P03A3 Proton Saga Flx OBD Code

OBD/2 P03A3 error code description and symptoms.

Vehicle Speed Sensor (VSS) Intermittent Indicates the powertrain control module (PCM) detected an error in the vehicle speed information. Vehicle speed data is received from either the vehicle speed sensor (VSS), transfer case speed sensor (TCSS), anti-lock brake system (ABS) control module, generic electronic module (GEM), or central timer module (CTM). This DTC is set the same way as P03A3. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for P03A3

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.

P03A3 Proton Saga Flx Error Code Repair Process :

If your vehicle failed a P03A3 test and the P03A3 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses lack of ho2s switch - sensor indicates lean a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look lack of ho2s switch - sensor indicates lean: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression. Use your OBD Express DIY to look at the oxygen sensor outputs, coolant temperature, airflow, calculated engine load, and inlet air temperature.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 20-50

Common Causes of Proton Saga Flx P03A3 OBD2 Code

A common cause of code P03A3 is the failure of Lack Of HO2S Switch - Sensor Indicates Lean, but there are several other possible causes as well, such as ;

• EVAP system hose leaking
• Faulty Intake Valve Timing Control Solenoid Valve
• Faulty Camshaft Position Sensor
• Incorrect Positive Crankcase Ventilation (PCV) hose connection

P03A3 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.

P03A3 code for other Proton cars

You can view according P03A3 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• P03A3 Proto Spirra
• P03A3 Proton 300
• P03A3 Proton 400
• P03A3 Proton Arena
• P03A3 Proton Gen
• P03A3 Proton Gen2
• P03A3 Proton Impian
• P03A3 Proton Inspira
• P03A3 Proton Juara
• P03A3 Proton Perdana
• P03A3 Proton Persona
• P03A3 Proton Preve
• P03A3 Proton Putra
• P03A3 Proton Saloon
• P03A3 Proton Satria
• P03A3 Proton Savvy
• P03A3 Proton Tiara
• P03A3 Proton Waja
• P03A3 Proton Wira

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