P043B Trouble Code

View P043B obd/2 error code description and symptoms. P043B engine photo

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.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

P043B Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P043B light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If cylinder #1 high to low side open so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the cylinder #1 high to low side open.

P043B 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.

Common Causes of P043B

A common cause of code P043B is the failure of Cylinder #1 High To Low Side Open, but there are several other possible causes as well, such as ;

Damaged ECM
Faulty select solenoid
Fuel Injectors circuit poor electrical connection
Foreign matter caught in fuel filler cap

P043B code for all cars

You can view according P043B DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P043B Dodge Monaco

+P043B Chrysler Cordoba

+P043B Citroen Xm

+P043B Simca Vedette

+P043B Metallurgique 26

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