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Running rough on low fuel 200 1978

posted by  jbowser on  Thu Feb 20 13:50 CST 2003
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last visit: Fri Dec 24 08:36 CST 2010
[RELATED]

Even if the in-tank is running, rhaire's advice still holds true as the car will (at least mine will) run if the pre-pump is out but if the hose is shot once your fuel level gets to that point it starts sucking "foam". According to Volvo technical literature the pre-pump was included on all models after 1977 to eliminate "vapor pockets in the line" by keeping approx 3psi fuel pressure on the inlet of the main pump.

Justin B.
83 Turbo






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New Running rough on low fuel [200][1978]
posted by  Klaus Fluoride  on Thu Feb 20 12:22 CST 2003 >


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