12/18/2022 0 Comments 09 honda accord 3.5 order ignitionGood luck finding whatever caused P0137 in your Honda Accord. If the light comes on, even for a second, you know that you have a short circuit causing the P0137 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 Accord’s O2 sensor, or wiring harness that’s the issue. It is possible to diagnose the P0137 with a multimeter. Here is a fantastic video that covers all aspects of diagnosing the P0137 code:
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