OBD Knowledge

P0302 Code: Cylinder 2 Misfire Detected Engine misfires reduce your engine’s power and can lead to serious complications. The P0302 OBD2 code triggers when cylinder 2 experiences misfires. Knowing which cylinder is having problems is very beneficial when you’re preparing to make repairs. The P0302 trouble code is potentially quite serious and warrants repair the […]

P0122 – Throttle/Pedal Position Sensor/Switch “A” Circuit Low The P0122 code triggers when the “A” circuit on your vehicle’s throttle position sensor gives too low of an input voltage. This sensor is used by your engine control module to track the position of the throttle. When it fails, your engine will activate the failsafe mode. […]

P0171: System Too Lean (Bank 1) The P0171 code generally tells you too much air is getting into your engine. While this fault code isn’t severe on its own, it can lead to further damage that is more serious. Let’s take a quick look at a brief of the P0171 code below. To help you […]

P0131 – O2 Sensor Circuit Low Voltage The P0131 code triggers when the voltage output of your upstream bank 1 oxygen sensor is too low. Your engine computer uses this sensor to control the air to fuel ratio. Since maintaining the correct rate is key to proper engine operation, you should note when this trouble […]

P0137: O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) Concerned about the P0137 code popping up and not sure what it means? Let’s give you a quick rundown of what to expect.  In this article, I will go over what the code means, possible causes, solutions, and repair costs.  Let’s get started! What Does […]