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Thread: 1988 mitsubishi gas/power problem

  1. #1
    Join Date
    Aug 2008

    Unhappy 1988 mitsubishi gas/power problem

    1988 mitsubishi montero when the tank is full with gas i notice that the power is weak as if it seems like it is running at half the speed until you get to about a half a tank and then it runs normal and fine..

  2. #2
    Join Date
    Jan 2007


    earl - Look at the evap canister and see if its full of fuel. Check the vents on the tank to see if the system is being pressured which might cause a vapor lock condition, also check the gas cap. You may try running it with the cap loose when full to see if it make a difference.

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