03-27-2010, 07:35 PM
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#1 |
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3" Exhaust
Join Date: Mar 2010
Location: georgia
Posts: 59
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car dies under boost
got a 93 singal turbo supra when it starts building boost ( which is about 4000) it just dies! i have no idea what it is.. really need some help from the supra gurus
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03-28-2010, 01:14 AM
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#2 | |
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Supra Owner
Join Date: Oct 2005
Location: GA, USA
Posts: 2,209
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Quote:
Please tell us more about your car (i.e. list all modifications):
__________________
Phil '94 Supra Turbo, 6spd, 'APU'+ 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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03-28-2010, 01:22 AM
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#3 | |
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3" Exhaust
Join Date: Mar 2010
Location: georgia
Posts: 59
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Quote:
 crazy! its also missing most of its sensors that where on the intake
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03-28-2010, 02:16 PM
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#4 | |
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Supra Owner
Join Date: Oct 2005
Location: GA, USA
Posts: 2,209
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Quote:
I agree the maf configuration needs to be changed back to oem - this is a strong suspect as the first troubleshooting step to take. Although an AEM might fix the problem, that's like fixing a cut in your finger by replacing your arm with a robotic prosthetic. A whole AEM setup is $2500+, and this could likely be fixed with a few hours (or less) of troubleshooting with the existing setup.
__________________
Phil '94 Supra Turbo, 6spd, 'APU'+ 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. Last edited by pwpanas; 03-28-2010 at 02:18 PM. |
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03-28-2010, 04:39 PM
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#5 | |
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3" Exhaust
Join Date: Mar 2010
Location: georgia
Posts: 59
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Quote:
yes the owner he's my best bud no money just help him out mybe i'll get a 6-pack of budlight lol it looks like a DSM setup with the maf like a blowthru he wants the AEM pretty bad i agreed that the AEM would give him a boost of performance! i hooked up the computer to the car and it pulled 5 codes fuel pump relay, coolant temp sensor, TPS sensor, and turbo boost pressure sensor *2 |
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03-28-2010, 09:59 PM
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#6 | |
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Supra Owner
Join Date: Oct 2005
Location: GA, USA
Posts: 2,209
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Quote:
The coolant temp sensor problem needs to be fixed; it's even needed with the AEM. Either the Throttle Position Sensor and the Turbo Pressor Sensor could be a part of the stalling problem, so they should be corrected as well. Troubleshooting steps for these sensors are all in the TSRM (Toyota Supra Repair Manual). If your buddy doesn't already have one for his Supra, he needs to get one.
__________________
Phil '94 Supra Turbo, 6spd, 'APU'+ 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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03-28-2010, 10:44 PM
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#7 | |
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3" Exhaust
Join Date: Mar 2010
Location: georgia
Posts: 59
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Quote:
i've tested the coolant temp sensor & replaced it, and adjusted the TPS only showing 78% of throttle open got it back to 100% the turbo pressure sensor was the one's on the intake and they are gone now 
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03-29-2010, 08:52 PM
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#8 |
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3" Exhaust
Join Date: Mar 2010
Location: georgia
Posts: 59
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sorry i didnt answer this earlyer he said its a 70mm?
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03-30-2010, 12:59 AM
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#9 | |
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Supra Owner
Join Date: Oct 2005
Location: GA, USA
Posts: 2,209
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Quote:
Please keep us updated with your troubleshooting steps. If anything's going on that I can help with I'll be sure to respond.
__________________
Phil '94 Supra Turbo, 6spd, 'APU'+ 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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03-30-2010, 01:47 AM
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#10 |
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3" Exhaust
Join Date: Mar 2010
Location: georgia
Posts: 59
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well i spoke with him and he's pretty much made his mind up i think he wants a AEM before he marry's his old lady lol
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