Mercruser 4.5 Bravo 3 Low Block pressure Alarm

K Stephens · May 15, 2020

Anyone had issues with a low block pressure alarm sensor trouble ?????

Bt Doctur · May 15, 2020

Lots, impeller damage or sensor malfunction Working on a resistive by-pass for it

K Stephens · May 15, 2020

K Stephens said:
Anyone had issues with a low block pressure alarm sensor trouble ?????

Thanks I tried to put a wire in a sensor with a to simulate pressure. Temp is good would this be ok to by pass the sensor.

Docksidemarineservices · May 15, 2020

K Stephens said:
Thanks I tried to put a wire in a sensor with a to simulate pressure. Temp is good would this be ok to by pass the sensor.

Fix it the right way. Replace the sensor and retest.