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Old 12-16-2012, 03:51 PM   #1
warmkop
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Default Need help making power 94tt

The miss on the car is now even under normal driving.Took all the coils out they all have fine cracks in front off them and 4 connectors is also broken.It is just funny that it was fine on the dyno and 2 day later it started missing.Had it also on the dyno again to see if we can see anything wrong but everthing looks fine.
If the car stands and idle and you rev her,it miss and then revs.
Just making sure it is coils don't want to buy coils and still have a miss.
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Old 12-16-2012, 04:17 PM   #2
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Originally Posted by warmkop View Post
The miss on the car is now even under normal driving.Took all the coils out they all have fine cracks in front off them and 4 connectors is also broken.It is just funny that it was fine on the dyno and 2 day later it started missing.Had it also on the dyno again to see if we can see anything wrong but everthing looks fine.
If the car stands and idle and you rev her,it miss and then revs.
Just making sure it is coils don't want to buy coils and still have a miss.
In my experience, the cracks aren't important at all, but the broken connectors are critical. Please let me know if you need the part number for the Toyota/Lexus coil pack connector and I'll track it down for you.
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Old 12-16-2012, 04:36 PM   #3
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Default Need help making power 94tt

So you still think it is the connectors that is causing the miss but why was it okay on the dyno.
i'll appreciate the part number.

Last edited by warmkop; 12-16-2012 at 04:41 PM.
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Old 12-16-2012, 07:35 PM   #4
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So you still think it is the connectors that is causing the miss but why was it okay on the dyno.
i'll appreciate the part number.
The street puts more load on the engine, which in turn generates more heat. More vibration could be a factor too. Either way, with new coilpack connectors and new coils I'd bet you'll be fine.

http://mkiv.com/techarticles/parts/c...ess/index.html
90980-11246 Coil Pack Connector
82998-12440 Repair Terminal

http://www.suprastore.com/tosucopaco19.html
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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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Old 01-04-2013, 06:09 PM   #5
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Originally Posted by warmkop View Post
So you still think it is the connectors that is causing the miss but why was it okay on the dyno.
i'll appreciate the part number.
Just curious - any news?
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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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Old 01-11-2013, 05:49 PM   #6
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Default Need help making power 94tt

Phoned toyota today they say the part nr you gave me for the terminal repair does not exist are you sure that is the right nr.
I bought a 1jzgte enjin for other conversion i want to start as soon as the supra is fixed,anyway i swop its coils with mine it still had the same miss i'm first going to get new connectors to see if it is not the connectors.
Have you ever heard of a supra having problems with its ecu or crank pick up just wondering.
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Old 01-11-2013, 06:19 PM   #7
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Originally Posted by warmkop View Post
Phoned toyota today they say the part nr you gave me for the terminal repair does not exist are you sure that is the right nr.
I bought a 1jzgte enjin for other conversion i want to start as soon as the supra is fixed,anyway i swop its coils with mine it still had the same miss i'm first going to get new connectors to see if it is not the connectors.
Have you ever heard of a supra having problems with its ecu or crank pick up just wondering.
That may be a Lexus part number - please check if your dealer can find it under Lexus.

Yes, the metal 'tooth' plate on the crankshaft can come loose, and/or the magnetic pick-up sensor (or its harness) can be faulty. The troubleshooting steps in the TSRM go through diagnosing and correcting any of these possible issues.
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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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Old 01-19-2013, 08:10 PM   #8
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Default Need help making power 94tt

So i swop my ecu,igniter and coils with other ones today and tried a new set of plugs[again] still the same miss.
It leaves me with crank pick up and injectors to test.
I see if i plug out my map sensor it revs a bit beter.
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