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95 carry stalls when coming to a stop

Discussion in 'Suzuki Carry' started by ZukiMan2, Aug 5, 2022.

  1. ZukiMan2

    ZukiMan2 New Member

    Hey guys I’m back for more advise. I have a 95 suzuki carry dd51t for around town use. Recently I’ve been noticing when coming to a stop the truck picks up a rough idle and sometimes stalls whether it’s in gear or neutral does not seem to matter. I can save it from stalling by feathering the gas pedal. I only ever run lowest grade fuel at the pump because the owner before me said “don’t ever run high octane fuel, the truck runs like garbage” whether that’s related to this or not I have no idea. Looking for any input thank you!
  2. t_g_farrell

    t_g_farrell Active Member

    I run premium in my van, it runs much better on it. I would check the vacuum lines and make sure the carb is getting sufficient fuel flow at idle.
  3. Kauai Kei

    Kauai Kei Member

    These trucks are supposed to run at 95 (japan rating) octane gas, which translates to 92-ish premium over here. I always run premium, and if I can, ethanol-free.

    Maybe get your carb and timing adjusted?
    t_g_farrell likes this.
  4. Bookworm

    Bookworm New Member

    I'm on only my 3rd tank of fuel. The first tank I ran 87 octane, because I'm cheap.

    Second tank I filled 3/4 with the highest I can find around here, 91 octane, just as a test.

    3rd tank is 91 octane, as will be all future fuel. It just runs better; smoother, with better acceleration.

    It starts much easier, and I'm fairly certain the dings and dents in the body are less noticeable also.
  5. ZukiMan2

    ZukiMan2 New Member

    Appreciate the responses. Like I said I’ve just been fueling it based on what I was told from the previous owner. I plan on replacing the carb all together as it’s original, and the timing I know is good because I just replaced a water pump, cam seal, crank seal, and plugs. Vacuum lines were my suspected cause, but after going under the truck and feeling all the lines I’m not so sure. The lines are not stiff or dry rotted. So maybe I’ll try running premium fuel my next trip to the gas station and see how it goes. If that doesn’t solve it I’ll try the carb and the vacuum lines!
  6. ZukiMan2

    ZukiMan2 New Member

    Will update after the gas station murders my wallet
  7. Bookworm

    Bookworm New Member

    Another point I should make; I dosed the hell out of the fuel with cleaner.

    Doubled the dose of regular fuel system cleaner for the first tank, then ran -
    2 oz of Marvel Mystery Oil and 2 oz of Stabil per 5 gallons.

    The longer that fuel w/cleaner ran through the carb, the better it ran.

    My mini sat for an unknown amount of time - measured in years - before I stumbled on it.
  8. ZukiMan2

    ZukiMan2 New Member

    not to sound stupid but what is the best way to check if the carb is getting sufficient fuel at low idle.

    side note - the stalling issue is happening once the truck warms up. Also the warmed up idle is SUPER low. Like on the verge of stalling it sounds like.
  9. t_g_farrell

    t_g_farrell Active Member

    Disconnect the fuel line at the carb. Turn on the key so the pump runs, and check to make sure the pressure is within specs (I suspect for these trucks 2-3 psi would be the spec). Then setup a 1 gallon and see how many gph you get, again a guess would be around 30 gph or 1/2 gal in a minutes time. The specs I mentioned are assumptions but theres probably more details in some of the other posts on here.

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