hot day car starts with difficulty

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  • DEREKCO
    S2Forum Addict
    • Feb 2009
    • 435
    • Country: United Kingdom

    #1

    hot day car starts with difficulty

    Hi hope your combined knowledge can help ,yesterday in the north east it was a hot day I went to start my s2 and it turned and turned and turned eventually starting drove it home about 16 miles everything fine switched off started ok .The car had been standing in the sun for about 8 hours so the engine was cold .Anyone come across that problem before . Regards Derek !!!!!!!!
  • S2central.net
    Retired OG Mod
    • Jul 2003
    • 16590
    • Country: Northern Ireland

    #2
    Camshaft position sensor (G40) would be my first bet.... sometimes they play up with the heat and give inconsistent behaviour - the sensor is only really needed to get the car started so the brain knows where everything is as the engine is turned over.
    Paul Nugent
    Webmaster http://S2central.net
    Administrator http://S2forum.com

    1994 S2 Coupe ABY - aka Project Lazarus
    2001 A6 allroad 2.5TDi - family tank
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    Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

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    • DEREKCO
      S2Forum Addict
      • Feb 2009
      • 435
      • Country: United Kingdom

      #3
      Hot Start

      Thanks it does start eventually it only does it when its a hot day and the car has stood while engine cold

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      • WidowmakerS2
        S2Forum Addict
        • Oct 2007
        • 354
        • Current: Norway

        #4
        Check out my thread Here aswell.. Similar behaviour. I agree on the advice to check the G40 first. Easiest is to check with a good multimeter or a diode.

        If you connect the multimeter on the backside of your G40 contact, (two lower pins), you should see 5,0V with ignition on. Check your multimeter while cranking. You should get a dip every rotation of the rotor.
        If at first you don't succeed, destroy all evidence that you tried.

        -CQ 3b "S2".

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