Volvo RWD 700 Forum

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drop out 700

posted by  someone claiming to be boosted on  Wed Oct 2 13:16 CST 2002 [RELATED]

my 760 turbo(1987) will drop to like 400 rpm when i blip the throttle. it'll rev to 2000 and drop to 400 then restore to the normal 750. what could this be? ignition(plugs, wires), airleak?, plain out dirty IAC valve, faulty coil?? help me out here. thank you








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    drop out 700

    posted by  Pokey on  Wed Oct 2 13:43 CST 2002
    Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
    last visit: Fri Jun 6 10:43 CST 2014
    [RELATED]

    #1 choices: idle control valve or the fuel pressure regulator on the fuel rail. LOOK FOR: Vacume leak?, dirty throttle body? mine was doing the same thing it was a vacume leak. simple things first, check all vac lines , connections to Idle control valve; both electric and air hose to that part.
    Dave in michigan








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      drop out 700

      posted by  Pokey on  Wed Oct 2 13:48 CST 2002
      Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
      last visit: Fri Jun 6 10:43 CST 2014
      [RELATED]

      I stand corrected yess the part is called Idle control motor, it is the dohicky hanging under the intake manafold with a hose from the intake and one from the big black intake hose from intercooler, as well as an electic connection/plug in.
      Dave in Michigan (fraid to go to garage and try my car)







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