Posted by NawlensGator on May 03, 2009 at 05:23:13 from (68.155.73.155):
Replaced: dist cap, rotor, plugs, plug wires and coil wire to dist, coil, cleaned all fuel lines and strainers, good gas flow. It has electronic ignition. Timing light shows steady strobe when pickup is on each of the 4 plugs when engine is cool. Engine runs strong and sounds great. Then, after mowing for 20 to 30 minutes, the engine starts missing. Still runs, and can mow, but with less power and engine sputtering. Back at shed the timing light shows steady strobe on 2,3, and 4, but No. 1 is skipping noticably. Let cool, and sequence repeats.
It looks to me like the No. 1 plug is not getting a steady pulse after the engine gets hot. I'm baffled. Could this be an issue with the electronic ignition? Maybe not an ignition system problem at all? Help!
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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