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Code P0037

Tiny
2002CRV
  • MEMBER
  • 2010 TOYOTA MATRIX
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 141,230 MILES
Hi,
I have the base model and I am getting a check engine light along with the VSA and traction light light all on at the same time. The error code I am getting is a p0037. Should replace the o2 sensor or is the problem deeper?

Thank you,
Tony
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Sunday, September 24th, 2017 AT 6:21 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,452 POSTS
VSA/traction light will also be setting a code(s) but the free code reading done at parts stores will not read it because they only scan the engine computer as a general rule.

The P0037 can be a faulty sensor heater, or it can be that the wiring to the sensor has a problem and is shorted to ground. For instance it hit the exhaust and melted the insulation, or it chaffed through and is rubbing metal. I would check the wiring first, then change the sensor. Unless you have access to a scan tool that can control the 02 heaters for testing. If you do, reply back and we can go through that.
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Tuesday, September 26th, 2017 AT 7:17 AM

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