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2006 CHEVY COBALT OXYGEN SENSOR HOW TO
2006 CHEVY COBALT OXYGEN SENSOR CODE
2006 CHEVY COBALT OXYGEN SENSOR FREE

2006 CHEVY COBALT OXYGEN SENSOR FREE

If you have anything that you would like to add, please feel free to leave a comment below. Good luck finding whatever caused it in your Chevy Cobalt.

2006 CHEVY COBALT OXYGEN SENSOR CODE

Most of the time with P0136, it’s going to be the oxygen sensor itself that has caused the code to trigger. If the light comes on, even for a second, you know that you have a short circuit causing the P0136 trouble code. If it’s not getting any voltage, attach the test light to the harness plug and shake the wiring a little bit. You can also use a voltage test light to determine whether or not the oxygen sensor is getting any voltage at all (they’re about $5 at Walmart). If it ends up being a wiring issue, it’ll save you money over buying an unnecessary O2 sensor. If you don’t have access to a multimeter, it certainly wouldn’t hurt to check the wiring to between the fuse box and the Oxygen sensor first. If you use the multimeter, you’ll know whether or not the voltage coming to and from the oxygen sensor is within spec, this can help you determine if it’s your Cobalt’s O2 sensor, or wiring harness that’s the issue. It is possible to diagnose the P0136 with a multimeter. Here is a fantastic video that covers all aspects of diagnosing a P0136 trouble code It’s for a VW, but the code is universal.

Wrong O2 Sensor– If you are getting P0136 after having recently replaced your Oxygen sensor, it may be that the replacement is wrong or bad.

Exhaust Leak– If the exhaust is leaking, then it’ll allow oxygen in that shouldn’t be there.

You’ll want to make sure that there is voltage going to it.

Damage to the Terminal– The terminal that the oxygen sensor connects to (the plug) is also relatively susceptible to damage.

2006 CHEVY COBALT OXYGEN SENSOR HOW TO

The downstream sensor is especially susceptible to this problem Here’s how to find a short in the wiring harness (Youtube) This is due to the fact that O2 sensors are under the chassis where they are subject to punishment from road debris, and they are subjected to a lot of exhaust heat. Wiring Harness Damage– The wiring that goes to the front and rear oxygen sensors is very susceptible to damage.They are relatively affordable at Autozone or Amazon. Although it is a temptation to replace it right away, it wouldn’t hurt to check out the wiring harness around it beforehand. Bad Oxygen Sensor– The oxygen sensor itself is one of the most likely reasons that P0136 is triggering your service engine soon light.They are presented in order (somewhat) of most to least likely to cause the problem. In some cases, there can be other symptoms as well. Here are the most common issues that cause the P0136 code in the Cobalt. How to Fix a P0138 Code: O2 Sensor Circuit High Voltage Bank 1 Sensor 2 Watch on Chevy Cobalt P0138 Symptoms Typically, the only symptom of P0138 is going to be the service engine soon light. Driving your vehicle for really long periods of time with P0136 can potentially lead to engine, catalytic converter damage. But, like anything that causes the service engine soon light to come on it is a good idea to have it fixed as soon as possible. Most of the time, it’s not a breakdown risk.

Often, the only symptom of P0136 is going to be the service engine soon light. It is typically caused when the O2 Sensor voltage is not within normal operating range.īank one will be the side of the engine with cylinder 1 in the firing order. P0136 is a common OBDII code that occurs in the Chevy Cobalt.