Question:
I have the codes( 172, 174) Now I can't seem to finds a website to support this information.
the van is a
Ford Windstar 3.8
PLEASE HELP!!
Answers:
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P0172 and P0174 are lean codes. The most likely cause is a vacuum leak. There are several bulletins relating to your problem. Most of the time it is gonna be leaking intake plenum seals and isolator bolts.Does it run bad when cold?
How do I change the Timing Belt on a 4.2L Toyota Turbo Diesel 4wd Model 1HD-FTE?
call dealer172. Running lean on bank one (left side)
174. You guessed it. Running lean on bank two (right side)
Look for vacuum or exhaust leaks, then check the MAF. How long has it been since you last changed the fuel filter?
So what exactly does it sound like when your muffler bearings go bad?
Leaking vac. lines.If the van runs good, the upper intake manifold gaskets are hard and leak when the engine is cold. Change the upper intake gaskets if no vac. leak if found
Need recommendation of a good mechanic!! Work on Grand Am?
Replace the lower half of the upper intake (Ford part number CM-5053), fuel pressure regulator hose (Ford part number XF2Z-9E498-DD), and L/Side valve cover (Ford part number 3F2Z-6582-BA). These are updated parts to address vacuum leak issues. This is assuming you are referring to a '99 to '00 model year Windstar.More Questions & Answers ...
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