1998 Ford Ranger 98 ford ranger too lean

1998 FORD RANGER
100,789 MILES • 6 CYL • 4WD • AUTOMATIC
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LURCH241
  • MEMBER
  • 1 POST
hello i have a 1998 ranger 4x4 auto with the 4.0 and for the last 2 months i keep getting a code of p171 and p174 saying bank 1 and bank 2 are too lean i have done a tune up changed the 02 sensors what else could i possible do to maybe fix my problem
Dec 21, 2007 at 1:55 AM
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2CARPRO JACK
  • ✓Experienced Mechanic
  • 11,533 POSTS
Mass Airflow Sensor. Ford had problems with them.I personally havent had much luck with cleaning them.I do suggest that you use a Ford part versus an aftermarket. Only other thing is to check where the pcv line hooks to the manifold for a vacuum leak, if none replace the MAF
Dec 28, 2007 at 11:41 PM
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