Tiguan 2017 2.0 TDI 150 68,000 miles
Car threw warning lights and codes related to efficiency bank 1
Usually as soon as we took the car onto the motorway (car usually runs around town)
Garage fitted of a new DPF pressure sensor (cheap) as the first easy thing to change that might resolve the issue.
However P2002 code came up and reappeared after 3 clears (usually within a few days) indicated the problem isnt fixed
The diagnosis was to replace
- EGR valve and cooler (combined unit) 400
- Nox sensor 500
+ fitting + VAT (!)
Garage will only fit OE VW items as they say non VW items tend to fail again soon after
Garage suggested that we should definitely use only high detergent diesel not supermarket fuel!
Car has ran fine ever since
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