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Author Topic:   Check Pitot Warning
Falmouth Fisherman posted 06-02-2010 06:11 AM ET (US)   Profile for Falmouth Fisherman   Send Email to Falmouth Fisherman  
I have been getting a "check pitot" warning on the tachometer of my [Boston Whaler 190 OUTRAGE]. What does that mean? Is it or not a major [engine malfunction]? What I can do about it?
jimh posted 06-02-2010 09:46 AM ET (US)     Profile for jimh  Send Email to jimh     
It would be helpful if you identified the motor on your Boston Whaler 190 OUTRAGE. The tachometer apparently includes an alarm annunciator of some sort.

Check for debris obstructing the intake orifice of the pitot tube on the gear case of your engine.

Do you have a Mercury engine?

When you receive a warning message from your engine's instrumentation, you should check the owner's manual for advice on how to interpret the warning message and what action to take. The owner's manual should tell you what the message means, if the problem is serious, and what action to take. Unfortunately, I do not think you will find any advice on this in your engine owner's manual if you have a Mercury engine. This warning message is now somewhat famous.

There are prior discussions which have been initiated by owners of Mercury motors who were confused by this message and could not find a satisfactory explanation in their engine literature. Here are a few links:

2004 OptiMax: SmartCraft Gauge Warning: CHECK PITOT

SmartCraft Gauge Alarm: CHECK PITOT

Dauntless 180 posted 06-03-2010 10:36 AM ET (US)     Profile for Dauntless 180  Send Email to Dauntless 180     
[Deleted at the request of the author.]
Dauntless 180 posted 06-03-2010 12:17 PM ET (US)     Profile for Dauntless 180  Send Email to Dauntless 180     
Delete my above post. I thought he was talking about the paddle wheel. : (
Liteamorn posted 06-03-2010 04:51 PM ET (US)     Profile for Liteamorn  Send Email to Liteamorn     
When I got my 2005 Optimax the dealer warned me about the Check Pitot alarm. He told me it was a tiny hole on the front of my lower unit. He told me not to worry about getting the alarm. I believe that because I have a paddle wheel it is not crucial. I have been getting the alarm for a long time and all I do is acknowlege it and everything is fine. My motor runs beautifully and I don't worry about it.
Shrdlu posted 06-03-2010 04:58 PM ET (US)     Profile for Shrdlu  Send Email to Shrdlu     
The Pitot alarm is often triggered when you run over something and it momentarily blocks the input hole. It's happened to me when I plowed through a floating patch of seaweed.
Falmouth Fisherman posted 06-04-2010 11:28 AM ET (US)     Profile for Falmouth Fisherman  Send Email to Falmouth Fisherman     
Thanks for all the input. I have read the manual and still can't figure out where the pitot is located. I have been told that the pitot can be cleaned out with, for example, a paperclip. Can someone please direct me to where the pitot is actually located.
Dauntless 180 posted 06-04-2010 01:10 PM ET (US)     Profile for Dauntless 180  Send Email to Dauntless 180     
If your boat is on the trailer tilt the engine some. Run your hand along the front of the lower unit. You should be able to feel the hole. The are very small, I paper clip will work, even a shop vac will do the trick

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