Posts Tagged: engine diagnostic codes
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
P0130 Code Explained: Causes, Diagnosis, and Repair Costs
The Most Common Causes of a P0130 Code Quick Summary The P0130 code indicates a problem with the oxygen sensor circuit for Bank 1 Sensor 1, which is the upstream O2 sensor located before the catalytic converter. This sensor monitors oxygen levels in the exhaust so the engine computer can adjust fuel delivery. The most common causes of a P0130 code include • A failing oxygen sensor • Wiring problems • Exhaust leaks • Engine issues affecting the air-fuel mixture. Diagnosing the P0130 code involves checking sensor voltage activity, inspecting … Read More