P0158 is one OBDII password that wake up in many vehicles, consisting of theFord Explorer. The code is triggered when:

The voltage in ~ the O2 sensor remains over threshold for 20 seconds or much more Voltage to the sensor is to high (wiring problem, think short) bad O2 sensor chin

There are also some much less likely difficulties that can reason P0158. We’ll discuss them below.

You are watching: 2013 ford explorer bank 2 sensor 2 location

Bank 2 is the side of the engine v the 2nd cylinder in the firing order.

Sensor 2 is downstream of the catalytic converter.

Here’s a quite helpful video clip from top top diagnosing the code:

Ford traveler P0158 Symptoms

Typically, the just symptom the P0158 is going to it is in the check engine light. In some cases, there can be various other symptoms together well. These symptoms include:

unstable running engine Smelly exhaust company light on negative MPG

P0158 is almost never a malfunction risk (Chrysler vehicles gift the exception). But, favor anything that causes the service engine quickly light to come on it is a good idea to have it solved as quickly as possible.

Ford traveler P0158 Causes

Here are the most typical issues that cause the P0158 code in the Ford Explorer. They space presented in stimulate (somewhat) of most to least likely to reason the problem.


Damage to the Terminal– The terminal that the oxygen sensor connects to (the plug) is also relatively susceptible to damage. You’ll want to make certain that over there is voltage going come it. There’s more on that straight below. Wrong O2 Sensor– If friend are getting P0158 after having actually recently replaced your Oxygen sensor, it may be that the replacement is dorn or bad.

Explorer P0158 Diagnosis

It is feasible to diagnose the P0158 with a multimeter. If you usage the multimeter, you’ll understand whether or no the voltage coming to and from the oxygen sensor is within spec, this can aid you recognize if it’s her Explorer’s O2 sensor, or wiring harness that’s the issue.

If friend don’t have accessibility to a multimeter, it absolutely wouldn’t ache to inspect the wiring to in between the fuse box and also the Oxygen sensor first. If it end up gift a wiring issue, it’ll save you money end buying one unnecessary O2 sensor.

You can also use a voltage check light to determine whether or not the oxygen sensor is getting any kind of voltage at every (they’re around $5 at Walmart).

If it’s not getting any type of voltage, affix the test light to the exploit plug and shake the wiring a small bit. If the light comes on, even for a second, you know that you have a short circuit resulting in the P0158 trouble code.

See more: Kia Rio Check Engine Light Reset, Troubleshooting Kia Check Engine Light On


Good happy finding everything caused P0158 in your Ford Explorer. If you have actually anything that you would like to add, you re welcome feel totally free to leave a comment below.