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I have an 01 SAN with the GT40. Can a bad alternator make the check engine light come on? The mechanic who is working on my boat seems to think light being on is caused by a bad alternator, however it is putting off 13 volts. If not what should I check to make this issue go away oil pressure and temp look good according to the gauges.
So I had all three sensors replaced 2 oil and one temp light still on any more ideas. Does computer need to be reset if so how, is there anything else that can cause such as low voltage mechanic says alternator is only putting out just over 12 volts not sure where he is getting this reading as I could only speak with his wife/ secretary today. Just had exhaust manifolds & risers replaced could this cause issue?
So I had all three sensors replaced 2 oil and one temp light still on any more ideas. Does computer need to be reset if so how, is there anything else that can cause such as low voltage mechanic says alternator is only putting out just over 12 volts not sure where he is getting this reading as I could only speak with his wife/ secretary today. Just had exhaust manifolds & risers replaced could this cause issue?