Manual Service Workshop Manual Octavia Engine Fuel Injection 1.9tdi 01-23-28

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Skoda Octavia MK1

Text of Manual Service Workshop Manual Octavia Engine Fuel Injection 1.9tdi 01-23-28

  • Service

    Workshop Manual

    Service Department. Technical InformationS00.5111.50.20 Edition 08.96

    1.9-ltr. / 66 kW (TDI) EngineFuel Injection and Glow Plug System

  • The Workshop Manual is intended only for use within the KODAOrganisation; it is not permitted to pass it on to third parties. 1996 KODA, automobilov a.s.

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  • Self-Diagnosis 01

    Edition 02.99

    Test of vehicle systems HELPSelect function XX

    X faults recognized

    Test of vehicle systems HELPSelect function XX

    Test of vehicle systems Fault memory is erased

    Readout in display:

    - Press the keys 0 and 2 for the function In-terrogate fault memory and confirm the en-try with the key Q.

    The number of stored faults appears in the dis-play.

    If one or several faults are stored:

    The stored faults are displayed one after theother.

    After the stored faults have been displayed, thefollowing readout appears:

    - Press the keys 0 and 5 for the function Erasefault memory and confirm the entry with thekey Q.

    Readout in display:

    Note:If you have switched off the ignition betweenInterrogating fault memory and Erasing faultmemory, the fault memory is not erased.

    - Press the key.

    - Press the keys 0 and 6 for the function Endoutput and confirm the entry with the key Q.

    - Carry out a road test. During the road test,once again interrogate the fault memory. Nofurther faults should be displayed.

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  • Self-Diagnosis 01

    Edition 05.97

    Test of vehicle systems Q03 - Final control diagnosis

    Final control diagnosis Start of injection valve -N108

    Final control diagnosis EGR valve -N18

    Final control diagnosis AC compressor cut-off

    - Press keys 0 and 3 for the function Finalcontrol diagnosis.

    Readout in display:

    - Confirm the entry with the key Q.

    Readout in display:

    When the valve is actuated, this results in aclearly audible change in the combustionnoise (diesel noise).

    If no change in the combustion noise can beheard:

    - Test injection timing device control range

    page 23-28.

    - Press the key.

    Readout in display:

    The valve should click.

    Note:The clicking of the valve cannot be heard be-cause of the engine noise and should thereforebe felt by touching.

    If the valve does not click:

    - Test EGR valve page 23-34.

    - Press the key.

    Readout in display:

    What is tested is the AC compressor cut-off.

    The test step is also displayed in the case ofvehicles without air conditioning.

    The AC compressor should stop within 5seconds (visual inspection with electrictorch), and then start and stop again approxi-mately every 5 seconds.

    If the AC compressor is not switched off:

    - Test AC compressor cut-off page 23-49.

  • 01 Self-Diagnosis

    Edition 05.97

    Final control diagnosis Fuel cut-off valve -N109

    Final control diagnosis Charge pressure control solenoid valve -N75

    Final control diagnosis Glow plugs relay -J52

    Final control diagnosis Glow period warning light -K29

    - Press the key.

    Readout in display:

    The engine should stop.

    If the engine does not stop:

    - Switch off the ignition.

    - Unscrew fuel cut-off valve and clean anymetal swarf and dirt.

    - Repeat final control diagnosis; if the engineagain does not stop, replace fuel cut-offvalve.

    - Press the key.

    Readout in display:

    The solenoid valve should click.

    Note:It is very difficult to hear the clicking of the valveand it should therefore be checked by touching.

    If the solenoid valve does not click:

    - Test charge pressure control solenoid valve

    page 23-24.

    - Press the key.

    Readout in display:

    The relay should click.

    Because of the high power consumption ofthe glow plugs, it is a