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96 HIJET...Dead Zone

Discussion in 'Daihatsu Hi jet' started by boomer mooner, Mar 6, 2011.

  1. boomer mooner

    boomer mooner New Member

    Well, that may be a little dramatic. The problem I have is while I am accelerating there is a spot where it just seems to lug for a second or two and then it will continue to accelerate. It only seems to happen in 1st and 2nd gear, probably about the same rpms but I don't have a tach so I don't know. Other than this dead zone while accelerating the thing runs like a top.

    Has anyone else had this problem? Any suggestions would be appreciated.
  2. fupabox

    fupabox Well-Known Member

    If it seems to be RPM dependent ,I would check the timing,and the vacuum lines to the dist.
  3. TRAX and HORNS

    TRAX and HORNS Well-Known Member

    I have had a few Suz. with that dead spot(stumble) and rebuilding the carb. was the fix.
    But always start with the simple things first as fupabox said.
  4. boomer mooner

    boomer mooner New Member

    Thanks for the replies.

    The vehicle had the dead spot when I bought it a few months ago. Since then I had a new timing belt and tensioner installed, so I don't think it's the timing. I'll see if I can find the vacuum lines and then move to the carb.
  5. fupabox

    fupabox Well-Known Member

    Even though the timing belt was recently done,the problem could still lie in the timing itself...most of these trucks seem to like a couple extra degrees of advance which will give you a tad more grunt down low...my thinking on the timing is that the vacuum advance may not be keeping up as you are hitting a certain rpm,and a bit more initial advance may do the trick...even if the vacuum lines are good the sweet spot between mechanical and vacuum advance may be a bit off
  6. boomer mooner

    boomer mooner New Member

    Thanks, I'll check this also.

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