2014 Chevy Impala Oil Sensor Location (P055b Engine oil pressure sensor/switch B - circuit range/performance)
Motor Vehicle Maintenance & Repair Asked by Scott Hoffman on December 25, 2020
My 2014 Impala LS (2.5L Ecotec) is throwing an OBDII code for P055b. Immediately checked oil level with dipstick, all is fine there. I’m assuming that the sensor/switch (whichever it is) has simply failed. Problem is, I don’t know precisely where it is. Considering that sensor “B” is failing, I’d think that sensor “A” also exists. I can see what I think is one, right on top of the engine by the intake solenoid (circled in red). But, I’ve not been able to find the other. Is this sensor B? If not, does anyone know where on the engine it is?
One Answer
On the LKW engine P055B "Intake Camshaft Position Actuator Oil Pressure Sensor Performance" refers to the cylinder head oil pressure sensor. Circled in your picture. The engine oil pressure sensor is located on the block under the intake manifold. Up and right from the oil level switch shown in the picture.
Correct answer by Ben on December 25, 2020
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