Aftermarket Intake + Bog Issues - Read Here - Page 9 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

dabocx · 09-02-2012, 12:07 PM

Thats just beyond strange

ruskymx · 09-02-2012, 12:08 PM

2forme · 09-02-2012, 12:25 PM

Does everyone understand why I'm so adamant about fixing the problem? This makes it pretty difficult to drive in city traffic.

Foobar · 09-02-2012, 11:04 PM

Quote:

Originally Posted by 2forme

Does everyone understand why I'm so adamant about fixing the problem? This makes it pretty difficult to drive in city traffic.

Yeah, that's what I see whenever I encounter bogging. It doesn't happen all the time though, so I'm not sure what triggers it.

Is it happening for you again with the 93 map or are you back on E85?

Jidonsu · 09-02-2012, 11:09 PM

That video reminds me of mine. Btw, did you let your engine idle after reconnecting the battery? I forgot to do that, and I'm going to give that a try this week. I doubt it'll change anything, but it's easy enough to try.

Foobar · 09-02-2012, 11:11 PM

Quote:

Originally Posted by Jidonsu

That video reminds me of mine. Btw, did you let your engine idle after reconnecting the battery? I forgot to do that, and I'm going to give that a try this week. I doubt it'll change anything, but it's easy enough to try.

I did let it idle for a while after disconnecting the battery.

Sent from my Galaxy Nexus using Tapatalk 2

2forme · 09-02-2012, 11:22 PM

Yes I've tried letting the ecu adjust every possible way. Its good to see I'm not the only one with this issue. I'm on 93 not e85.

uspspro · 09-03-2012, 01:11 AM

wow that last video is nuts!

The MAF is plugged in, right?!

Sheesh!

Plxdjake89 · 09-03-2012, 01:15 AM

Quote:

Originally Posted by 2forme

For all the doubters out there, I have finally been able to catch the bogging on video.

1st gear take off, violent bog, 60-75% throttle:

Fresh shift bog, WOT, no power:

Shift to 2nd bog, WOT, jerking:

I understand @David@Airaid.com offered to let me ship my intake to them to let them test it, but unfortunately, that will put me beyond the return period that @AJUSA.com offers. I don't want to run the risk of losing 250$ on the chance that the 2nd intake causes the same issues.

I'm now going to send John some more comparison logs between this intake and stock.

Also, attached are pics of the install. Please let me know if I've missed anything....

Dude....ur car is fucked! Lol, do you even rev up the engine a lil before taking off, or do you just drop the clutch and smash on the throttle?

Symbiont · 09-03-2012, 01:19 AM

Quote:

Originally Posted by 2forme

For all the doubters out there, I have finally been able to catch the bogging on video.

1st gear take off, violent bog, 60-75% throttle:

Fresh shift bog, WOT, no power:

Shift to 2nd bog, WOT, jerking:

I understand @David@Airaid.com offered to let me ship my intake to them to let them test it, but unfortunately, that will put me beyond the return period that @AJUSA.com offers. I don't want to run the risk of losing 250$ on the chance that the 2nd intake causes the same issues.

I'm now going to send John some more comparison logs between this intake and stock.

Also, attached are pics of the install. Please let me know if I've missed anything....

For what it's worth, my car was doing the same thing with the Injen intake. Stock, though, it's fine; no issues at all. Problem only started with the tune, but the stock intake works fine with the tune.

Still waiting to hear back from Injen, or hoping that John is going to figure out how to tune around it. Not sure which is going to happen.

scioneric · 09-03-2012, 01:43 AM

Quote:

Originally Posted by 2forme

For all the doubters out there, I have finally been able to catch the bogging on video.

1st gear take off, violent bog, 60-75% throttle:

Fresh shift bog, WOT, no power:

Shift to 2nd bog, WOT, jerking:

I understand @David@Airaid.com offered to let me ship my intake to them to let them test it, but unfortunately, that will put me beyond the return period that @AJUSA.com offers. I don't want to run the risk of losing 250$ on the chance that the 2nd intake causes the same issues.

I'm now going to send John some more comparison logs between this intake and stock.

Also, attached are pics of the install. Please let me know if I've missed anything....

Is weird mine is fine. Sorry to see yous in the video hope you fix it soon!

Symbiont · 09-03-2012, 02:16 AM

Quote:

Originally Posted by Jidonsu

Let me know if you want to borrow my Injen.

Does John have an Injen intake to work with?

Symbiont · 09-03-2012, 02:16 AM

Quote:

Originally Posted by scioneric

Is weird mine is fine. Sorry to see yous in the video hope you fix it soon!

Is your ECU flashed?

Reason · 09-03-2012, 02:27 AM

Is there a way to watch MAF signal (Hz?) with an obd2 reader? I would watch the maf signal and see if it's maybe actually disconnecting... someone else mentioned this happened with the mazdaspeed3 crowd when it was new and it turned out that intakes that relocated the maf and pulled the MAF wires really tight were actually causing disconnect issues.

View Poll Results: Are you experiencing the same problem?
Yes - I have an aftermarket intake only.	14	9.21%
Yes - I have an aftermarket intake and a tune.	15	9.87%
Yes - I'm all stock.	11	7.24%
No - I have an aftermarket intake only.	43	28.29%
No - I have an aftermarket intake and a tune.	3	1.97%
No - I'm all stock.	66	43.42%
Voters: 152. You may not vote on this poll

09-02-2012, 12:08 PM	#114
ruskymx Senior Member Join Date: Oct 2011 Drives: 13 HotLava FRS, 93 4Runner, 97 Taco Location: Orwigsburg, PA Posts: 407 Thanks: 96 Thanked 351 Times in 113 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	__________________ Jeff R @ Freedom Toyota-Scion My FRS Blog My Facebook Page for work. Rusky's Motocross Pics My YouTube Channel w/ FRS Vids

09-02-2012, 11:09 PM	#117
Jidonsu Senior Member Join Date: Jun 2012 Drives: Scion FR-S \| 6MT \| Ultramarine Location: CT Posts: 410 Thanks: 36 Thanked 98 Times in 60 Posts Mentioned: 1 Post(s) Tagged: 1 Thread(s)	That video reminds me of mine. Btw, did you let your engine idle after reconnecting the battery? I forgot to do that, and I'm going to give that a try this week. I doubt it'll change anything, but it's easy enough to try. __________________ FR-S \| 6MT \| Ultramarine

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09-02-2012, 12:07 PM	#113
dabocx Senior Member Join Date: Jan 2012 Drives: Scion FRS Location: United States Posts: 1,267 Thanks: 564 Thanked 261 Times in 191 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	Thats just beyond strange

09-03-2012, 01:11 AM	#120
uspspro Senior Member Join Date: Mar 2012 Drives: DGM BRZ, MR-S 3.5L V6 swap (sold) Location: Bay Area, CA Posts: 602 Thanks: 28 Thanked 188 Times in 121 Posts Mentioned: 1 Post(s) Tagged: 1 Thread(s)	wow that last video is nuts! The MAF is plugged in, right?! Sheesh!

09-03-2012, 02:27 AM	#126
Reason Member Join Date: Jun 2012 Drives: Whiteout 6MT FR-S; E30 BMW's Location: Vancouver, BC. Posts: 85 Thanks: 35 Thanked 139 Times in 26 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Is there a way to watch MAF signal (Hz?) with an obd2 reader? I would watch the maf signal and see if it's maybe actually disconnecting... someone else mentioned this happened with the mazdaspeed3 crowd when it was new and it turned out that intakes that relocated the maf and pulled the MAF wires really tight were actually causing disconnect issues.

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