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post #1 of 7 Old 8th April 2019, 07:40 PM Thread Starter
Mikethepanel
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Question E60 M5 limp mode, three codes. Please help

Hi all, my friends 2006 pre lci M5 has been going into limp mode, it shows three codes which are
27DA altimeter fault.
2B57 air-mass sensor, plausibility
2796 throttle actuator- test, lower stop.

All fuses and relays are fine, i found water in the brake servo which i have since changed along with the master vacuum pump next to the servo, and still it persists! Sometimes the car will do less than a mile before limp mode and other times over 15 miles.

And ideas??
TIA
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post #2 of 7 Old 5th May 2019, 01:47 PM
White_m5_in_FL
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Any luck with this? I have the exact thing going on with mine. What are your LTFTs looking like? Mine are pretty bad, -20/-17. O2s and maf seem to function properly. From what I've been reading, it can be MAF sensors, vacuum leak, possible fuel pump/regulator issues, or maybe throttle actuators. It's a real downer when I hear the beep and feel the power loss.
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post #3 of 7 Old 8th May 2019, 12:11 AM
Matthew Cleary
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2796 is a faulty throttle actuator if i recall correctly. I replaced both of mine when they went.

Brgds,
Matt


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post #4 of 7 Old 8th May 2019, 12:15 AM
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Thanks Matthew. That's what I'm in the process of doing right now. I have them both pulled and paid $32 off Amazon for 2 sets of gears. I have them mounted on the shafts, just gotta drill and pin them. Hoping to have her back up and running in a couple days.
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post #5 of 7 Old 10th May 2019, 06:07 PM
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Better go ahead and grab an OEM or two and keep in the trunk.
If you do some searching you will see that many repaired TA's don't last long.

Last edited by Skills; 10th May 2019 at 06:08 PM. Reason: typo
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post #6 of 7 Old Today, 07:12 AM
Matthew Cleary
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^ what Skills said. The PCB's in the actuators can look ok but often they're cooked. Replacing the gearset has worked for some, but not everyone. Good luck. :-)

Brgds,
Matt


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post #7 of 7 Unread Today, 04:20 PM
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Quote:
Originally Posted by Matthew Cleary View Post
^ what Skills said. The PCB's in the actuators can look ok but often they're cooked. Replacing the gearset has worked for some, but not everyone. Good luck. :-)



...ask me how I know...
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