Monthly Archive: February 2015

P0135 Ford 2.3L – Test a Ranger 02 Sensor

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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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What is OBDII Testing

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It’s a common question for the average auto owner, and one that usually comes up when you notice a check engine light or check engine trouble code on your dashboard. Answering the question of what is OBDII testing is fairly…
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Three Commonly Misleading OBDII Trouble Codes

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Having worked in the automotive service industry for over 14 years, I can tell you that it’s not always easy to diagnose your OBDII trouble code and there’s a lot of misleading OBDII Trouble Codes. Many of these trouble codes…
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