CODE P0172, QUICK SOLUTIONS?

1997 Mercury Cougar

Tiny

griff9191

October, 13, 2012 AT 9:49 PM

I have a 97 Merc Cougar with a 3.8L. I used a reader today and have the code p0172. I am wondering what are the least expensive, quick, simple fixes that are possible? I have read that O2 sensors and also MAS may need cleaned/changed.

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Tiny

KHLow2008

October, 13, 2012 AT 10:04 PM

For P0171 and P0172 it never is easy to get to the cause of the problem as there are too many possible reasons.

System is running rich and a clogged air filter can be the cause. That would be the easiest and least expensive of it. Other than that, O2 sensors, fuel pressure, regulator, MAF etc and further testings would be required.

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