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Intermittent ABS Fault 307SW

Hi

307SW HDI 90 - 2003: Had ABS warning fault light come on last week on way visiting Portsmouth and then went away once stopped there for a couple of hours and came home. Not come back on since. Took to usual Puegeot dealer today and said fault with Rear OS sensor, but as intermittent was probably in wire which would need fuel tank removing to fix and hence a bit costly, but don't have it done unless light comes on again. They said it was not dirty but an electrical problem when I asked whether it just needed cleaning. Should I get a second opinion? Thanks Paul
Reply to
Paul C
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I think your dealer is a bit confused. The sensor wire on a 307 is easily changed without dropping the tank (like on the 407 for example). But I would have thought an intermittent fault would be caused by dirt on the pickup or the ring. However renewing the wire would be the easiest option as it would cure both potential problems. As I recall the sensor wire is around £40 and no more than 30 minutes to change including clearing the faults from the ECU memory.

Reply to
Nigel

Hi Thanks very much. The diagram shown here does show a wire going up over the fuel tank. Is the wire that they are referring to?. Is the sensor wire you were thinking of between the part 7015 and the wheel?

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Cheers Paul

Reply to
SecondSight

Hmmm. Not the best wiring diagram I've seen! 7015 refers to the sensor pickup on the schematic, but on the installation diagram it points to the connector! The fuel tank is in front of the axle on the 307 and does not get in the way of that connector. So what you get from your dealer is the pickup from the wheel and the wiring to the connector which is two wire grey type.

Reply to
Nigel

Well, its not intermittent any more. ABS warning light goes off at ignition time, always comes back on with a beep and message at 30mph. Paul

Reply to
SecondSight

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