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5.1.12. System of injection Magneti Marelli 8P

FUEL NOZZLES

Removal

PERFORMANCE ORDER
1. Disconnect the negative plug of the accumulator.
2. Remove the air filter.
3. Unscrew two bolts of fastening of an arm of wires to the top part of a collector.
4. Remove electric sockets from nozzles.
5. Unscrew bolts and remove plates of fastening of nozzles. Nozzles No. 1 and 2 fasten one plate, and No. 3 and 4 another.
6. Take nozzles and remove from them sealing rings of round section. At installation of nozzles on the former place establish new sealing rings on each nozzle. Oil sealing rings engine for simplification of installation of nozzles.

Installation

PERFORMANCE ORDER
1. Establish nozzles into place and fix them by plates. Connect electric sockets to nozzles.
2. Establish an arm of wires to the top part of a collector and screw bolts.
3. Install the air filter and connect the accumulator. Start the engine and check nozzles for tightness.

FUEL PRESSURE REGULATOR

Removal

PERFORMANCE ORDER
1. Disconnect the negative plug of the accumulator.
2. Disconnect a vacuum tube from the regulator.
3. Having enclosed pure rags under the regulator, weaken a collar and take the fuel regulator from the highway.

Installation

Installation is made in the sequence, the return to removal.

POTENTIOMETER OF THE BUTTERFLY VALVE

The potentiometer of a butterfly valve is established sideways cases of throttles.

Removal

PERFORMANCE ORDER
1. Weaken a bracket and remove the electric socket from a potentiometer.
2. Unscrew two screws and remove a potentiometer from an axis of a butterfly valve.

Installation

Installation is made in the sequence, the return to removal.

ELECTRONIC CONTROL DEVICE (ECU)

ECU is located in a plastic box which is installed on a forward right longeron.

Removal

PERFORMANCE ORDER
1. Before removal of a cover of a box of the ECU block check that ignition is switched off. On models with the automatic transmission there are two ECU blocks in a box. The block operating a power supply system and ignitions is located closer to the engine.
2. Switch-off the electric socket, previously having lifted the lock lever in the top part of the socket up. Remove the socket from a back part, disconnect a forward part and remove the ECU block from pins.
3. Lift the ECU block up and take from the car.

Installation

Installation is made in the sequence, the return to removal.

ENGINE OF MANAGEMENT OF THE IDLING MODE

The engine of management of the mode of idling is located sideways cases of throttles.

Removal

PERFORMANCE ORDER
1. Release a bracket and remove the socket from the engine.
2. Unscrew two screws and remove the engine of management of the idling mode.

Installation

Installation is made in the sequence, the return to removal.

THE SENSOR OF ABSOLUTE PRESSURE IN THE COLLECTOR

The sensor is located on an inlet collector.

Removal

PERFORMANCE ORDER
1. Remove the electric socket and a vacuum hose.
2. Remove the sensor from a collector.

Installation

Installation is made in the sequence, the return to removal.

THE SENSOR OF TEMPERATURE OF THE ARRIVING AIR

The sensor of temperature of the arriving air is located in the case of throttles.

Removal

PERFORMANCE ORDER
1. Before removal of the sensor remove a potentiometer of provision of a butterfly valve.
2. Release a bracket and remove the electric socket from temperature sensor.
3. Unscrew the screw of fastening of the sensor and take the sensor from the case of throttles.
4. Check a sealing ring of round section of the sensor and if necessary replace.

Installation

Installation is made in the sequence, the return to removal.

SENSOR OF POSITION OF THE CRANKSHAFT

The sensor of position of the crankshaft is located on the coupling case face.

Removal

PERFORMANCE ORDER
1. Track an electrical wiring from the sensor to a connector of an electrical wiring and disconnect it from the main plait.
2. Unscrew a bolt of fastening and by means of the lever take the sensor from the rubber condensing ring.

Installation

Installation is made in the sequence, the return to removal.

ECU SYSTEM RELAY

The relay of the ECU block is located in a plastic box which is installed on a forward right longeron.

Removal

PERFORMANCE ORDER
1. Check that ignition is switched off, and uncover a box.
2. Switch-off the electric socket and remove the relay from an installation plate.

Installation

Installation is made in the sequence, the return to removal.

CAR SPEED SENSOR

The car speed sensor – an integral part of the drive of a speedometer.