bad afm?? ohms not right!

D.J.T.

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Aug 25, 2010
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Arkansas, United States
Ok. This morning i went & started the Supra, it would idle then die every single time i started it back up. So i went to the junkyard & with luck found the SC400 AFM inside the car.. (my heart sunk when i didn't find it in the engine bay... lol) took it out of the LEX housing & installed it onto the Supra's housing & problemo fixed!!! car runs! As for the oil though... too much oil means Turbo seals are blown OR it could be normal for the PCV.. i was searching & all i find is the CATCH CAN option... My minds a bit twisted. So basically all i do is connect the two valve covers openings together to the TB PCV opening to a catch can & the other side of the catch can to the accordion hose? Is it that simple?
 

suprakidd

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Feb 11, 2011
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Glendale, Arizona, United States
ok i checked al things listed above and nothing. still the problem exist.. but i did find a little black pastic hose on the back of the 7mgte intake manifold disconnected. its right above where the egr bolts in the intake mani. where does this lil thing plug into?? i was look in the repair manual and it showed something just like that and it said in advance the timung if its pluged in.

could that retard my idle enough to make my engine start missing because thats not pluged in? at the moment my timing is at tdc because i have yet to timing it to 10 btdc...

makes sense to me lol

---------- Post added at 02:11 PM ---------- Previous post was at 02:06 PM ----------

djt do u know if its coming from your pcv? or your turbo?? if its coming from the pcv then a catch can wil help and im not 100% on the layout of all the tubes but that sounds like it should work as long as the oil dont overflow the catch can.
 

D.J.T.

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Aug 25, 2010
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Arkansas, United States
suprakidd;1696198 said:
ok i checked al things listed above and nothing. still the problem exist.. but i did find a little black pastic hose on the back of the 7mgte intake manifold disconnected. its right above where the egr bolts in the intake mani. where does this lil thing plug into?? i was look in the repair manual and it showed something just like that and it said in advance the timung if its pluged in.

could that retard my idle enough to make my engine start missing because thats not pluged in? at the moment my timing is at tdc because i have yet to timing it to 10 btdc...

makes sense to me lol

---------- Post added at 02:11 PM ---------- Previous post was at 02:06 PM ----------

djt do u know if its coming from your pcv? or your turbo?? if its coming from the pcv then a catch can wil help and im not 100% on the layout of all the tubes but that sounds like it should work as long as the oil dont overflow the catch can.

Can't really say, my old man put a rag down the accordion hose & cleaned it.. today i actually took off the accordion hose & the turbo looked cleaned & there is Very minimal shaft play.. my PCV hose has oil though. & the oil that comes out onto the chassis is very thick & dark but my engine oil isn't that dirty & doesn't have more that 1.5K miles on it since the last change.
 

suprakidd

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Feb 11, 2011
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Glendale, Arizona, United States
also while i was working on the supra a second a go i had my autometer boost gauge hooked up to a vacuum line coming out of my areomotive fuel pressure regulater and every time the afm puffed the gauge jumped up a little..

what does this mean??

also i went to check for codes and idk but my check egine light didnt come on.. ti tested to see if it would come on when i turned the key and it doesnt... what do i do about that??
 

Poodles

I play with fire
Jul 22, 2006
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suprakidd;1696217 said:
sounds like its your pcv then dont know y it would spit out the much oil but who knows lol
..

Old engine = worn rings = more blowby = more PCV flow = more oil in intake
 

D.J.T.

Member
Aug 25, 2010
877
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Arkansas, United States
suprakidd;1696217 said:
sounds like its your pcv then dont know y it would spit out the much oil but who knows lol
..

IDK.. but its time for a upgrade/engine bay look change :naughty:

---------- Post added at 06:05 PM ---------- Previous post was at 06:00 PM ----------

Poodles;1696268 said:
Old engine = worn rings = more blowby = more PCV flow = more oil in intake

Old Engine + New pistons + New Piston Rings + New Bearings + Etc. = 3400 Miles... SO FAR....
 

suprakidd

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Feb 11, 2011
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Glendale, Arizona, United States
does anyone know where the llittle platic tube goes (the one that comes out of the intake manifold, the only thing above where the the egr bolts in)??? i googled the hell out of it and found nothing.

---------- Post added at 09:31 PM ---------- Previous post was at 09:31 PM ----------

on the back of the intake
 

89supracrazy

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Oct 31, 2009
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wise
It goes to a tee on the firewall and the tee hooks to the boost pressure sensor. I bet your boost guage inside don't work.
 

JStoked

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Jun 27, 2010
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Edmond, Oklahoma, United States
D.J.T.;1696332 said:
Broken in? we set the gaps just like TSRM reads. That they didn't seat properly is probably it. :(

Blown rings bro. Start the car and take the oil cap off and see if alot of smoke comes out and smells like gas and oil. If QUITE driving it or even running it.