V-6 F-150

2001 FORD F-150
164,000 MILES • 6 CYL • 2WD • AUTOMATIC
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TLCROSBY
  • MEMBER
  • 1 POST
I have 2001 Ford F-150 (V-6) that the check engine light has come on. I have replaced the EGR Vavle, MAF Sensor, DPFE Sensor and the valve cover gaskets and cannot get the light to sty off. the code is for lean bank 1 and 2.
Apr 20, 2011 at 6:33 PM
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.
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WRENCHTECH
  • CAR REPAIR CONTRIBUTOR
  • 20,761 POSTS
I assume you have codes PO171 and PO174. These codes are common on a Ford and are nearly always caused by a severe vacuum leak. Listen for a hissing noise at idle and try to follow it to it's source. The rubber connectors and PCV hose are common locations for the problem.
Apr 20, 2011 at 7:51 PM
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