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-   -   VST Diapham help! (https://www.offshoreonly.com/forums/general-q/176597-vst-diapham-help.html)

D Harry 01-03-2008 03:38 AM

VST Diapham help!
 
After reading this forum, and heard about this diapham cause I didn't know anything about it, I changed it cause it was in a bad state. Now I would like to ask, do I have to re set the fuel pressure again??

Thanks

Dave_N 01-03-2008 10:15 AM

The diaphram/spring regulates pressure in the VST, not fuel pressure. The older style is referenced to the low pressure pump, while the newer style is atmosphere referenced, so you should not have to do anything.

Dave

D Harry 01-03-2008 11:28 AM


Originally Posted by Dave_N (Post 2391552)
The diaphram/spring regulates pressure in the VST, not fuel pressure. The older style is referenced to the low pressure pump, while the newer style is atmosphere referenced, so you should not have to do anything.

Dave

Ok thanks, Dave cause I didn't know anything about it neither me nor my mechanic.:(

satisfactionII 01-03-2008 01:24 PM

D Harry, get a new mechanic quickly. Thee systems are not new ad any Merc Mechanic should know this system. Change mechanics before they lead you down the wrong expensive path.


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