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The Oil light is blinking with "Oil, CH6", on my Sears Garden Tractor, model 917.28860. The oil reads correct on the dip stick. I changed the oil filter as well. What does CH6 mean?

My tractor has 101.4 hours and I changed the Oil (third time), Oil filter and Air Filter at 99.5. I've used it for about 1 1/2 hours and the hour meter is blinking now with "Oil, CH 6, 100.4". The manual does not explain this or what the problem might be. The Oil level reads correctly on the dip stick. There are no leaks from the filter or drain spout. What else can I check? What does CH6 mean? The filter is the correct Sears filter. It was snugged then added another 3/4 to full turn on it. I ran it about and hour after doing all this but today I get this problem.

Lawn Mowers
2 Answers from these members:
Manage My Life
by Manage My Life
March 22nd, 2010
0 votes
Larry Moncrief
by Larry Moncrief Earned 7 community points in Lawn Mowers
July 8th, 2020
0 votes
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