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Engine bogs in midrange

Discussion in '40- & 55-Series Tech' started by mattcobb, Nov 4, 2003.

  1. mattcobb

    mattcobb

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    On my 74 FJ40 F2 motor w/ orig carb --as I accelerate the low RPM range is fine, midrange bogs down and engine sputters a bit (sounds carb like) and then as RPMs increase it runs fine. Is this normal for cruisers? If not, what should I check / do?
     
  2. TJDIV

    TJDIV Back in The U.P.

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    Carb, fuel filter maybe? Sounds like a carb possibly, but I don't know the last time you changed filters/etc....
     
  3. 73lndcrsr

    73lndcrsr SILVER Star

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    I would check the fuel pump and filters. It sounds like fuel delivery to me. How long has it been since you did a tune-up? It could also be worth checking the timing.
     
  4. dogboy

    dogboy

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    here's another 2ยข: check your vacuum lines for leaks, etc... a vacuum/timing advance issue?

    just more pennies on your pile,

    -dogboy- '87 FJ60