P0470 Trouble Code

View P0470 obd/2 error code description and symptoms. P0470 engine photo

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

P0470 Error Code Repair Process :

If your p0470 exhaust pressure sensor malfunction 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 P0470 and engine control unit are in charge of monitoring a bunch of different p0470 exhaust pressure sensor malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

P0470 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 P0470

A common cause of code P0470 is the failure of P0470 Exhaust Pressure Sensor Malfunction, but there are several other possible causes as well, such as ;

Exhaust tube
Clogged or faulty fuel injector (s)
Fuel Injectors circuit poor electrical connection
Oil flow restriction in the oil passages or the VCT valve body

P0470 code for all cars

You can view according P0470 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0470 Dodge Charger

+P0470 Standard Eight

+P0470 Jeep Willys

+P0470 Suzuki Vitara Iv

+P0470 Fiat Bravo 2

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

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