Code P0174?

Tiny
METULHEAD365
  • MEMBER
  • 1999 FORD RANGER
My check engine light came on and when I connected it to a scan tool, it gave a trouble code P0174, lean on bank 2. How do I fix this?
Saturday, September 20th, 2008 AT 12:26 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
First thign to do is to check for exhaust leaks on bank 2 before the o2 sensor BEFORE the o2 sensor. If thats not it, check for intake/vaccum leaks on bank 2.

If all above is good then chances are you need a new o2 sensor
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Saturday, September 20th, 2008 AT 6:24 PM

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