Sudden loss of power

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  • lighiche
    Low Range
    • Jul 2012
    • 83
    #1

    Sudden loss of power

    Driving my Series IIA 109 SW after a successful 2000 miles on a rebuilt carb and engine. Lost power without any warning. Nothing dramatic happened. Just couldn't make hills anymore over 30 mph. Original 2.25 petrol engine with a new Roamerdrive. The engine's been overhauled for modern unleaded fuel with ethanol. Everything was working great until it wasn't.

    Help! I'm about to make a 1200 mile cross country trek. Any thoughts?
    Steve

    1962 Series IIA 109 Station Wagon
    1994 Defender 90
    Tags: None
    • SafeAirOne
      Overdrive
      • Apr 2008
      • 3435
      #2
      If it still runs but develops a decreasing amount of power (well, until it eventually dies), I'd check for obstruction in the fuel line. Everything from the screen on the fuel pickup tube in the bottom of the tank all the way to the inlet strainer on the carb (if equipped)
      --Mark

      1973 SIII 109 RHD 2.5NA Diesel

      0-54mph in just under 11.5 minutes
      (9.7 minutes now that she's a 3-door).

        Comment

        • lighiche
          Low Range
          • Jul 2012
          • 83
          #3
          Originally posted by SafeAirOne
          If it still runs but develops a decreasing amount of power (well, until it eventually dies), I'd check for obstruction in the fuel line. Everything from the screen on the fuel pickup tube in the bottom of the tank all the way to the inlet strainer on the carb (if equipped)
          Thanks for your suggestion. The fuel tank was rebuilt and the fuel lines, screen, inlet strainer all replaced. Given this, think I need to check it all again?
          Steve

          1962 Series IIA 109 Station Wagon
          1994 Defender 90

            Comment

            • TedW
              5th Gear
              • Feb 2007
              • 887
              #4
              Originally posted by lighiche
              Driving my Series IIA 109 SW after a successful 2000 miles on a rebuilt carb and engine. Lost power without any warning. Nothing dramatic happened. Just couldn't make hills anymore over 30 mph. Original 2.25 petrol engine with a new Roamerdrive. The engine's been overhauled for modern unleaded fuel with ethanol. Everything was working great until it wasn't.

              Help! I'm about to make a 1200 mile cross country trek. Any thoughts?
              Steve:

              Just a thought: Check your coil. I had power loss recently and thought it was bad gas - turned out to be a Pertronix coil that was going bad. I reinstalled my 44 year old Lucas coil and everything was swell after that.

              Ted

                Comment

                • cedryck
                  5th Gear
                  • Sep 2010
                  • 836
                  #5
                  I too had a coil that was Dying, slowly, and would create a loss of power issue with my 88. Bugged me long till I put an old SAAB coil in and drove it with no loss of power, then swapped the appropriate coil.

                    Comment

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