MY CAR IDEL'S ROUGH AND I HEAR A WINDDING NOISE IN THE MOTOR WHEN I STEP ON THE GAS

Asked by BLITTLEWOMAN Nov 27, 2012 at 03:14 PM about the 1991 Mazda RX-7 Convertible

Question type: Maintenance & Repair

ILL BE INGEAR AND THE WILL LOSE ACCELERATION  THEN GO BACK. IT KIND OF BUCKS.

1 Answer

55

Possibly rotor tips gone, also check for carbon buildup on the throttle butterfly, that could count for the rough idle and "bucking", the grinding on the other hand, bearing on water pump or other pulley gone.

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