Question about 2001 Toyota 4Runner

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STUTTERS DURING ACCELERATION

2001 4 RUNNER STUTTERS WHEN I SLOWLY HIT THE GAS AROUND 50 MPH, AND SOMETIMES FOR ABOUT A HALF SECOND WHILE ACCELERATING THROUGH THE GEARS. I'M NOT GETTING A CHECK ENGINE LIGHT WHAT COULD IT BE?

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  • jdmartie Feb 05, 2009

    Thanks Jerry for the info. I'm not to sure it's the sensor b/c it also happens when i accelerate when my rpm's get to about 2000 to 2500. It feels like it's cutting out. I recently replace the spark plugs and used bosch not sure if that could do it or not but are there any more options that it could be?

  • Anonymous Feb 22, 2009

    I have the same problem except mine is a 1988 4Runner. Just developed the other day as I was driving to work on the freeway. Brief stutter when I apply gas and/or accelerate though the gears. At idle...everything looks just fine, RPM's are steady and I just replaced the fuel filter last July...

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  • Toyota Master
  • 443 Answers

Throttle position sensor .. this lets the computer know just where your foot is on the gas .. It gets worn out in that position because that is where it is used the most. I would check it first then go from there... they are priced reasonable .. always start with the least expensive first then go from there. thanks Jerry holler if you need more

Posted on Feb 05, 2009

  • Jerry Koski
    Jerry Koski Feb 05, 2009

    There are so many things anymore most are electrical. we know its not the computer because it is running and I have never seen a computer make one cut out . so its either the plug wires or the coils if it has multible coils. and have you changed that fuel filter in a while ? wouldnt hurt if you havnt changed it .. its a cheap place to start also.. hey thanks again Jerry and holler if you need more ..

  • Jerry Koski
    Jerry Koski Feb 05, 2009

    one other thing you could clean the screen that goes into the throttle body this is another thing some overlook .. just another little thing to do.. jerry

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