David, Nice one! I had never heard of this way of testing the Temp II sensor. Nice one about the needle through the insulation to check the voltage. I guess the standard way to test it is with an ohm meter to measure resistance? Your test seems more thorough. -- Craig On Wed, 6 Oct 2004 14:50:35 -0400, David Beierl <dbeierl@attglobal.net> wrote: > measure > voltage across T II sender (two-terminal sender at thermostat housing > left-rear of engine. T-II should show under a tenth of a volt on warm > engine. Use a needle through insulation of the wire on the non-ground > side, to the ground bolt at left head. If high, sender is bad or bad > contact or bad ground. If close to zero, turn off ignition, unplug the > sender, ignition on again and look for five volts on that line. If still > zero, broken wire to ECU or ECU problem. |
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