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1990 Nissan Pickup (D21) Question: I have a d 21 with a TBI 2.4L engine that idles faster and slower intermittenly,

 

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1987NissanD21Pick-Up2.4 TBI, 2.4L 4 Cylinder, Fayetteville, GA, August 26, 2013, 16:59
 Rookie

and when i go to drive it after i change gears it bucks when i try to maintain my speed. i changed the rotor button, distributor cap, plugs, and wires nothing also tried adjusting the T.B. nothing. whats going on?

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    Greg's Orange Auto (12192 Answers) , Orange, CA - (714) 361-9386
    globalhelper August 27, 2013, 06:12
     Master

    do you have any eng codes?

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    1987NissanD21Pick-Up2.4 TBI, August 28, 2013, 16:51
     Rookie

    Well i got the engine to properly fast idle and idle normally, now it still bucks after every gear after i let off of the clutch and stay in the same gear to maintain speed it still bucks the temp sensor has been replaced which like i said has taken care of the idle except i also forgot to mention that it has a rough idle not real real bad but noticeable

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