P0136 is a typical OBDII code that wake up in the Volkswagen Jetta. That is generally caused when the O2 Sensor voltage is not within common operating range.

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Bank one will be the next of the engine through cylinder 1 in the firing order.

Volkswagen Jetta P0136 Symptoms


Often, the just symptom that P0136 is going to it is in the service engine shortly light. In some cases, there deserve to be other symptoms as well. These symptoms include:

turbulent running engine Smelly exhaust company light on poor MPG

Most the the time, it’s not a breakdown risk. But, like anything that causes the company engine soon light to which it is a an excellent idea to have actually it resolved as shortly as possible. Control your car for really lengthy periods of time v P0136 deserve to potentially bring about engine, catalytic converter damage.

P0136 Causes: Volkswagen Jetta

Here space the most typical issues that cause the P0136 code in the Jetta. They are presented in bespeak (somewhat) of many to the very least likely to reason the problem.

Damage come the Terminal– The terminal that the oxygen sensor connects to (the plug) is also reasonably susceptible come damage. You’ll want to make sure that over there is voltage going come it. There’s an ext on that straight below. Exhaust Leak– If the exhaust is leaking, then it’ll allow oxygen in that shouldn’t it is in there. That can throw this code. Wrong O2 Sensor– If girlfriend are acquiring P0136 after having actually recently changed your Oxygen sensor, it might be the the replacement is wrong or bad.


Jetta P0136 Diagnosis

Here is a great video the covers all facets of diagnosing a P0136 trouble code It’s because that a VW, but the code is universal.

It is feasible to diagnose the P0136 through a multimeter. If you use the multimeter, you’ll recognize whether or not the voltage coming to and from the oxygen sensor is in ~ spec, this can help you determine if it’s your Jetta’s O2 sensor, or wiring harness that’s the issue.

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

You can also use a voltage check light to determine whether or not the oxygen sensor is getting any voltage at every (they’re about $5 at Walmart). If it’s not getting any type of voltage, connect the check light come the exploit plug and also shake the wiring a little bit. If the light come on, even for a second, you know that you have actually a short circuit bring about the P0136 problem code.

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Most of the time with P0136, it’s going to it is in the oxygen sensor chin that has caused the password to trigger. Great luck finding everything caused it in her Volkswagen Jetta. If you have actually anything the you would like to add, you re welcome feel free to leave a comment below.