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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 06-05-2019, 05:09 PM   #1
Qball1754
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car bogging when coming to stop

Hello, i just noticed recently that while i come to a stop my car will bog (almost want to say a hard downshift into first). it used to be really noticeable but after i got new brakes it got inconsistent and sometimes you barely notice it. it only does this while in drive and if i'm in manual mode there's no bog. i was told my throttle body needs cleaning and that could be whats causing the bogging. has anyone else ran into this problem? i'm hoping its nothing transmission related. i recently had to replace my TCM but even after doing that it didn't have this issue
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Old 06-05-2019, 05:58 PM   #2
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Clutch in faster!
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Old 06-05-2019, 06:49 PM   #3
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Clutch in faster!


OK, OP, you can stop looking for your clutch on your AT.





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Old 06-05-2019, 10:54 PM   #4
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i wish i had a clutch. i picked up driving manual shortly after buying my AT and i feel like i made a mistake. manual was just too much fun but my next car has to be a manual!
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Old 06-05-2019, 11:30 PM   #5
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i wish i had a clutch. i picked up driving manual shortly after buying my AT and i feel like i made a mistake. manual was just too much fun but my next car has to be a manual!
Sell it now, you're not going to be able to deal with it for long. Quick, before the mod bug sets in and your car is worth nothing but Pokemon cards.
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Old 06-06-2019, 12:01 AM   #6
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Wait, pokemon cards are worth something?
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Old 06-06-2019, 01:01 AM   #7
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Sell it now, you're not going to be able to deal with it for long. Quick, before the mod bug sets in and your car is worth nothing but Pokemon cards.
i did try that. was told in a few months if i continue to take care of it i got someone who will buy it off of me. just hope this issue isn't anything major
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Old 06-06-2019, 02:09 AM   #8
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Originally Posted by Qball1754 View Post
Hello, i just noticed recently that while i come to a stop my car will bog (almost want to say a hard downshift into first). it used to be really noticeable but after i got new brakes it got inconsistent and sometimes you barely notice it. it only does this while in drive and if i'm in manual mode there's no bog. i was told my throttle body needs cleaning and that could be whats causing the bogging. has anyone else ran into this problem? i'm hoping its nothing transmission related. i recently had to replace my TCM but even after doing that it didn't have this issue
How many miles on your car?

Is it still under warranty?

Any power modifications?

Have you had the battery disconnected lately - if so, maybe it's just re-learning?

I doubt there is anything wrong with the throttle body.


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Old 06-06-2019, 02:30 AM   #9
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How many miles on your car?

Is it still under warranty?

Any power modifications?

Have you had the battery disconnected lately - if so, maybe it's just re-learning?

I doubt there is anything wrong with the throttle body.


humfrz
58k miles. from my understanding toyota voided my warranty due to frame damage that wasn't there (i guess i could always take it to another dealership) no modifications. i did get an oil change and brakes done and that's when i was told the throttle body needs to be cleaned. aside from the oil and brakes i did have the ECU and TCM replaced
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Old 06-06-2019, 10:58 AM   #10
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They can't void engine warranty because of body damage...
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Old 06-06-2019, 11:39 AM   #11
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58k miles. from my understanding toyota voided my warranty due to frame damage that wasn't there (i guess i could always take it to another dealership) no modifications. i did get an oil change and brakes done and that's when i was told the throttle body needs to be cleaned. aside from the oil and brakes i did have the ECU and TCM replaced
Welp, the warranty can't be "voided", however, they can deny to do warranty work. Like @wparsons points out, they should not be able to deny warranty work on the engine because of body damage -

Like I mentioned earlier, I don't reckon the throttle body is dirty enough to cause it to run rough unless you have been driving around in a sandstorm.

I suggest you take your car to a different dealer for a second opinion -


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