a slight vibration whilst driving my car also accelarator pedal is a bit stiff theres a knocking coming from under the accelarator pedal my car is a ford escort 1.8i 1998 petrol model
A vibration through the steering wheel is most probably the wheel balance. and the knocking noise under the floor is probably the lower wish bone bushes.you can buy a compleat lower arm cheep enough.
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