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P1193 Diagnostic Trouble Code Discussion for May 2005

Fuel Tank Pressure Sensor Circuit High Voltage

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Trouble Ticket Help Requests for DTC P1193
Help Request Posted
2001 Dodge Grand Caravan ES 3.8L MIL Lamp on VIN: 2B8GP54L01
P1193: Intake Air Temperature Sensor Circuit High Voltage. This vehicle has a code P1193 present according to Alldata the setting criteria is when the signal exceeds 4.9 volts. The voltage on the iat signal line at start up is often exceeding the 4.9 volt threshold. I have looked for relative service bulletins and fou...
May 15, 2005