4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

car runing lean on 1 bank

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Old 01-26-2009, 03:59 PM
  #11  
GTRACER88
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Originally Posted by mustangman281
You are probably mistaken on what code you had.

A P0171 lean code for bank 1 is the cylinder bank on the RIGHT (passenger) side of the engine on Ford vehicles with a V6 or V8 engine and rear-wheel drive.

A P0174 lean code for bank 2 is the cylinder bank on the LEFT (driver) side of the engine on Ford vehicles with a transverse-mounted V6 engine and front-wheel drive. This code is not set on four cylinder engines (no bank 2).

http://www.aa1car.com/library/ford_lean_codes.htm
Thats the one i had.
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Old 01-26-2009, 09:16 PM
  #12  
forpointsick
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my manifold on the passenger side is leaking at the head a little would this mess with the o2 senser
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Old 01-26-2009, 09:52 PM
  #13  
livefast1
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an exhaust leak before the o2 sensor can cause a false reading.
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