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Boost sensor loom

Discussion in 'Altea - includes XL and Freetrack' started by A-Spot, Jan 18, 2020.

  1. A-Spot

    A-Spot Old Newbie

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    Been having a few problems with sensor faults on my Altea4 Freetrack. 2.0tdi 170(pd).
    Have replaced MAF, Boost Pressure Semsor and DFP pressure sensor. And fault still persists.
    Car starts with flashing coil light on, if I clear the fault it drives ok(no limp mode), but definitely down on performance and mpg. I have read on Ross tech pages about possible loom faults could be causing it. Has anyone else experienced this? Is the a particular part of the loom that I can focus on? Or is it just earthing issues, in which case which earth point to focus on?
    Any advise gladly received.
     
  2. A-Spot

    A-Spot Old Newbie

    Joined:
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    Found the loom fault. The earth behind the scuttle panel under wiper motor on the passenger side was damp and buried in leaf mulch. I cleaned it off, cleaned up contact surfaces, greased up and reassembled. Fault cleared and it’s running lovely again.
     
    Philip Santi likes this.

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