Question about 1998 Ford Windstar
Are the codes p0171 and p0174? p0171 system too lean (bank #1) p0174 system to low ( bank # 2) o2 sensors will go in pairs.
Posted on Aug 31, 2010
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Posted on Jan 02, 2017
More likely it's the intake manifold gasket leaking. They can become flat and **** air in passed the gasket, causing a lean condiiton.
Posted on Oct 02, 2009
P0171 - System Too Lean (Bank 1)
Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.
A code P0171 may mean that one or more of the following has happened:
P0174 is identical to P0171, except it indicates the problem exists on Bank 2 as well.
Posted on Nov 22, 2009
oxygen sensor failure
P0171 System too Lean (Bank 1) - Read Our Article On Oxygen Sensor Codes For Help With This Generic Check Engine Light Code
P0174 System too Lean (Bank 2) - Read Our Article On Oxygen Sensor Codes For Help With This Generic Check Engine Light Code
hope this is a bit of a push in the right direction ...
Posted on Feb 04, 2010
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