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Old 09-08-2020, 03:10 PM   #1
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Toki's Avatar
City: Snohomish
Vessel Name: Toki
Vessel Model: Ranger 27
Join Date: Nov 2019
Posts: 151
"Low Boost Air Pressure"

Hey folks, my Ranger tug with the Volvo Penta D3-220 diesel flashed "low boost air pressure" on the display. I was able to clear the message, boat seems to be running great. Any idea what might be going on here?


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Old 09-08-2020, 03:52 PM   #2
City: gulf coast
Join Date: Jun 2014
Posts: 3,441
Loose hose clamp, Clogged air filter

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Old 09-08-2020, 04:16 PM   #3
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City: Los Angeles
Join Date: Feb 2020
Posts: 629
Until you find the cause of the message don't run wide open throttle.
If there is a boost leak your turbo may overspeed and fail suddenly.
To prevent that from happening, an electronically controlled engine
may go into 'limp home mode'.
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Old 09-08-2020, 06:50 PM   #4
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City: San Diego
Join Date: Jul 2020
Posts: 478
Could be damaged hose as well. Car dealer used "smoke" at the air intake on my turbo diesel Mercedes that had low boost and high boost. Split hose on a 4 year old car just out of warranty. I was able to run the car at highway speed with the dealers OK. Engine didn't produce full power though. I'm with Knotyet, OK to run at low speed if needed to get to repair or boat ramp.
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