DF140 Oil Light
 

Anyone,
Have two DF140's both instrument "OIL" lights are flashing. However, both engine oil levels are ok. Could this be a problem with oil pressure? Or would it most likely be an wire off at the instrument end. however, as i understand this would be two seperate wires coming from each engine to each instrument dial.?? any answers or ideas?

I recently had both engines serviced, but not at a Suzuki dealer....obviously i should have. Or is there something that the other workshop could have missed, not being familar with the Suzuki engines??

Appreciate any advise. Thank you,