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P1111 Diagnostic Trouble Code Discussion for November 2013

IAT Sensor Circuit Intermittent High Voltage

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Trouble Ticket Help Requests for DTC P1111
Help Request Posted
2002 Subaru Forester L 2.5L Surge, Misfire VIN: JF1SF63592
P1111: Atmospheric Pressure Sensor High Voltage. looking for discription of these codes 20B0 and 20B1 did not find in alldata or iatn archives. scanner gives no discription.the codes for p0304 p0303 I belive that is bad coil.trying to cover all basis before fix. thanks.
November 08, 2013