Took the new boat out last Friday to start break in hours and had no problems at all. Not that it matters much but it was 75 degrees and sunny outside and water was 50 degrees.
On Thursday my new prop came in so we switched from the stock 537 to the 1433.
Today we went back out to the lake for an open house at the marina. Did a few passes by the docks to show the boats. Didn't appear to have any problems but the check engine light came on. All fluids were good and no problems with gauges aside from light. I was told possible that the heater was pulling too much off the battery when it was running at idle or low rpm.

Any ideas?



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