p0174 code
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Freshman User
Joined: Dec 2001
Posts: 48
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From: Olathe USA
p0174 code
My 98 f150, 4.6l. starting running rough after installing new battery. Now it has logged a code po174 bank 2 too lean. Do I maybe have a bad sensor or maybe a fuel problem.... any help of where to start....Thanks dship
Lead Driver
Joined: Sep 2006
Posts: 7,907
Likes: 143
Bank 2 is the drivers side.
I doubt the battery replacement has caused to problem directly.
Look for an air leak from bad hoses anywhere between the mass air meter and the throttle body or the back of the elbow/ pcv etc.
This would be unaccounted for air.
The unusual thing is only one bank responded. Usually both side are affected but may be a bad sensor or wire harness.
Good luck.
I doubt the battery replacement has caused to problem directly.
Look for an air leak from bad hoses anywhere between the mass air meter and the throttle body or the back of the elbow/ pcv etc.
This would be unaccounted for air.
The unusual thing is only one bank responded. Usually both side are affected but may be a bad sensor or wire harness.
Good luck.
