slight miss in '91 740 wagon(Regina System)

Discussion in 'Volvo 740' started by James B., Mar 19, 2006.

  1. James B.

    James B. Guest

    I've noticed that at about 50 mph and accelerating to that point there is a
    very subtle "miss." I guess that's the best way to describe it. Have new
    plugs,rotor, and dist. cap. throttle body is clean.also cleaned out idle
    control valve.
    wonder if fuel pressure regulator could cause this? fuel pump relay?
    thanks for your input.
    James
     
    James B., Mar 19, 2006
    #1
  2. James B.

    James B. Guest

    ok. maybe "miss" is not the correct way to describe what's going on.
    more of a slight hesitation.
    anybody have any suggestions?
    I did have the fuel pressure tested and it was lower than normal. .but
    mechanic did not seem to be concerned.
     
    James B., Mar 21, 2006
    #2
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