:21 PM	#64
ShadowMan Zilvia Junkie Join Date: Jul 2011 Location: oceanside, CA. Posts: 538 Trader Rating: (4) Feedback Score: 4 reviews	Well you definitely need to make sure you're not flooding your cylinders due to a leaky injector o-ring. You can pull your dip stick and see if it smells like fuel, or pull the rail and injectors to make sure non of the lower o-rings came unseated when you inserted them. If that is the case, it would be a good idea, actually a neccesary idea to pull the fuel pump fuse anyway and give it a couple of dry start priming cycles for like 15 seconds or so, just to let those oil sprayers lube everything back up. You should do that any time the motor has sat for over a week without being started IMO. So when you checked for spark, were you seeing spark on any of the plugs, or just a couple or just 1? You didn't say. If they are not firing, some contributing factors you could try would be to unplug the connections to your coil packs, the coil pack harness, and the ignitor and spray them with an electrical cleaner, any auto parts store will carry it for a few bucks. I notice sometimes when I unplug the ignitor and plug it back in, the car will misfire because I did not fully seat the plugs into the ignitor. The first time it happened that one stumped me for an hour. Might also be a good idea to go pick up a few extra sets of spark plugs just in case you continue to have flooding problems. Fouled plugs are the source of many headaches and often overlooked. Hope any of this helping, I want to see this pig fire up and snort. __________________ in any situation....thou shalt blaze

06-02-2013, 10:41 PM	#68
Sileighty_85 Post Whore! Join Date: Dec 2006 Location: Misawa, Japan Posts: 6,815 Trader Rating: (8) Feedback Score: 8 reviews	lol being tech savy is calling componets what they really are? if you go to a mechanic and tell him to replace the #4 coil pack and when you really need #1 replaced and shit still doesnt work right, im pretty sure your gonna wish you were "tech savy". __________________ 後輪駆動車１番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit

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06-01-2013, 08:01 PM	#61
b4l Zilvia Junkie Join Date: Feb 2012 Location: el paso texas Age: 34 Posts: 475 Trader Rating: (8) Feedback Score: 8 reviews	i checked about fuel and the car is geting fuel ove 45ps1 the sparkplug smells like gas. spark is an other thing. when i took out my spark plug the car sounded like it was about to fire, and the spark plug was not firing. i checked it with a metter and it has 5v going to each one. could all my coil pack be bad. could this just be a bad cas. the guy i got the engine from on this website says that the cas should be good after all he just took it out from his car not to long ago.

06-01-2013, 08:36 PM	#63
b4l Zilvia Junkie Join Date: Feb 2012 Location: el paso texas Age: 34 Posts: 475 Trader Rating: (8) Feedback Score: 8 reviews	already did this idea lol. im stumped right now. only thing that i can think of is that i have the wrong harness and will need to start depining shit and get it to were it goes but thats the last thing on my list. another member just told me to check compression if its good then take off fuel rail and check that.

06-01-2013, 09:30 PM	#65
b4l Zilvia Junkie Join Date: Feb 2012 Location: el paso texas Age: 34 Posts: 475 Trader Rating: (8) Feedback Score: 8 reviews	cool thanks i will try all these ideas on monday because we are having a graduation party 2maro. thanks and well update when i get the chance. if anyone else has ideas plz post thanks