movie 125 s afi Werkstatthandbuch : Seite 182

          1. GENERAL INFORMATION                                                     Movie S 125i

 ENGINE LACKS POWER

                                                       Possible cause

1. Raise wheel off the ground        Wheels do not     Brake dragging
   and spin by hand                  spin freely       Worn or damaged wheel bearing


   Wheel spins freely


2. Check tire pressure               Pressure low      Faulty tire valve
                                                       Punctured tire

   Pressure normal


3. Accelerate lightly           Engine speed does      Air cleaner dirty
                                not increase           Restricted fuel flow
                                                       Clogged muffler
   Engine speed increase                               Pinched fuel tank breather


4. Check ignition timing             Incorrect         Faulty ECU
                                                       Faulty ignition pulse generator

   Correct


5. Test cylinder compression         Incorrect         Valve stuck open
                                                       Worn cylinder and piston rings
                                                       Leaking head gasket
   Normal                                              Improper valve timing

6. Inspect fuel flow                 Abnormal          Faulty pressure regulator


   Normal


7. Inspect the fuel injector         Abnormal          Faulty injector


   Normal


8. Remove spark plug            Fouled or discolored   Faulty spark plug


   Not fouled or discolored




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