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Re: Mercruser 4.5 Bravo 3 Low Block pressure Alarm
Posted: Sun Jun 09, 2019 9:51 am
by dogwspts
May have found it two times out no issues. Nock on wood.
Re: Mercruser 4.5 Bravo 3 Low Block pressure Alarm
Posted: Sun Jun 09, 2019 11:54 am
by ajcampen
dogwspts wrote: Sun Jun 09, 2019 9:51 am
May have found it two times out no issues. Nock on wood.
What was it
Re: Mercruser 4.5 Bravo 3 Low Block pressure Alarm
Posted: Sun Jun 09, 2019 2:33 pm
by dogwspts
One of them things. Sensor blocked water passage somewhere, Air drain system not seated closed. Had it out twice on issues . Not saying it wont happen again.
Re: Mercruser 4.5 Bravo 3 Low Block pressure Alarm
Posted: Sat Jun 15, 2019 9:17 pm
by dogwspts
Still not sure what the block pressure should read. Also will it change after a long run at same RPM.. ?????
Re: Mercruser 4.5 Bravo 3 Low Block pressure Alarm
Posted: Sun Jun 23, 2019 6:54 pm
by dogwspts
Dealer looked at this Saturday. The thing ran great...WTH.
Re: Mercruser 4.5 Bravo 3 Low Block pressure Alarm
Posted: Thu Jul 11, 2019 9:18 pm
by AsLan7
dogwspts wrote: Sat Jun 15, 2019 9:17 pm
Still not sure what the block pressure should read. Also will it change after a long run at same RPM.. ?????
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Not sure if this helps Dwp but took some screenshots of my block pressure while on the lake yesterday. This is for a 2005 496 mag HO mated to a BIII outdrive.
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Idle RPM = 2.6 PSI.....
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74987A1D-BB50-4D3D-A2EA-F43A4DA27992.jpeg
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2.000 RPM = 9.9 PSI
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403429C5-8D45-41C0-84DD-849422D06663.jpeg
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3,000 RPM = 14.8 PSI
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CB8590AB-5181-4765-B98B-4C5F1534D81D.jpeg
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Re: Mercruser 4.5 Bravo 3 Low Block pressure Alarm
Posted: Sat Jul 13, 2019 8:12 pm
by dogwspts
Thanks still waiting on the dealer to get to me Thought it was fixed but did it again to day. Run all day no problems then on the way home beeeeep low block pressure warning. Crazy,