O2 Sensor Heater Circuit Bank 1 Sensor 2 Ford Focus

If you had a v 8 you would have two sets of oxygen sensors. The sensor has a built in heater to get it hot quickly after starting the engine.

Ford Focus O2 Sensor Bank 1 Sensor 1 Location

A straight four cylinder engine only has one bank of cylinders 1 4.

O2 sensor heater circuit bank 1 sensor 2 ford focus. A set on side 1 or bank 1 and another set on side 2 or bank 2. A v 8 would have a second bank 5 8. It just refers to the bank of cylinders not a specific part or location.

How to repair p0141 ford code o2 heater circuit bank 1 sensor 2. It indicates that the focus has a lean condition. The cost of diagnosing the p0141 ford code is 1 0 hour of labor.

Oxygen sensors o2s or heated oxygen sensors ho2s need to reach a minimum operating temperature of 750 degrees f to produce an accurate voltage signal. Learn what o2 heater circuit bank 1 sensor 2 means location and how to repair. Bank two is on the side with cylinder number two.

With p0031 the o2 sensor is informing you that the heater circuit resistance is lower than the normal operating range. If these are the only two codes present fixing what is causing p0031 will more than likely clear the p0171. Oxygen sensors o2s or heated oxygen sensors ho2s need to reach a minimum operating temperature of 750 degrees f to produce an accurate voltage signal.

Usually the sensor is faulty but the heater circuit would need to be checked to be sure. Code 155 is for a problem with the heater circuit in the o2 sensor for bank two. The auto repair labor rates vary by.

This code will often appear with p0171.

How To Replace Oxygen O2 Sensor On Ford Focus Youtube