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pedders911

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About pedders911

  • Birthday 07/31/1953

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  • From
    Bristol UK
  • Porsche Club
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  • Present cars
    Porsche 911 C4S
    Mercedes Benz SLK
    Mercedes Benz 220CDI Est
    Fiat Panda 100HP
  • Former cars
    Porsche 944 Turbo
    Lotus Elan S4SE

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  1. Yes very much so. I remember now having a similar problem with my son's VW Lupo, which had engine management light coming on - which was traced, by computer diagnostics to a faulty brake light!! VW diagnostics 1 - Porsche 0. I guess the 'spikes' that occur when arching happens causes the computer to 'fault' picking the first code that comes to hand! I reckon it happens at the beginning of the journey because that is when voltages are at their highest, as battery charging is taking place... well a theory anyway. Thanks again for all the help and the swiftness of responses. Mark
  2. Thanks guys, this does seem to have done the trick..... First took screw holding foot-well ventilation duct in place out - allowing that to be moved an inch or two to one side to make access to switch easier. Second remove switch (quarter turn left or right and pull) Third remove wiring loom. catches on two sides need to be gently levered outwards. Finally disassemble switch - mark it so you know how it is assembled, then gently prise double clips on both sides and allow spring to separate it The problem was as indicated - dirty switch surfaces - clean and reassemble (the right way around - match your markings) Make sure the plunger is fully extended before putting it back in the car, check brake light functioning.
  3. So what is the problem, is it a sticky brakelight switch, poor connections? I have just had a quick look, not so easy to get to and a bit chilly tonight to have a serious go - how is the switch fitted?
  4. 2006 996 C4S with ~32,000 miles. I had a radiator hose blow a while back (clip not connected properly - my fault!) after which I had ABS/PSM light come on once - cancelled by turning ignition off and re-starting. Since then the warning light have come on almost once a journey - usually near the start, once cancelled they do not re-appear. It stopped happening in the run up to its service (don't they always!), but soince service (colder weather) has started to come on two or three times at the start of the journey, but again once it has doen so a few times it doesn't come on again..... Porsche service picked up codes suggesting pressure sensor fault - but the fault wasn't present during the service - advised I would need new ABS/PSM module ~£700 plus fitting if it continued or became other than intermittent - any ideas?? Mark
  5. Very many thanks - great resource - still no sign of OEM, though difference in C4S to other 996 is clear - shame picture doesn't show it up - extra confidence and all that!
  6. I am having to replace the condensers on a 2003 C4S (30K miles) and suspect the radiators need doing as well. I have managed to trace part numbers (Behr Hella) for the correct condensers, but they do not seem to be OEMs for Radiators. Any clues out there? Manufacturers, part numbers etc. Its been fun getting the right condensers as even the Hella site can be misleading.... Mark
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