Lopey idle, sometimes stalling, after 550/Lex mods

speedgilligan

UL Mechanical Engineering
Jul 2, 2009
96
0
0
Louisville, KY
ignoring all the bullshit people have posted in this thread, here is what you need to do:

1) finish the mod, the lexus/550's mod is not perfect...you need to get an adjustable fuel pressure regulator so that you can supply the correct amount of fuel to the rail at the right pressure
2) GET SOME TUNING DONE! or at least install a wideband O2 so you can see AFR
3) try and not be an ass, you asked for help, you are getting it (mostly)
 

SideWinderGX

Member
Aug 8, 2007
733
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35
Syracuse, New York, United States
I6Boost;1557594 said:
I have absolutley no clue as of why your throwing a big hissy fit?
We are trying to help, and nick is of all people...

He blantley told you that people "will" and have no problem selling mismatched
things since in various posts the whole time your like "OMG no way they sold me differenet stuff! they wouldnt do that to me".

Then he just made a simple politic joke and you throw a little tantrum, lighten up man seriously...

And my favorite of all in the bold...
Where and what post did nick say anything along the lines of:
"Im pretty sure"
"I assume"
"I think"

NONE.

So take you diaper off.

He hasn't insulted you what so ever and gave nothing but helpful information...

&& To top everything off, your basicly calling everyone idiots, nick a self-righteous douchebag etc etc
but YET your the one asking for help lmao? I dont understand...

If your not going to listen, dont ask.

You seem cocky as well. I'll give you a chance to redeem yourself: point out to me, EXACTLY, using quotes, where Nick has helped me.

This is the tech section, not some off topic/political discussions board. If people sell mismatched stuff that's fine, but that's impossible in this case, as I stated NUMEROUS times. Stupid jokes aren't necessary, because they don't help. HE also assumed I had an intake/boost leak, which is the root of my code 34, which isn't even the problem here.

Don't be pissed that I'm not listening to your advice, because it doesn't make sense. I've already proved beyond a reasonable doubt the injectors are not the source of the problem, and yet you continue to harp on them. If you're going to get all pissy because I won't listen to you or your buddy Nick M who doesn't provide any insightful information, you can leave as well.

Ooh, and a little note: I haven't called anyone idiots. In fact, I specifically stated earlier that I did NOT mean to call people stupid. A constructive argument is more than welcome! It's when the argument turns into 'I'll ignore the facts you are presenting and continue to pluck my one string banjo for no reason at all'.






D7MSupra;1557601 said:
Is your BOV recirculating back into your intake like its supposed to>? If an injector was stuck closed or not flowing right you would feel it skipping under anykind of hard acceleration. You have some sort of leak in your intake behind the afm or a bad vaccum leak somewhere on your intake manifold since your were messing around the fuel rail.

I have a replacement for my stock BOV, I bought it from 935 motorsports IIRC...one of the bosch replacements. All the hoses are good, clamps are good, BOV still works fine. Yes it recirculates back into the intake.

Pulls absolutely fine under medium/hard acceleration. The problem really doesn't even exist under throttle...it's slowing down to a crawl or at an idle it starts loping. Then the starting problem last night, which may or may not be related.

speedgilligan;1557623 said:
ignoring all the bullshit people have posted in this thread, here is what you need to do:

1) finish the mod, the lexus/550's mod is not perfect...you need to get an adjustable fuel pressure regulator so that you can supply the correct amount of fuel to the rail at the right pressure
2) GET SOME TUNING DONE! or at least install a wideband O2 so you can see AFR
3) try and not be an ass, you asked for help, you are getting it (mostly)

Not being an ass to the people that are helpful, respect is earned ;)

Understood, the wideband is first on my list anyways. Thanks!
 

SideWinderGX

Member
Aug 8, 2007
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Syracuse, New York, United States
A wideband is one of those things I should've already bought =X Hence it being on my list.

I'll be fiddling with the CPS wires tomorrow after work. I bought 2' of 1/4" black silicone hose to replace the turbo coolant lines with (autozone hose special is getting crispy again) so I'll have access to the CPS anyways.

JJ: any vague ideas on what it could be?
 

SideWinderGX

Member
Aug 8, 2007
733
0
16
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Syracuse, New York, United States
After doing a bit of searching I stumbled upon this thread: http://www.supraforums.com/forum/showthread.php?t=163954&highlight=stalls+coming+stop

isnms' post (#33) got me thinking about the condition of the hose/VSV. Went outside and had my mom (noone else home) hold the rpms at 3k, pinched the hose, throttle was released...and the rpms went back down to idle. Got some vice grips to pinch the hose...same result. The thermostat still read cold but the rpms had gone down to ~650 ish, so technically it was warm.

Went about adjusting the dashpot, got a bit worse so I put it back exactly where it was. I then took off the VSV and hose entirely to check it: VSV won't allow air one way, and is pretty hard to blow through the other way (think of a straw in a glass of water). Turned the car on without the VSV attached...regular idling and driving improved 90% (still a little funky, probably something else not set exactly right but close), and revving the car up in neutral to 2 or 3k rpms and letting it off will ersult in a bumbling idle for a second or two before it smooths off. At no time did the car stall, especially while driving.

So, is there any other place that sells this VSV besides Toyota? Any way to clean it? Any harm in driving without it attached for a bit?