2.3L LL23

P0135 Ford 2.3L – Test a Ranger 02 Sensor


The P0135 Ford OBDII check engine trouble code signals an issue with your upstream oxygen Ranger 02 Sensor. The specific error code for this Ford OBDII trouble code is Oxygen 02 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1). The heater…
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P0122 Ford 2.3L – How To Test a TPS


The P0122 Ford OBDII Trouble Code is a common issue for higher mileage or older vehicles, and refers to the Ford PCM receiving too low of a input signal from the throttle position sensor. When this occurs the Malfunction Indicator…
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