I have an engine light code P1133 what is this.

Tiny
ANONYMOUS
  • 2005 CHEVROLET COLORADO
  • 108,000 MILES

I have an engine light code p1133 what is this? How much would it be to fix? How difficult would it be to repair?

Saturday, January 19th, 2013 AT 2:54 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,342 POSTS

PO 1133 insufficient switching bank 1 sensor 1

Have you checked the O2 sensors?

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Saturday, January 19th, 2013 AT 3:37 AM

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