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SOLVED: Very rough idle, diagnostic code P0018
My problem with this statement is that the holes on the OCVs from my MY2008 STi engine line up exactly with the holes in the intake AVCS cylinder (top of head) on the MY2010 engine... The holes on the OCVs from the MY2010 STi do not, which leads me to believe the ones that are/were in there... -
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SOLVED: Very rough idle, diagnostic code P0018
Re: Very rough idle, diagnostic code P0018 Exhaust cam advance? My problem is intake cam advance, right? So it makes sense to me. The part number I found was for the intake OCV. Also having the seemingly wrong intake cam OCVs doesn't raise any flags? -
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SOLVED: Very rough idle, diagnostic code P0018
Did some searching... Part number 6 in this diagram from OpposedForces.com is called "Valve assembly-oil control" and has a part number of 10921AA080. If you search that part number on the internet... you get nothing but pictures and links to the OCV that I have in my 08 STi engine. -
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SOLVED: Very rough idle, diagnostic code P0018
If the problem is the wrong part in the engine, I'll be infinitely perplexed about how this issue showed up out of nowhere after putting a full tank of gas in. It will be one of the biggest coincidences of my car modifying 'career'. On top of that, how the hell has it been running so well for... -
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SOLVED: Very rough idle, diagnostic code P0018
I'm trying to be as clear as possible for these posts. If anyone needs clarification, feel free to ask. From here on out, I'm considering the following terms synonymous, and will refer to them as OCV's. Oil Control Valve (OCV) AVCS Solenoid Edwin, as you suggested, I tried feeling around in... -
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SOLVED: Very rough idle, diagnostic code P0018
Re: Very rough idle, diagnostic code P0018 Then this raises a flag... my stock 08 STi engine has identical AVCS castings and solenoids in both sides. They're different from the 10, as seen in the pic, but they're definitely identical. Interchangeable even. -
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SOLVED: Very rough idle, diagnostic code P0018
Re: Very rough idle, diagnostic code P0018 You said you replaced the left solenoid and casting as you looked into the engine bay... wouldn't that be the passenger side? The solenoids I have pictured are the driver side solenoids from the two different model year engines. In that note, both... -
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SOLVED: Very rough idle, diagnostic code P0018
OK, I pulled things apart and got the driver side AVCS solenoid off... I can't see anything clogged in there, Hopefully I can get to that plate on the side of the casing that the solenoid goes into, see if anything is wedged in there. I was curious so I pulled my driver side AVCS solenoid out... -
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SOLVED: Very rough idle, diagnostic code P0018
By the casting, you mean the solenoid that slides into the casing on the engine block? These are going to be a bear to get to with the breather lines on, that's for sure... and there's so much stuff in the way of even getting to those. I'll start dismantling. I removed the banjo bolts from... -
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SOLVED: Very rough idle, diagnostic code P0018
What I've done so far; Check harnesses going to cam shaft sensors. Replace cam shaft sensors. Check timing marks on all cam gears. The harnesses were fine, and I didn't jump a tooth anywhere. Cam shaft sensors were replaced from my 08 STi engine, so that makes all three sensors (crank shaft... -
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SOLVED: Very rough idle, diagnostic code P0018
Thanks, these are on my list to check tonight... going to be a long night. I don't remember if the AP reported it was "left" or "right" that was at 65, if that's what you mean... I'll check tonight to be sure. The diag code (P0018) refers to correlation between the crank shaft sensor and the... -
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GR RDKLSTi ? 518whp/492wtq (MD) 2008 STi
Check out this thread, any input is appreciated. http://www.igotasti.com/vBforum/showthread.php?4778-Very-rough-idle-diagnostic-code-P0018&referrerid=1384- Deek
- Post #115
- Forum: Member's Journal
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SOLVED: Very rough idle, diagnostic code P0018
I have a built MY2010 EJ257 engine in my 08 STi, Edwin's old engine. I was on "E" today, filled it up at my usual spot and it took 14.3 gallons. Started fine at the pump, drove about one and a half miles home and while in the garage I noticed a very rough idle, the whole car was shaking. I... -
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#HELLAMEATY 08 STi - OEM part out
Back up to the top, would like to sell this stuff.- Deek
- Post #8
- Forum: GR Specific
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Street Races - STi / Supra / RX-7 / El Camino
08 STi vs Supra FD RX-7 vs Supra FD RX-7 vs LS3 Miata FD RX-7 vs El Camino -
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GR RDKLSTi ? 518whp/492wtq (MD) 2008 STi
The graphs are in my car, I'll grab them and scan them at some point. It comes on a bit late, but that was expected. So I'm OK with it and have adjusted accordingly. Initially I didn't have any intention of running a larger turbo like the FP Black but I couldn't pass up the price I got it for...- Deek
- Post #114
- Forum: Member's Journal
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GR RDKLSTi ? 518whp/492wtq (MD) 2008 STi
Ahh yes, threads need to be updated! After a talk with Gino, I needed to change some things with the breather box setup. That's all sorted out now and dyno time netted 430 hp/tq on 25lb with CA91 (horse-piss gas) and a 50/50 alcohol/water mixture alc injection via Aquamist. Might do a...- Deek
- Post #113
- Forum: Member's Journal