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2003 Volvo S40 Question: after 2000rpm the car fails to accelerate



Visitor, 1.9L 4 Cylinder Turbo, San Sebastian, PR, February 16, 2011, 17:39

after 2000rpm the car fails to accelerate and and check engine light goes on. THE SCANNER CODE SHOWS THROTTLE POSITION PROBLEMS

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  • Answer #1

    John Lamb from Lamb's Automotive, Inc., February 16, 2011, 18:32

    Your vehicle is probably in "limp in mode", due to the error in the throttle position sensor area. The rpm is limited so that the computer will not make a mistake based on poor input from this sensor. It should be checked by a professional to determine what is wrong in the throttle position circuit.

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