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Anonymous Posted on Oct 02, 2016

What does code p031 mean, engine light is on. Light stays on while driving.

Engine light went on. code is p031. whay does this mean?????

1 Answer

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  • Chevrolet Master 3,828 Answers
  • Posted on Oct 02, 2016
magna buff
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Oxygen sensor heater circuit failure

check wiring to it ,its relay or replace 02 sensor


https://www.obd-codes.com/p0031

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