Code 0137. Bank one sensor 2 ' low Volt' + check engine light is on AGAIN?

Tiny
NCPADDOCK
  • MEMBER
  • 2000 CHEVROLET SILVERADO
Problem with 2000 Chevrolet Silverado 1500:

we have replaced sencer, cat converter, exhaust air valves = EVERYTHING has been replaced.
It just passed smog. Check engine lite came back after 3 days ( smog shop checked wirering & sensor ALL ok)
Please help.
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Tuesday, March 6th, 2012 AT 6:46 PM

1 Reply

Tiny
KHLOW2008
  • EXPERT
If the wirings are have been tested and you do not have any other trouble codes, recheck the O2 sensor.

With scan tool plugged in, monitor the O2 sensor voltage when engine is running.
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Tuesday, March 6th, 2012 AT 7:04 PM

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