SOURCE: 2002 6 cylinder 3.o engine Ford Ranger. Cold start
Changed the air filter lately? Possibly defective O2 sensors, but I doubt it. If air filter and intake are clear, I'd check barometric pressure sensor and mass air flow sensors. Get a Haynes or Chilton's for $25 at Pep Boys for instructions on testing these componenets
SOURCE: codes po172 and po175 too rich mixture
easy one.. when ever you have codes and want to know what they are..visit.. www.bestdirectorysolutions.com on the home page.. left side, scroll down and click on trouble codes... good luck sir
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