Leaking Fuel pressure regulator
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Leaking Fuel pressure regulator
Can someone give me some guidence on a 94 volvo 850 non-turbo 2.4? My fuel pressure regulator is dripping and I've replaced it twice. Could it be that the pump providing too much pressure? I replaced the filter, pump (OEM) & MAS (used) 2 years ago and this has happened ever winter since. I also notice the leaking seams to begin when the outside temps drop below 0. I use to get 30 MPG and now I'm getting 19 MPG. Can I change the pressure in the fuel rail? Could it be the ring? Vacum? Where do I start?
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