02 ford ranger obd2 codes

2002 FORD RANGER
Avatar
GOAT
  • MEMBER
  • 1 POST
PO171, PO301, PO302, PO303, PO304. system to lean (bank 1) all cylinders misfire detected. Main cause, Fixes? Running extremely rough.
Feb 12, 2011 at 11:58 PM
Advertisement
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Avatar
RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
Lean fuel condition could be caused by one of the following below:

1.Vacuum leaks
2.EGR and PCV valve.
3.Low fuel pressure.
4.Dirty fuel injectors.
5.Mass Air Flow Sensor.
6.Oxygen Sensor.
Mar 14, 2011 at 3:47 AM