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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
1994 Ford Ranger V6 - 3L 215K miles
This truck will not pass inspection because it blows too high on the high rpm test. I have replaced:
1. The EGR valve
2. The PFE (called something esle on the Ranger)
3. EGR solenoid
4. Vacuum lines from the EGR to the pipe that runs off the egr...
First of all my thanks to doontz for his May 2009 posting (http://www.explorerforum.com/forums/showthread.php?t=255962) showing how to do the paper clip test on the OBD-I PCM, and to Joe Dirt for his video (same page) showing how to read the codes and for KOER. I never knew about KOER or the...
