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Old 07-31-2015, 09:38 PM   #1
Anderson92s
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Full boost, but no power

2013 BRZ
Jdl turbo twin scroll
Tail wastegates and bov
700cc injectors

So the other night i was doing about 143mph on the way home and let off, the car ran find and i didnt notice anything until i went back to town later that night. The car is now boggy, spudders very slightly under acceleration, runs rich idles at 10:1-11:1, but still builds full boost just not as fast and i cannot figure out whats wrong. Changed the MAP sensor (omni 3 bar) and went over the intercooler piping and vacuum lines everything is fine..what do i check now, what should i suspect? I am new to these cars and need help figuring this one out!
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Old 07-31-2015, 10:03 PM   #2
humfrz
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Quote:
Originally Posted by Anderson92s View Post
2013 BRZ
Jdl turbo twin scroll
Tail wastegates and bov
700cc injectors

So the other night i was doing about 143mph on the way home and let off, the car ran find and i didnt notice anything until i went back to town later that night. The car is now boggy, spudders very slightly under acceleration, runs rich idles at 10:1-11:1, but still builds full boost just not as fast and i cannot figure out whats wrong. Changed the MAP sensor (omni 3 bar) and went over the intercooler piping and vacuum lines everything is fine..what do i check now, what should i suspect? I am new to these cars and need help figuring this one out!
Welcome to the forum, Anderson92s ........

I think your car had a .....stroke ......

I'd suggest you take it to a tuner for a complete check up.

I'm sure others will join in with some useful information .....

I hope it recovers.


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Old 07-31-2015, 10:19 PM   #3
Anderson92s
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Could you explain to me what you mean by that?😁
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Old 07-31-2015, 10:21 PM   #4
Anderson92s
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It still has power enough to squeak the tires 1st to 3rd but not near what it had
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Old 07-31-2015, 11:21 PM   #5
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Don't feed the troll boys.
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Old 08-01-2015, 12:24 PM   #6
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Quote:
Originally Posted by Anderson92s View Post
2013 BRZ
Jdl turbo twin scroll
Tail wastegates and bov
700cc injectors

So the other night i was doing about 143mph on the way home and let off, the car ran find and i didnt notice anything until i went back to town later that night. The car is now boggy, spudders very slightly under acceleration, runs rich idles at 10:1-11:1, but still builds full boost just not as fast and i cannot figure out whats wrong. Changed the MAP sensor (omni 3 bar) and went over the intercooler piping and vacuum lines everything is fine..what do i check now, what should i suspect? I am new to these cars and need help figuring this one out!
I've read somewhere on this forum, that the ECU is only calibrated for a particular MAP sensor, so if you change it, you will require a retune.
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Old 08-01-2015, 02:07 PM   #7
Anderson92s
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I've read somewhere on this forum, that the ECU is only calibrated for a particular MAP sensor, so if you change it, you will require a retune.


Its been tuned for that particular MAP sensor somthat shouldnt be it
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Old 08-01-2015, 04:43 PM   #8
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Check hoses under the intake manifold (there's a thread in the forced induction part of this forum)
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Old 08-01-2015, 05:23 PM   #9
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Could you explain to me what you mean by that?😁
OK, so it was a poor analogy .....


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