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System too lean (bank 2)

Tiny
CHASE_BISHOP
  • MEMBER
  • CHEVROLET SILVERADO
I have a 2001 chevy silverado pickup it has a 4.8L and has apporx. 147.000 miles on it, I am getting a dtc. Of p0174 and I looked it up and its a system too lean bank 2 I recently changed my fuel pump and filter I replaced the old pump with a gm part, my question would be, what is "bank 2" and what do I need to replace?
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Thursday, November 29th, 2007 AT 1:42 PM

1 Reply

Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
Bank 2 is the passenger side of the exhaust system. You should check the intake gaskets for any vacuum leaks first.
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Thursday, November 29th, 2007 AT 10:46 PM

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