2011 Mustang GT bogs at 3k rpm - Mustang Evolution

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Old 05-24-2016, 03:41 PM   #1
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2011 Mustang GT bogs at 3k rpm

I have searched and found countless articles on this but NONE of them have a clear solution. I have a 2011 mustang gt mt6. Mods to the car-jlt carbon fiber intake, cat deletes, roush mufflers and Bama tune.

Issue- car runs okay until i hit 3k rpms then bogs until i get above 4k rpms. Does this in 2nd-5th grear Car has absolutely no power until after 4k. then everything is fine.

NO CEL, TC light does not come on. Ive had it with advanced trac off. Problem started 2 months after installing tune. I have checked coils and changed plugs. Tried every type of gas. Cleaned MAF and air filter. I pulled #47 fuse for 15 minutes. I have a tune so i know its not the usual "oh just get a tune" problem and it just randomly started one day and now several weeks later is extremely worse. Also I have checked exhaust for false knock. No clue what this is. PLEASE HELP ME FIX THIS DAMN THING
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Old 05-24-2016, 04:16 PM   #2
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Maybe try cleaning your throttle body. About to do mine this weekend time permitting.
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Old 05-24-2016, 04:33 PM   #3
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I sprayed sea foam inside tb and wiped it but did not take it off. Should I take it off and inspect the tb drive by wire system?
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Old 05-24-2016, 08:59 PM   #4
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Quote:
Originally Posted by cmlambert8 View Post
I sprayed sea foam inside tb and wiped it but did not take it off. Should I take it off and inspect the tb drive by wire system?


I've never played with SeaFoam. I'll be at Oreily's Thursday to get a filter and oil. I'll look for Throttle Body cleaner. I'm not experienced enough to be giving advice so I'm not comfortable handing it out....
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Old 05-25-2016, 05:12 AM   #5
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Quote:
Originally Posted by cmlambert8 View Post
Bama tune.

Problem started 2 months after installing tune.
Perhaps you should start here?
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Old 05-25-2016, 08:29 AM   #6
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Perhaps you should start here?


I didn't see about the Bama Tune.... Haha
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Old 05-25-2016, 08:44 AM   #7
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Very likely a tune issue. If you can, datalog and send your results to Bama for a look. It's a place to start. If you need how to help, just ask.



Does this occur at all throttle positions?
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Old 05-25-2016, 11:27 AM   #8
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Yes, datalog and go from there.
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Old 05-25-2016, 01:17 PM   #9
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Going to attempt data log tonight. But tunes just don't go bad do they

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Old 05-25-2016, 01:21 PM   #10
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No. Could be a cam phaser issue, or something along those lines.
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Old 05-25-2016, 06:48 PM   #11
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When I changed the plugs they had an awful burnt smell and were black. Car only had 45k miles

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Old 05-25-2016, 07:08 PM   #12
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Did it fix the issue?


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Old 05-25-2016, 07:21 PM   #13
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[QUOTE=bluey lewis;2370826]Did it fix the issue?

No it did not. The car has a burnt oil smell to it. im also wondering is the oil flow through the pvc has anything to do with this. I am beginning to think its a cam issue.
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Old 05-25-2016, 10:30 PM   #14
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Put the stock tune back in and see if the blog is still there.
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Old 05-26-2016, 04:04 AM   #15
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If I put the stock tune back on then I have to go through the hassle of putting the cats back on. I'm curious if this could be a solenoid issue or maybe something wrong with the CAI

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Old 05-26-2016, 11:45 AM   #16
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You can run the stock tune with no cats for this experiment. You won't hurt anything.
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Old 05-26-2016, 11:59 AM   #17
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Will do. Throwing the stock intake and tune back on. And drive it around. Didn't get to data log last night. Going to try if driving it stock doesn't fix it

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Old 05-26-2016, 04:00 PM   #18
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Car is stock intake and stock tune and still bogs. Feels like vct is not working until after 4k rpm

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Old 05-26-2016, 06:35 PM   #19
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Okay so.maybe someone can help here...I'm going to call BAMA tomorrow but I noticed when logging the sf3 said "vvexb1a" reading was 0.07 the entire drive. So my question is that an o2 sensor not reading? Or variable can sensor?

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Old 05-27-2016, 01:36 PM   #20
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I just replaced bank 1 (passenger) side can exhaust sensor and it didn't fix the problem. Why would this be? The data log shows no reading for vvtexb1a

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Old 05-27-2016, 02:22 PM   #21
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Well the sensor could be th e issue but also the wiring to it. You'll have to check them for continuity.
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Old 05-27-2016, 03:51 PM   #22
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Okay will try that also. Wires looked fine tho. I assume I had it right with meaning that was can position sensor bank 1.

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Old 05-29-2016, 01:06 PM   #23
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Thanks for the suggestions and comments! Finally got the issue solved! Seems to be one of the solenoids was getting stuck.

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Old 05-29-2016, 07:54 PM   #24
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Huh.? Gonna need a few details here....
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