Multi-point car injection system Audi A6 C4
In this section, checking and repairing elements of a multi-point injection system for gasoline engines that work with electronic engine management systems Motronic, Jetronic and Digifant.
Technical characteristics of the multipoint system
System type: – models with engine coding AAR Bosch KEIII Jetronic – models with engine coding ACE, AAD Bosch KE Motronic – models with ADR engine coding Bosch...
System type: – models with engine coding AAR Bosch KEIII Jetronic – models with engine coding ACE, AAD Bosch KE Motronic – models with ADR engine coding Bosch...
Air filter
Removal 1. Release the clamps and remove the air cleaner cover. Remove the air cleaner. 2. Loosen the clamps and disconnect the air tubes and vacuum hoses from...
Removal 1. Release the clamps and remove the air cleaner cover. Remove the air cleaner. 2. Loosen the clamps and disconnect the air tubes and vacuum hoses from...
Accelerator cable
Fastening the cable to the throttle sector (aDR engine) Removal 1. Remove the retaining clip and disconnect the cable from the throttle shaft. 2. Remove the...
Fastening the cable to the throttle sector (aDR engine) Removal 1. Remove the retaining clip and disconnect the cable from the throttle shaft. 2. Remove the...
Motronic/Jetronic fuel injection system components
Air flow sensor (Motronic 3.2) Air flow sensor location (aDR engine) On the ADR engine, the air flow sensor is mounted on the top cover of the air filter....
Air flow sensor (Motronic 3.2) Air flow sensor location (aDR engine) On the ADR engine, the air flow sensor is mounted on the top cover of the air filter....
Digifant Fuel Injection System Components
Air flow sensor Removal 1. Disconnect the air hose and connection connector from the sensor. 2. Loosen the mounting screws and remove the sensor. Installation...
Air flow sensor Removal 1. Disconnect the air hose and connection connector from the sensor. 2. Loosen the mounting screws and remove the sensor. Installation...
Fuel filter
Replacement 1. Disconnect the fuel lines from the filter. 2. Loosen the mounting bolts and remove the filter. 3. Installation is carried out in the reverse...
Replacement 1. Disconnect the fuel lines from the filter. 2. Loosen the mounting bolts and remove the filter. 3. Installation is carried out in the reverse...
Fuel pump and fuel level sensor
Removal 1. The fuel pump and fuel level sensor are installed in the fuel tank. 2. Remove the panel on top of the fuel tank. 3. Disconnect the pump/sensor...
Removal 1. The fuel pump and fuel level sensor are installed in the fuel tank. 2. Remove the panel on top of the fuel tank. 3. Disconnect the pump/sensor...
Fuel tank
Fuel tank components on models with ADR engine coding 1. Fuel supply pipe 2. Hose leading to the carbon filter 3. Return pipeline 4. Bypass tube 5. Filler neck...
Fuel tank components on models with ADR engine coding 1. Fuel supply pipe 2. Hose leading to the carbon filter 3. Return pipeline 4. Bypass tube 5. Filler neck...
Releasing pressure from the fuel injection system
Execution order 1. Remove the fuel pump relay or fuse and crank the engine with the starter for a few seconds to release the pressure. 2. Carefully disconnect...
Execution order 1. Remove the fuel pump relay or fuse and crank the engine with the starter for a few seconds to release the pressure. 2. Carefully disconnect...
Intake manifold
Elements of the upper section of the intake manifold on the AAR, AAN engine 1. Throttle position sensor 2. Mounting bracket 3. Connection connector 4....
Elements of the upper section of the intake manifold on the AAR, AAN engine 1. Throttle position sensor 2. Mounting bracket 3. Connection connector 4....
Unleaded petrol
The recommended fuel type is AI-95 gasoline; when using gasoline with an octane rating of 91, a slight loss of power will be noticeable. On models with a...
The recommended fuel type is AI-95 gasoline; when using gasoline with an octane rating of 91, a slight loss of power will be noticeable. On models with a...
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