Re: P0171 and P0174
Quote:
Originally Posted by stroh69
Tried a new MAF already. Hope it's not that because I can't return it.
When I said the fuel press was between 55-58 the needle was fluttering extremely fast. After installing the new filter it is rock solid on 58 so I'm hoping that means the fuel pump is ok.
We reset the codes and we'll see if they come back. The air filter was just replaced also.
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Also it is the flex fuel.
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just curious. how did you try a new MAF and at the same time hope it is not the MAF becasue you cant return it 
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)
2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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