Posts Tagged: car repair guide

P0120 Code: What It Means and How to Fix It Fast

P0120 Code: Diagnosis and Repair Guide Quick Summary A P0120 code is defined as: Throttle/Pedal Position Sensor ‘A’ Circuit. It means the engine computer is having trouble trusting the data from one of the throttle position sensors (TPS). The throttle position sensors tell the computer exactly how far the throttle plate is open. When that signal becomes inaccurate, inconsistent, or out of range, the computer sets the P0120 code and may put the vehicle into reduced-power or limp mode. The most common causes of a P0120 code are a failing … Read More