P0137 is a relatively common OBDII password that occurs in theNissan Frontier, it’s a basic code. This means that it has actually the same definition for any vehicle.

You are watching: Nissan frontier o2 sensor bank 1 sensor 2

This code is an alleged to let you recognize that there is an concern with the wiring or exploit going come the sensor, or the sensor chin is bad. Over there are other things that cause P0137 to populate. We’ll cover those below.

Bank 1 describes the next of the engine through Cylinder 1 in the shooting order.

Nissan Frontier P0137 Symptoms


Typically, the only symptom the P0137 is walking to be the service engine shortly light. In some cases, there can be other symptoms together well. These symptoms include:

turbulent running engine Smelly exhaust organization light on bad MPG

Most that the time, it’s no a malfunction risk. But, favor anything that reasons the organization engine soon light to come on it is a an excellent idea to have actually it fixed as soon as possible.

P0137 Causes: Nissan Frontier

Here are the most common issues that reason the P0137 code in the Nissan Frontier. They are presented in stimulate (somewhat) of most to least likely to reason the problem.


Damage to the Terminal– The terminal the the oxygen sensor connects to (the plug) is also reasonably susceptible come damage. You’ll want to make certain that there is voltage going come it. There’s much more on that directly below. Wrong O2 Sensor– If friend are gaining P0137 after having recently replaced your Oxygen sensor, it might be the the replacement is wrong or bad.

Frontier P0137 Diagnosis

Here is a wonderful video the covers all elements of diagnosing the P0137 code:

It is possible to diagnose the P0137 with a multimeter. If you use the multimeter, you’ll know whether or no the voltage comes to and from the oxygen sensor is in ~ spec, this can assist you identify if it’s your Frontier’s O2 sensor, or wiring exploit that’s the issue.

If you don’t have accessibility to a multimeter, it definitely wouldn’t ache to examine the wiring to between the fuse box and the Oxygen sensor first. If it end up gift a wiring issue, it’ll conserve you money end buying one unnecessary O2 sensor.

You can also use a voltage check light to identify whether or no the oxygen sensor is getting any kind of voltage at all (they’re about $5 at Walmart). If it’s not getting any type of voltage, attach the test light to the harness plug and shake the wiring a small bit. If the light comes on, even for a second, you recognize that you have a brief circuit bring about the P0137 problem code.

See more: What Type Of Transmission Fluid Does A Honda Crv Take ? Genuine Honda Atf (Automatic Transmission Fluid)


Good lucky finding whatever caused P0137 in her Nissan Frontier. If you have actually anything that you would favor to add, please feel cost-free to leave a comment below.