localknoxville

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Hello all
My A5 2.0TDI has just started having a wobble on idle, it’s fine when driving and no loss of power
When I start it up, it will tick over but the rev needle starts to bounce up & down a bit
Done a quick scan and it brought up (as picture shows) fault code:
5174 Fuel Pressure Regulation
Regulation Discrepancy (P1065_00)
(101) Short to Plus

Is this the HP Fuel Sensor or Fuel Filter related?
 

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