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A case of the burbles ...

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  • A case of the burbles ...

    1990 Fi

    here is the problem . starts and idles perfect but as soon as a load is put on the engine it acts like its hitting on 2 cylinders. if you sneak upon it it will rev out without a miss. the transition is instant like its an electrical problem.
    ive squirted starting fluid on all the vacuum lines when its running and have detected no leaks .plug wires are fairly new silicone and the cap and rotor is good.

    any help is appreciated

    :cry_smile:

  • #2
    Have you checked the VAF connections?

    Karl
    '93GL "Prettystiva" ticking B3 and 5 speed, backup DD; full swaps in spring!
    '91L "AquaMutt" my '91L; B6 swap/5 speed & Aspire brakes, DD/work car
    '92L "Twinstiva" 5sp, salvage titled, waiting for repairs...
    '93GL "Luxstiva," '94 B6 engine & ATX; needs overhauled
    '89L "Muttstiva," now a storage bin, future trailer project

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    • #3
      Did you install Bosch spark plugs recently?
      1991 Ford Festiva BP (Full Aspire/Rio Swap) (337k Miles) (Around 95k Engine)
      2002 Chevy Cavalier LS Sport 2.2L DOHC Ecotec (Threw a Rod)
      1998 Chevy Monte Carlo LS 3.1 V6 (225k miles) Best MPG = 28

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      • #4
        likely a spark miss, go over your ignition system with a fine tooth comb starting at the coil...
        Trees aren't kind to me...

        currently: 2 88Ls (Scrappy and Jersey), 88LX, 90L(Pepe), 91L, 91GL (Skippy) 93 GL Sport (the Mighty Favakk), 94 (Bruce) & 95 Aspire SEs, 97 Aspire (The Joker),
        94 Justy 4WD, 87 Fiero GT, plus 2 parts cars. That's my fleet.

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