Sure enough, at roughly 120,000 miles the light came on, my code reader gave an EGR code. I called the retired Dealer mechanic who had fixed it the first time. He said to clear the code with the reader and see if it came on again. If so, he suggested that the easiest next step, rather than go through the diagnostic process, was to replace the EGR valve assembly, making sure the associated plumbing was clear. I did. Cancelled the code again, it returned after about 10 miles. He then told me to go through the process I cad used on my 1989 Bronco II which involved key-on, push and hold a button on the Controller/computer unit, turn off/turn on. It worked on the Bronc-ette. No button on this EEC. Various sources have said that the button is, variously, located 'near the fuse panel' 'under the steering column' and, my favorite, 'behind the glove box. No dice. What now? By the way, the truck runs great, averaging 18-20 MPG.
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Friday, March 3rd, 2023 AT 10:58 AM
