The fuel and control system of the diesel engine of vehicle Skoda Kodiaq 1

Checking the causes of diesel engine malfunctions
Note: Make sure the following conditions are met: The Engine Control Module (ECM) and Malfunction Indicator Lamp (MIL) are functioning properly. There are no diagnostic trouble codes (DTCs) stored in memory. The...

Diesel engine power supply systems
Engine power supply and control system Components 1. Sealing ring; 2. Copper ring; 3. Sealing ring; 4. Fuel injector assembly; 5. Sealing ring; 6. Return fuel line; 7. Clamp; 8. Mounting bolt, tightening torque during...

Fuel injectors — removal and installation
Removal 1. Remove the upper decorative engine cover. 2. Remove the soundproofing coating. 3. Pull the return fuel line hose clamp upward (arrows) as shown in the figure below. 4. Disconnect the wiring harness connectors...

Fuel rail — removal and installation
Removal 1. Loosen the connecting nuts and remove the high-pressure fuel line between the fuel rail and the high-pressure fuel pump. 2. Open and disconnect the wiring harness connector (1) from the fuel temperature...

High pressure fuel pump
General appearance 1. Attachment mounting bracket; 2. Mounting bolt, tightening torque of mounting bolts during installation: 20 Nm + additional tightening by an angle of 45° (short bolt); 20 Nm + additionally tighten...

High-pressure fuel pump — removal and installation
Removal Caution: Do not operate the high-pressure fuel pump dry—without fuel. 1. Remove the timing belt (for more details, see the relevant section in the chapter " Diesel engine "). 2. Loosen the connecting nuts and...

Sensors — removal and installation
Removal and installation the intake air temperature sensor and the charge air temperature sensor after the intercooler Removal 1. Remove the upper decorative engine cover assembly. 2. Disconnect the wiring harness...

Fuel pressure regulator valve
Removal and installation Removal 1. Remove the upper decorative engine cover assembly. 2. Release the fuel return line hose (1) shown in the figure below. 3. Open the fastening clamps (arrows), disconnect and remove the...

Fuel pressure sensor
Removal and installation Removal 1. Remove the upper decorative engine cover assembly. Caution: Before performing the tasks described below, wear protective gloves and goggles. 2. Using a special solvent to remove...

Fuel differential pressure sensor
Removal and installation Removal 1. Remove the top engine cover assembly. 2. Open the thermal insulation cover (4) shown in the figure below. 3. Disconnect the wiring harness connector (3) shown in the figure below. 4....

Exhaust gas pressure sensor
Removal and installation Removal 1. Remove the upper decorative engine cover assembly. 2. Open the thermal insulation cover (1) shown in the figure below. 3. Disconnect the wiring harness connector (8) shown in the...

Lambda probe (oxygen excess sensor)
General appearance 1. Lambda probe after the catalytic converter (lower); 2. Exhaust gas temperature sensor; 3. Exhaust gas temperature sensor; 4. Exhaust gas temperature sensor; 5. Fastening screw, tightening torque...

Lambda probe — removal and installation
Removal 1. Remove the upper decorative engine cover. 2. Release the wiring harness connector from its holder, then disconnect it and release the wiring from the clamps as shown in the figure below. 3. Set the wiring...

Lambda probe (after catalytic converter)
Removal and installation Removal 1. Remove the soundproofing material and the body tunnel covering. 2. Remove the right floor covering. 3. Release the lambda probe wiring harness from the holder and then disconnect it,...

Throttle body module and intake manifold
General appearance 1. Sealing ring; 2. Mounting pin; 3. Fastening screw, tightening torque during installation 8 Nm; 4. Sealing ring; 5. Mounting screw; 6. Intake manifold stand; 7. Mounting screw; 8. Mounting screw; 9....

Throttle body module assembly
Removal 1. Remove the upper decorative engine cover assembly. 2. Remove the air filter housing assembly (for more details, see the corresponding section in the chapter " Intake and exhaust system "). 3. Unscrew the...

Fuel tank assembly
Ground connection for fuel filler neck 1. Connect the ground wire as shown in the figure below. 2. Check and ensure that the wiring harness connector is properly installed. Connector (2) for ground connection on the...

Fuel filter assembly
Removal and installation Removal 1. Turn off the ignition. If the fuel filter is removed to gain more space 2. Unlock the quick connectors and disconnect the fuel hoses (1) and (2) shown in the figure below. 3. Release...

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Read similar sections on other Skoda models

➧ User manual: Governing bodies Skoda Fabia 1 (1999-2007)
➧ General information: Controls and instruments Skoda Yeti (2009-2017)

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Kodiaq 1 (2016-2024)