What can i do to resolve acceleration defect on motion for KIA sEDONA 2003 MODEL ?

Asked by Aug 26, 2014 at 09:51 AM about the 2003 Kia Sedona

Question type: Maintenance & Repair

D CAR WILL SUDDENLY REFUSE TO MOVE EVEN AT THE FULL MATHING OF THE TORTLE. UNTIL I RELEASE THE TORTLE AND THEN PRESS SLIGHTLY,
PLEASE ADVICE.

8 Answers

73,915

Is there a cel light on?

113,535

I don't know what a tortle is or mathing, but T S T's right if it is car related there should be a check engine light.

NO CEL LIGHT OR CHECK LIGHT ON. WHAT I MEAN BY TORTLE HERE IS THE ACCELERATION PEDAL.

113,535

I suspect the the MAF, check your air filter, but it could also be a fuel pressure problem. When did you last change the fuel filter?

The air filter was checked and confirmed okay, after which the fuel pump was also changed completly as the fuel filter comes together with the pump. Still the problem persists.

113,535

Have the vehicle put on a "live data" scanner, that way you can see what the computer's inputs are and if they are right or wrong. Sometimes if the computer sees a signal from a sensor it will not turn on the check engine light cause it believes the sensor signal to be correct when it isn't, like your air temp sensor is telling the computer the intake air is 130 degrees when it is only 65, the computer believes the reading cause it is still in the range the computer has been programmed for. Make sense?

Yes scanner was placed to check but the result revealed malfunctioned sensor which was replaced .This could only extend the interval at which acceleration defects occurs now.

113,535

Was the system reset after the sensor was replaced?

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