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wire for ecm at map is 13.4 volts running is this normal?

Vehicle: 2004 dodge grand caravan 3.3l v6

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P01018 Map sensor high

The voltage is suppose to be 4.9- 5.0 volts,When you are this high it is shorted to battery voltage

disconnect the engine coolant temperature sensor and remeasure, then measure the voltage at the ECM.

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