on a ford f150 with 4.2 v6 code came up saying p0053 would that be the o2 senor on the right exhaust manifold?
P0053 H02S Heater resistance (Bank 1 Sensor 1 )
For this code to occur this can be a disconnected sensor or the 02 sensor is shorted. To find Bank 1 this is where the number 1 cylinder is located. standing in front of the engine what ever sparkplug is closest to the front of the engine this is Bank 1 and the other side becomes Bank 1 , All sensor 1 are upstream or engine management sensor. Any Sensor 2 those are downstream or catalytic monitor sensor. In this diagram it uses cyclinder 1 as the locator.
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