The Throttle Position sensor signals the Engine Control Module as to the current position of the engine throttle valve.
The current throttle valve opening is based on the driver's input from the gas pedal. The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.
At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.
Difficulty Level (Easy)
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Repair Time (20 Min.)
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| Cost Prediction : $ 70-120 |
For p20a3 reductant purge control valve circuit high check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. P20A3 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks p20a3 reductant purge control valve circuit high with your car's computers to find out exactly what's prompting the light to turn on.
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P20A3 is a kind of Powertrain Trouble Code
Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air. |
You can view according P20A3 DTC for your car model. We selected several models to see obd2 solutions click and view it.
| +P20A3 Peugeot 205 | +P20A3 Mini Iv | +P20A3 Opel Astra | +P20A3 Bugatti Type 57 | +P20A3 Nissan Bassara |
Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.
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