engine was staling out at idile so removed carps and cleaned.engine started right up and ran like a top.left the dock to test out got to 4200 rpms and motor went into limp mode 2000 rpms within 5 minutes with no alarm. changed thermostat and tested alarm buzzer ok. engine wasnt hot. tried again 2000rpms again.oil level showing full on tack. any help would be appreciated.
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