P0471 Engine Error Code

When you check engine light came on code P0471 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0471 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on your car models.

P0471 Code Symptoms

Parts or components should not be replaced with reference to only a P0471 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

P0471 OBD-II Diagnostic Powertrain (P) Trouble Code Description P0471 OBD-II Trouble Code The Exhaust Back Pressure (EBP) sensor is a variable capacitance sensor that, when supplied with a 5-volt reference signal from the Engine Control Module ( P0471 Code Review : The reason of P0471 OBD-II Engine Error Code is P0471 Exhaust Pressure Sensor Range/Performance.

P0471 Code Dictionary Meaning:

p - Powertrain Code - Problem is related engine, transmission and emissions systems. 0 - SAE - Generic 4 - Fuel And Air Metering (Injector Circuit Malfunctions Only) 7 - Exhaust Gas Recirculation System Valve 1 1 - PCM Stack Overrun

How long can you drive with a P0471 code ?

If your vehicle is displaying a P0471 OBD2 error code but is still running and driving normally, it means that the issue might not be immediately critical or causing immediate harm to the vehicle. However, it's important to address the issue as soon as possible for several reasons:

• Potential for Worsening
• Decreased Fuel Efficiency
• Emissions Testing Compliance
• Risk of Further Damage
• Safety Concerns
• Legal Considerations