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Fuel pressure sending unit

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barrynorman(at)comcast.ne
Guest

Posted: Mon Jan 16, 2012 4:55 pm Post subject: Fuel pressure sending unit

I notice on occasion the EIS will warn fuel pressure is outside normal parameters on the high side. For example it will read momentarily 8.8 psi and then go back to normal. My suspicion is the EIS fuel pressure sensor is going bad since the mechanical fuel pump should never supply pressures that high. Has anyone else ever had this problem? The engine sounds like it is running perfect and I don't notice a change in fuel flow either. 

  

Thanks, 

Barry

 [quote][b]

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331bp

Joined: 03 Oct 2011
Posts: 9

Posted: Mon Jan 16, 2012 6:39 pm Post subject: Fuel pressure sending unit

I had that same problem and traced it to a bad ground.  On mine it would only happen when I had several things turned on.   Check to see if it changes depending on the electrical load.  If so, check the ground between the engine and the point where the eis grounds.  



Bill Coleman

PulsarXP N331BP



-- Sent from my HP TouchPad

On Jan 16, 2012 8:06 PM, barrynorman(at)comcast.net <barrynorman(at)comcast.net> wrote: 



I notice on occasion the EIS will warn fuel pressure is outside normal parameters on the high side. For example it will read momentarily 8.8 psi and then go back to normal. My suspicion is the EIS fuel pressure sensor is going bad since the mechanical fuel pump should never supply pressures that high. Has anyone else ever had this problem? The engine sounds like it is running perfect and I don't notice a change in fuel flow either. 

  

Thanks, 

Barry

 [quote][b]

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nc-baehrdi(at)netcologne.
Guest

Posted: Tue Jan 17, 2012 12:15 am Post subject: Fuel pressure sending unit

The permanent vibrations can harm the fuelpressuresenders     mechanics.I attached mine with a soft rubbermount.

     Dieter Bähr

     Pulsar XP D-EKDT

     

     Am 17.01.2012 03:38, schrieb pulsar331(at)sbcglobal.net: ([email]pulsar331(at)sbcglobal.net:[/email])     [quote]I had that same problem and traced it to a bad ground.        On mine it would only happen when I had several things turned on.         Check to see if it changes depending on the electrical load.  If       so, check the ground between the engine and the point where the       eis grounds.  

       

       Bill Coleman

       PulsarXP N331BP

       

       

         

                -- Sent from my HP TouchPad

                On Jan 16, 2012 8:06 PM,         barrynorman(at)comcast.net (barrynorman(at)comcast.net) <barrynorman(at)comcast.net> (barrynorman(at)comcast.net) wrote: 

                       

I notice on occasion the EIS will warn fuel pressure is           outside normal parameters on the high side. For example it           will read momentarily 8.8 psi and then go back to normal. My           suspicion is the EIS fuel pressure sensor is going bad since           the mechanical fuel pump should never supply pressures that           high. Has anyone else ever had this problem? The engine sounds           like it is running perfect and I don't notice a change in fuel           flow either.         

          

Thanks,         

Barry       

        	  Quote: 	
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