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Ba Xr6 Turbo Breaks Down Under Boost


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4 replies to this topic

#1 OFFLINE   gtv6ford

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Posted 02 December 2011 - 07:03 PM

Hey people,

I have a BA mk2 xr6 turbo manual and am having issues with it breaking down under boost in first gear (running 15psi). It seems to only happen most when it breaks traction.... and no it's not because traction control is on.

I have put a new set of plugs in it gapped to .028 and put a new set of coils in it as well!!

Any one have any ideas???

#2 ONLINE   Mr_4.0

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Posted 02 December 2011 - 08:04 PM

Gap is fine. You say you've done new plugs and coils. Traction is off....

Could a faulty abs sensor do it guys?

Has it recently has it's tune changed?

Is it overboosting?

Checked fuel pressure?

Has anything changed?

Tourqe control??

Got an xcal to datalog?


Sorry for all the questions.... Just trying ringer a better idea of the situation
EF 1994 Fairmont 4.0 Auto, 3500rpm stall, 4.11's, head work, 1521a cam, moates chip, difillipo intake, pacemakers (14.63 @ 98MPH) Now sold!!

2003 Ba xr6 turbo - Atomic short, DTM auto, full nizpro stage 2 kit, eaton truetrack. HeadSex Tuned (11.43 @ 123MPH)

#3 OFFLINE   gtv6ford

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Posted 02 December 2011 - 08:22 PM

Torque control???


I am running a Bosch 044 pump so fuel shouldn't b an issue it's almost like it is running out of spark!!!

I do have an xcal datalogger.... Just haven't had the time to play with it!!! Any suggestions??

#4 ONLINE   Mr_4.0

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Posted 02 December 2011 - 10:50 PM

Just because you have a big pump doesn't mean fuel is getting to the rail....

Torque control is in the tune. If your tuner didn't set it up correctly or your making more power since it was last tuned them this can be an issue.

Try datalogging "commanded throttle" and "actual throttle". See what you get. This probably isn't the issue though.


How much fuel in your fuel tank?

EF 1994 Fairmont 4.0 Auto, 3500rpm stall, 4.11's, head work, 1521a cam, moates chip, difillipo intake, pacemakers (14.63 @ 98MPH) Now sold!!

2003 Ba xr6 turbo - Atomic short, DTM auto, full nizpro stage 2 kit, eaton truetrack. HeadSex Tuned (11.43 @ 123MPH)

#5 OFFLINE   riptide

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Posted 03 December 2011 - 04:55 AM

Does it feel like spark or fuel? If it's fuel I'm guessing the misses would be longer...

BF Mk2, ZF , 340.3 RWKW (375 S.A RWKW) , 677.4 nm

Profec B2 , 10psi actuator, surge & 044, 60lb Dekas

HDi GT2 IC 3" cold & 2.5" hot side, Pod, 3.5" s/s Xforce 4" Dump





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