dinkstreet 300 i abs Manuel atelier : Page 22

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          1. GENERAL INFORMATION                                                 Downtown 300i ABS




 POOR PERFORMANCE AT LOW AND IDLE SPEED

                                                            Possible cause

1. Check ignition timing                        Incorrect   Improper ignition timing


   Correct


2. Inspect the fuel flow                        Abnormal    Faulty pressure regulator


   Normal


3. Inspect the fuel injector                    Abnormal    Faulty injector

   Normal


4. Check for leaks in the intake pipe            Leaking    Loose insulator clamp
                                                            Damage insulator

   No leak


5. Perform spark test          Weak or intermittent spark   Faulty the spark plug
                                                            Faulty carbon or wet fouled spark
                                                            plug
                                                            Faulty ECU
                                                            Faulty ignition coil
                                                            Faulty ignition pulse generator
                                                            Faulty ignition switch
                                                            Loose or disconnected spark plug
                                                            wires
   Good spark




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