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

105,475

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

2 of 2 people found this helpful.
10

Don't know how to check the resistance.

1 of 1 people found this helpful.

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

1 of 1 people found this helpful.

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 of 1 people found this helpful.
Best Answer Mark helpful
105,475

Good show FordNut

1 of 1 people found this helpful.

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

105,475

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

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