O2 Sensors

10

Asked by Apr 23, 2015 at 12:12 PM about the 2003 Dodge Ram 1500 SLT 4WD Quad Cab LB

Question type: Maintenance & Repair

Replaced 2 (Denso) O2 sensors with 2 (Bosch) sensors and the scanner still reads P0052 Bank 2 sensor 1 Heater High and P0058 Bank 2 Sensor 2 Heater High.

7 Answers

83,395

Check the O2 heater circuits, you may have high restance there.

2 out of 2 people think this is helpful.
10

Don't know how to check the resistance.

1 out of 1 people think this is helpful.
146,515

You need an ohm meter or a multi-meter that has a setting for ohms, and if you are not experienced, best have it done. But if you are going to do it see this: And remember you are not testing the sensor, you are testing the circuit http://www.ericthecarguy.com/obd-code-lookup/23-obd-codes/obd-ii-codes/141-p0141-p0135-p0147-p0155-p0161-p0167-02-sensor-heater-circuit-malfunction

146,515

From that article: ".....you might find yourself scratching your head because the sensor you replaced didn't turn off the check engine light." Be sure to watch the video, the top one with the scanner. It's long, ½ hour but you will learn a lot, I did.

1 out of 1 people think this is helpful.
Best Answer
83,395

Good show FordNut

1 out of 1 people think this is helpful.
146,515

I don't want to step on your toes t-shoes. Just found that and thought you might be gone

83,395

No problem there, that was great information, and that is why we are here.

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