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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKVI-A6 Golf family including Jetta SportWagen (~ 2010-2014)

VW MKVI-A6 Golf family including Jetta SportWagen (~ 2010-2014) Discussions area for A6/MkVI (2010-2014) Golf and Golf Wagons (Jetta Sportwagon in the USA).

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Old July 1st, 2018, 09:41   #1
peytah
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Location: Seattle, WA
Default MAP sensor replacement

Quick question: does anyone have tips on how to replace the MAP sensor? It's in a tight spot.

Longer story:
2010 JSW TDI Sportwagen. Getting P0111 and P026A codes that I clear, then they come back within about 20-30 miles. Always come back on same stretch of my commute, downhill 60mph highway, 6th gear, light to no throttle. Seems to run fine, but I'm planning to take it on a 2500 mile road trip for its last hurrah before sell back and would rather do it without a MIL.

I have a new sensor and am trying to install, but can't figure out how to. It is mounted on a hard plastic pipe coming out of the intercooler, but the sensor is in a tough spot right next to and below the alternator. I can barely get my fingers in there to touch the sensor, much less get a hex key (Torx?) on it. Do I have to remove the whole pipe out the bottom first? Bottom hose clamp is easy, top hose clamp is accessible, but little harder to get a hand around. Then there is a finger on the hard pipe that mounts next to the accessory belt with a T30. I loosened up this T30 (captured fastener it seems) and undid both clamps, but this finger won't let go. Any tips appreciated.

Codes if you're curious. Don't mind the 2012 date. Actually pulled a couple days ago.
2 Faults Found:
000273 - Intake Air Temp. Sensor (G42)
P0111 - 000 - Implausible Signal
Freeze Frame:
Fault Status: 01100000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 184857 km
Time Indication: 0
Date: 2012.11.07
Time: 20:22:17

Freeze Frame:
RPM: 0 /min
Speed: 0.0 km/h
Temperature: -90.0C
Temperature: 20.7C
Temperature: 18.9C
Temperature: 18.9C
Temperature: 52.2C

000618 - Charge Air Cooler
P026A - 000 - Efficiency Below Threshold - Intermittent - MIL ON
Freeze Frame:
Fault Status: 10100000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 184868 km
Time Indication: 0
Date: 2012.11.07
Time: 20:30:31

Freeze Frame:
RPM: 1771 /min
Speed: 104.0 km/h
Temperature: 56.7C
Temperature: 20.7C
(no units): 137.7
Temperature: 78.0C
(no units): 40.0

Last edited by peytah; July 1st, 2018 at 09:49.
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Old July 10th, 2018, 12:28   #2
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I tried again over the weekend to get at this sensor, but no dice. Removed the hose clamps from top and bottom, and I was able to get the finger loose. Bottom hose pops off easily enough, but top one doesn't have enough room for me to get my hand around it. Can't get it off and drop the pipe.

Cleared faults, but MIL came back after about 20 miles. No performance difference that I can note, no black exhaust. What do you think? Safe to take on a road trip? Or asking for trouble?
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Old July 10th, 2018, 13:34   #3
Curious Chris
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You tube is your friend: https://www.youtube.com/watch?v=uprZ72Hu9ZI There are better ones as after you disconnect the electric and the big clamp you need to take off the air box
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Last edited by Curious Chris; July 10th, 2018 at 13:39.
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Old July 10th, 2018, 15:31   #4
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I'm familiar with youtube. The video you found is for the MAF, not the MAP. Look at dipstick handle, MAP sensor is 6" below it.
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Old July 11th, 2018, 14:23   #5
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I will look at my wife's car tonight
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Old July 12th, 2018, 08:43   #6
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I found this thread last night. http://forums.tdiclub.com/showthread.php?t=487604 Confirms my thoughts about how to do it.

Too late at this point, as I'm leaving for the road trip early tomorrow morning and won't have time to swap the sensor. I did some live monitoring of the boost pressure yesterday using VCDS and the sensor seems to be working. Don't know what's causing the P026A and P0111 faults. Air inlet temp also looks normal.

Wish me luck and no black smoke.
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Old July 12th, 2018, 13:54   #7
Curious Chris
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Quote:
Originally Posted by peytah View Post
I found this thread last night. http://forums.tdiclub.com/showthread.php?t=487604 Confirms my thoughts about how to do it.

Too late at this point, as I'm leaving for the road trip early tomorrow morning and won't have time to swap the sensor. I did some live monitoring of the boost pressure yesterday using VCDS and the sensor seems to be working. Don't know what's causing the P026A and P0111 faults. Air inlet temp also looks normal.

Wish me luck and no black smoke.
Good luck. I have a cable clamp removal tool so all you need to do is position it and pump the hand and off comes the clamp. The one on the intercooler probably would be helped by this.
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