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ase_master327, Shop Owner
Category: Dodge
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Experience:  +15 years experience with Dodge. Bumper to bumper diagnosis & repair.
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What does trouble code P0037 mean

Customer Question

2002 dodge ram.   Engine light on. 40,000 miles/4.7 V8.
Submitted: 9 years ago.
Category: Dodge
Expert:  ase_master327 replied 9 years ago.

P0037 - Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 1 Sensor 2

This is the driver's side rear oxygen sensor, that's the one behind the catalytic converter. There is no return signal from it. This means replace it.

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