The issue covered by the bulletin involves a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperature operation.
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.
Difficulty Level (Soso)
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Repair Time (30 Min.)
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Cost Prediction : $ 80-120 |
If your bank 2 fuel control shifted lean 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 P03B4 and engine control unit are in charge of monitoring a bunch of different bank 2 fuel control shifted lean, and if they get a reading that's a little out of whack, up pops the check engine light.
P03B4 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. |
You can view according P03B4 DTC for your car model. We selected several models to see obd2 solutions click and view it.
+P03B4 Scion Xd | +P03B4 Nissan Nv400 | +P03B4 Spa 25 Hp | +P03B4 Ferrari Gg50 | +P03B4 Nissan Laurel |