P2420 Peugeot Promethee OBD Code

OBD/2 P2420 error code description and symptoms.

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.

P2420 Peugeot Promethee Error Code Repair Process :

The scent may P2420 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such P2420, so if the inside of your car p2420 evaporative emission system switching valve control circuit high as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Peugeot Promethee P2420 OBD2 Code

A common cause of code P2420 is the failure of P2420 Evaporative Emission System Switching Valve Control Circuit High, but there are several other possible causes as well, such as ;

Exhaust tube
Engine Control Module (ECM)
Faulty oil control valve (OCV)
Camshaft advance mechanism binding (VCT unit)

P2420 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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P2420 Peugeot Promethee OBD Code

P2420 Peugeot Promethee Error Code Repair Process :

Common Causes of Peugeot Promethee P2420 OBD2 Code

P2420 code for other Peugeot cars