CLEAN the RETURN line across the injector tops. Broken pump flex ring bits will plug that line and cause injection pump trouble. This can be confirmed by running until engine begins to fail, then quickly loose the pump timing cover. If engine speeds up/runs OK WITH the fuel leak but slows/dies with cover tight, it's confirmed the RETURN side is restricted/plugged. Also, the EARLY 4AF/5AF pumps are timed at 10 degrees BTDC. The LATE UPDATED 1AJ pumps are timed at 8 degrees BTDC. The original 3010 and 4010 pumps had no speed advance like the 20 series had, but lots were updated years ago.
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Today's Featured Article - On the Road with Dave Gohl: Deere Departed Friend - by Dave Gohl. Have you ever had to part with a dear friend? It's not easy. If it's due to death, your feelings could be in disarray for days, months or even years. Even now after almost 4 years, I still miss my dad. I remember when I was a kid my dad sometimes would tuck my brother and I in at night and we would ask him questions about his childhood on the farm. To this day, it's some of the best stories I've ever heard. And now, I'm so glad that I asked those questions, and if I were a little smarter i
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