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Old 04-06-2010, 12:38 AM   #11
matt1993supraTT
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made some head way on the car this weekend, spoke with dusty at MVP ( awesome guy!) a and we both seem to think its the a mass air flow sensor issue luckly for my bro i have a car just like his so i will swap mine over to his and give it a try
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Old 04-06-2010, 01:18 AM   #12
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Quote:
Originally Posted by matt1993supraTT View Post
made some head way on the car this weekend, spoke with dusty at MVP ( awesome guy!) a and we both seem to think its the a mass air flow sensor issue luckly for my bro i have a car just like his so i will swap mine over to his and give it a try
I'm glad Dusty agrees with me:
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Originally Posted by pwpanas View Post
...I agree the maf configuration needs to be changed back to oem - this is a strong suspect as the first troubleshooting step to take...
Please say 'hi' to him for me, next time you talk.

P.S. The current post-turbo MAF configuration could be the very reason that MAF got ruined (if that's the problem)... excess heat or oil from the turbos could easily mess up the sensor. Please keep that in mind before you swap yours into a questionable configuration...
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Last edited by pwpanas; 04-06-2010 at 01:23 AM.
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Old 04-10-2010, 07:49 PM   #13
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Quote:
Originally Posted by pwpanas View Post
I'm glad Dusty agrees with me:


Please say 'hi' to him for me, next time you talk.

P.S. The current post-turbo MAF configuration could be the very reason that MAF got ruined (if that's the problem)... excess heat or oil from the turbos could easily mess up the sensor. Please keep that in mind before you swap yours into a questionable configuration...

agreed i dont want to screw up my maf sensor..he's order a AEM today so we might not ever know what was wrong with it
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Old 04-11-2010, 06:11 PM   #14
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ok i need somone to explan! i pulled the car out today hosed off all the dirt hit the engine with some grease lighting and chagned the oil..then took it down the road the car spooled up but didnt die, side note i had the fuel preassure WAY to high, turn it down a bit took it back out and it ran GREAT!! like a monster so whats the deal went from being unable to boost to a friggin rocket??
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Old 04-11-2010, 07:35 PM   #15
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Originally Posted by matt1993supraTT View Post
ok i need somone to explan! i pulled the car out today hosed off all the dirt hit the engine with some grease lighting and chagned the oil..then took it down the road the car spooled up but didnt die, side note i had the fuel preassure WAY to high, turn it down a bit took it back out and it ran GREAT!! like a monster so whats the deal went from being unable to boost to a friggin rocket??
If your fuel pressure was "WAY too high", how was the a:f ratio "around 12.9 before it dies"? Something doesn't add up.
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Displacement is no replacement for boost.
Life begins at 30psi.


NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners.
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Old 04-11-2010, 08:01 PM   #16
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If your fuel pressure was "WAY too high", how was the a:f ratio "around 12.9 before it dies"? Something doesn't add up.

i had adjusted on it before today, when the car was brought in i think it was set at 25 pounds and i had turned it up to 35 so i went up 10 pounds from, but after i readjusted it it stayed right at 13.1 under full boost
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Old 04-18-2010, 02:45 PM   #17
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well it's not the mass air flow sensor back to square one. this car is driving me crazy i have no other idea what it could be i've changed or adjusted every sensor that it was pulling codes for.
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Old 04-18-2010, 03:39 PM   #18
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Originally Posted by matt1993supraTT View Post
well it's not the mass air flow sensor back to square one. this car is driving me crazy i have no other idea what it could be i've changed or adjusted every sensor that it was pulling codes for.
Did you put the MAF back to the oem configuration (pre-smic/fmic)?
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Displacement is no replacement for boost.
Life begins at 30psi.


NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners.
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Old 04-18-2010, 08:45 PM   #19
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Did you put the MAF back to the oem configuration (pre-smic/fmic)?

yes sir its back to the oe location
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Old 04-20-2010, 02:12 AM   #20
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yes sir its back to the oe location
Does it still die at 4000 rpm?
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Displacement is no replacement for boost.
Life begins at 30psi.


NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners.
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