mowing yesterday and the oil light came on, checked the oil and it is full?
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ch18 oil light
- Thread starter jbland
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mgonitzke
Well-known member
Light is for pressure and comes on when pressure drops to something like 5psi. So, a few possibilities:
-Pressure switch has gone bad. Might be able to verify that with a few plumbing fittings, a gauge/regulator, your air compressor, and a multimeter. That, or put an oil pressure gauge in place of the pressure switch.
-Low oil pressure due to engine overheating. These engines tend to run a bit hot and must be kept clean and operated under load at full throttle.
-I suppose an oil pump failure is possible, but I can't say I've ever heard of this happening on a Command engine.
-Pressure switch has gone bad. Might be able to verify that with a few plumbing fittings, a gauge/regulator, your air compressor, and a multimeter. That, or put an oil pressure gauge in place of the pressure switch.
-Low oil pressure due to engine overheating. These engines tend to run a bit hot and must be kept clean and operated under load at full throttle.
-I suppose an oil pump failure is possible, but I can't say I've ever heard of this happening on a Command engine.
found a broken rocker and lifter came out, put lifter back in, new rocker now oll light is off but 0 compression on one cylinder
