P0478 Suzuki Swift Iii OBD Code

OBD/2 P0478 error code description and symptoms.

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 long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

P0478 Suzuki Swift Iii Error Code Repair Process :

If your p0478 exhaust pressure control valve high check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P0478 and engine control unit are in charge of monitoring a bunch of different p0478 exhaust pressure control valve high, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Suzuki Swift Iii P0478 OBD2 Code

A common cause of code P0478 is the failure of P0478 Exhaust Pressure Control Valve High, but there are several other possible causes as well, such as ;

Damaged ECM
Faulty oil control valve (OCV)
Incorrect fuel filler cap used
Faulty Variable Camshaft Timing (VCT) position solenoid

P0478 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.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P0478 Suzuki Swift Iii OBD Code

P0478 Suzuki Swift Iii Error Code Repair Process :

Common Causes of Suzuki Swift Iii P0478 OBD2 Code

P0478 code for other Suzuki cars