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S60 & V60 '11-'18 / XC60 '09-'17 General Forum for the P3-platform 60-series models |
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2011 S60- Intermittent limp modeViews : 549 Replies : 2Users Viewing This Thread : |
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Jul 12th, 2018, 16:38 | #1 |
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Last Online: Oct 16th, 2019 11:06
Join Date: May 2007
Location: NORWICH
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2011 S60- Intermittent limp mode
Hi all own a 2011 S60 Twin turbo D5.
For the past 3 months I have an intermittent fault. Under boost- normally higher in the rev range the car goes into limp mode. Only fault code is p029900 - Turbo underboost. The car drive for 10 miles and be fine all the way too work. Other times it is awful - almost continually flat. I am actually in the trade. Smoke tested the vehicle, cannot see any vac leaks at all. Put some turbo cleaner through the system and it improved it for a week and then got worse. Any ideas? Jim |
Jul 15th, 2018, 15:01 | #2 |
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Last Online: Jul 15th, 2018 15:01
Join Date: Aug 2013
Location: Ballybay
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Could be exhaust sensor there is 2 of the just after the manifold screw them out if covered in soot replace do the one closest to engine first the cost round £60 each
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Jul 15th, 2018, 17:29 | #3 |
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Last Online: Feb 4th, 2023 15:10
Join Date: Apr 2015
Location: uk
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t-map sensor
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