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oil pressure problem on 348

Discussion in 'Europe' started by wayno31, Oct 9, 2007.

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  1. wayno31

    wayno31 Rookie

    Jun 20, 2007
    15
    #1 wayno31, Oct 9, 2007
    can you help i have a 348 on a 92 with 40 k on the clock its a mint car and has just under gone a full service however the car when started from cold shows approx 70 on the pressure gauge after approx 15 mins of driving the gauge nearly hits zero and the warning light flashes. i have had the readings checked by inserting a mechanical oil presure gauge to ensure it is not a faulty electrical problem, the oil filter is genuine, the oil is 10 40 shell super helix and the level is good. is this a common problem and have you any ideas what the problem may be
     
  2. Simon

    Simon Moderator
    Moderator Owner

    Aug 29, 2003
    6,876
    Switzerland
    Full Name:
    Simon
    #2 Simon, Oct 10, 2007
    Did the mechanical pressure gauge confirm the pressure drop was real and not simply a faulty electrical gauge?

    You could try posting this in the tech section, there are some great guys there. But to be honest, if the oil pressure drop is real I'd take it to a work shop. It may be something simple like a stuck by-pass valve, but driving the car with no oil pressure will quickly damage your engine.
     
  3. bob348

    bob348 Formula 3

    Apr 13, 2004
    1,553
    Liege, Belgium
    Full Name:
    Geoffrey
    #3 bob348, Oct 15, 2007
    it's common, and it's only a bad ground for the electrical gauge.
     

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