Empowering Mechanics The Essential Guide to P0120

The P0120 code points directly to throttle position sensor "a". your car being a 528i, im assuming a 2000 year model or earlier, with a cable operated throttle. I have a high idle issue with my 2001 Tacoma 4x4 w/2.7L engine. It goes into high idle and then I have to slap the gas peddle to get it to stop. If the MAF and MAP change dramatically and the TPS shows the same voltage it will trigger a P0120. It makes sense, the TPS voltage IS below what ... OBD-II Code P0120 is defined as a Throttle/Pedal Position Sensor/Switch "A" Circuit Malfunction. The Throttle Position Sensor/Switch is located on the Throttle ... The device said: "TPS/Pedal Position Sensor A Circuit Malfunction". The problem is that TPS stands for: "Throttle-body Position Sensor, which sits under the ... DTC Code P0120 for Volkswagen indicates a malfunction in the Throttle Pedal Position Sensor/Switch 'A' Circuit, where the sensor's voltage signal to the Engine ... RX - 1st Gen (1999-2003) - P0120 Code - 99 RX - Folks, For the longest time (years!) this 300 showed no codes...now all of the sudden, ... From memory, that was a open circuit on the signal wire. Wriggle the wires near both the ECU and TPS connectors. But most likely a wiring loom issue. P0120 is a diagnostic trouble code (DTC) that indicates there is a problem with the throttle position sensor (TPS) circuit, specifically circuit “A.”. While it ... When the throttle is closed, the signal voltage is approximately 0.45 volts. At WOT (Wide Open Throttle), the TPS signal voltage will reach close to 5 volts. If ...