Search results | Ford Explorer Forums
  • Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street

    Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator,
    Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar

    Register Today It's free!

Search results

  1. J

    Indecisive EGR valve? Help!

    I started getting a check engine light caused by a P0401 code "EGR Flow Insufficient". I replaced the EGR valve. That didn't help. I replaced the sensor. That didn't help either. Just for grins, I replaced the PCV valve. Now, I get 2 codes, the original P0401 code and also a P0402 code "EGR flow...
Back
Top