B0262 Trouble Code

View B0262 obd/2 error code description and symptoms. B0262 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.

B0262 Error Code Repair Process :

If your cooling fan rationality check 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 B0262 and engine control unit are in charge of monitoring a bunch of different cooling fan rationality check malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

B0262 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Common Causes of B0262

A common cause of code B0262 is the failure of Cooling Fan Rationality Check Malfunction, but there are several other possible causes as well, such as ;

Exhaust tube
Camshaft advance mechanism binding (VCT unit)
Damaged camshaft position (CMP) sensor
Oil Control Valve (OCV) circuit is open or shorted

B0262 code for all cars

You can view according B0262 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B0262 Ford Freestar

+B0262 Vauxhall Zafira

+B0262 Rolls-royce Touring

+B0262 Fiat Qubo

+B0262 Pontiac Trans Sport

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

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