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1999 Chevy S-10 Engine code

Tiny
XTREMEMAN34
  • MEMBER
  • 1999 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • MANUAL
  • 110,000 MILES
What will throw this engine code in a 1999 chevy s-10 xtreme 2 wheel drive 5 spd code is PO 137 its reading this message on my actron scan tool 02s ckt low volts 1 2
Tuesday, April 20th, 2010 AT 4:21 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
There are 2 O2/s in your carone before th converter and one after. The one after is the one screwing up so check and see if it's one any good and not damaged or a wire broken. Or if it is getting good voltage. It's probably bad though.
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Thursday, April 22nd, 2010 AT 7:24 PM

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