oil pressure

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  • 20Vcqdriver
    S2Forum Maniac
    • Jun 2007
    • 829
    • Country: United Kingdom

    #1

    oil pressure

    Anyone with a 3B in a series 2 cq had the oil light dimly light at tickover (mine at 760-780rpm). Goes out altogether if you hold at 1000rpm and only comes on when oil very hot 100deg + after a bit of quick motoring. Only just noticed this as was using the car in the dark for the first time since the conversion. No other issues apart from this.
    1986 Coupe q - 2281cc 3B, chargecooler, 2.75" exh & downpipe, ported head, water injection, CGR box, modified MD357 turbo, 440cc injectors, high power coil.
    2004 A4 2.5TDi convertible, re-mapped to 180bhp
    2011 A5 sportback 3TDi-Backbox delete, remap
  • K Simmonds
    S2Forum Zealot
    • Dec 2007
    • 7627
    • Country: Wales

    #2
    I'v seen this before. I would bet that it's nothing to do with oil presure, more likley some sort of dodgy earth either in the clocks or else where on the relevant wiring.

    HTH.
    1990 B3 2.0 80 quattro.
    1992 C4 2.8 Avant quattro
    1994 MTM RS2.
    1998 B5 TDI quattro Sport.
    2000 B5 TQS.

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