B18C Stuttering, backfiring, and stalling (fixed!)

B16, B18, B20
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By Leppy
- Wed Apr 03, 2013 1:47 am #329962 I read something about the main relay going out when the car get's hot and refuses to start. Could this be an issue? Also when Dad came to pull me after the car stalled and drained the battery trying to restart it, there was a heavy power drain that shouldn't have been there.

Could a main relay cause it to quit throwing spark after it get's hot and flood the cylinders and cause a hard power drain?

also, no codes the entire time. I pulled the ECU and back-up fuse for 15 minutes and reset the ECU, then let it idle for 20 minutes, shut if off, and started it back and took a drive.

By alansi09
- Wed Apr 03, 2013 5:21 pm #329992 Mine has been doing this for about 2weeks now I did valve lash replaced iacv messed with the screw by throttle body and even got a diffrent ecu and still does the same thing every onc in a while it will just die on me when I come to a stop so I feel your frustration lmk if you figuere out what's goin on and ill keep checking as well and keep you posted
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By Leppy
- Wed Apr 03, 2013 7:58 pm #330006
alansi09 wrote:Mine has been doing this for about 2weeks now I did valve lash replaced iacv messed with the screw by throttle body and even got a diffrent ecu and still does the same thing every onc in a while it will just die on me when I come to a stop so I feel your frustration lmk if you figuere out what's goin on and ill keep checking as well and keep you posted


I just picked up a new main relay on my way home. After I eat (which i'm doing now) I'm going to throw it in and see it that fixes it.
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By Leppy
- Wed Apr 03, 2013 11:14 pm #330007 Think I found the source. Anyone have a GSR intake manifold for sale?

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By Leppy
- Thu Apr 04, 2013 3:03 am #330039 Skunk2 IM, TB, and gaskets on the way. In the meantime, my new syncro's and bearings to rebuild my transmission arrived today, so i'll be pulling everything apart and hopefully have it all running smoothly next week.

By alansi09
- Sat Apr 06, 2013 6:46 pm #330168 Anything new yet? Mine Is still idleing weird
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By Leppy
- Sat Apr 06, 2013 7:50 pm #330171
alansi09 wrote:Anything new yet? Mine Is still idleing weird


Partying this weekend while waiting on parts. I'll update next week after stuff comes in.

By bks84
- Sat Apr 06, 2013 8:46 pm #330173 Dang. That's crazy. Stock manifold?
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By Leppy
- Sat Apr 06, 2013 9:58 pm #330176
bks84 wrote:Dang. That's crazy. Stock manifold?


yeah, that's a crack nearly all the way around the intake pipe under the #4 injector. It's a stock JDM GSR manifold (From an Integra SIR-G, I believe). This also explains the fuel smell when it wont start.
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By Leppy
- Tue Apr 09, 2013 5:14 am #330330 Update time. I got the Skunk2 Mani and new throttle body swapped over. I'm having some spark plug issues, but after swapping to some good plugs, it fired right up. After some tweaking, it seems to be idling OK.

I ran out of time, so tomorrow I'm gonna test it and try to tune it all up and she how it drives.
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By Leppy
- Tue Apr 09, 2013 11:32 pm #330367 Apparently I need a .052 gap NGK R PFR6G-13 spark plug. The ones I kept getting that were "recommended" for my car were regular PFR6G's or were 11's and had a .044 gap.

So ordered new correct plugs and a PCV valve because mine was gunked up and old.

By bks84
- Wed Apr 10, 2013 12:05 pm #330389 Why didn't you just gap the plugs you bought?
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By Leppy
- Wed Apr 10, 2013 2:01 pm #330393
bks84 wrote:Why didn't you just gap the plugs you bought?


Fouled pretty bad and i don't feel like messing with them anymore.

By alansi09
- Wed Apr 10, 2013 4:10 pm #330400 Got a skunk2 IM and I'm currently running the gsr throttle body bracket and cable and its running perfect after I found a small leak on the TB idles fine now also cleaned out my iacv and cleaned some gunk from the TB itself as well and its idleing fine.
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