Fuel injection system of the car Honda Civic 7

Precautions when working with the fuel system
Before carrying out repair work 1. Turn the ignition key to the "OFF" position. 2. Remove main relay No.2. Sedan. Hatchback. 3. Start the engine. Note: fault codes P0301, P0302, P0303, P0304 may appear. 4. After the...

Fuel pump
Check on the car 1. Perform the procedures specified in the section " Before carrying out repair work ". 2. Turn the ignition key to the "OFF" position. 3. Remove the center console. 4. Using a jumper, connect terminals...

Fuel pressure regulator (D17 engine)
Examination 1. Disconnect the cable from the negative terminal of the battery. 2. Reduce the pressure in the fuel system. 3. Disconnect the fuel pipes. 4. Connect the pressure gauge as shown in the figure. 5. Connect...

Injectors — checking, removal and installation
1. Start the engine. 2. Using a stethoscope, check the operation of the injector at idle. 3. Turn the ignition key to the "OFF" position. 4. Disconnect the injector electrical connector. 5. Using an ohmmeter, measure...

Throttle body (D17 engine)
Removal and installation 1. Remove the air filter housing. Tightening torque - 12 Nm 2. Visually inspect the cable. Replace if necessary. 3. Remove the throttle cable (A). 4. Disconnect the connectors of the idle speed...

Crankshaft Position Sensor (D17A Engine)
1. Remove the cylinder head cover. 2. Remove the crankshaft pulley. 3. Remove the seal (A) from the upper timing belt cover and disconnect the crankshaft position sensor connector (B). 4. Remove the upper (C) and lower...

Crankshaft position sensor (engine K20A)
1. Disconnect the sensor connector. 2. Remove the crankshaft position sensor (A). Tightening torque - 12 Nm 3. The sensor is installed in the reverse order of removal. When assembling, install a new sealing ring (B).

Camshaft Position Sensor (D17A Engine)
1. Remove the cylinder head cover. 2. Remove the seal (A) from the upper timing belt cover and disconnect the camshaft position sensor connector. 3. Remove the upper (C) timing belt cover. 4. Remove the sensor. 5. The...

Camshaft position sensor (engine K20A)
1. Remove the air filter. 2. Disconnect the connector from the sensor. 3. Remove the sensor (A). 4. The sensor is installed in the reverse order of removal. When assembling, install a new sealing ring (B). Tightening...

Coolant temperature sensor
1. Disconnect the coolant temperature sensor connector. 2. Remove the coolant temperature sensor (A). Engine D17A. Engine K20A. 3. Measure the resistance between the sensor terminals. Resistance - 200 - 400 Ohm 4....

Intake Air Temperature Sensor
1. Disconnect the intake air temperature sensor connector. 2. Remove the sensor. a) Disconnect the intake air temperature sensor connector. Engine D17A. Engine K20A. b) Remove the sensor. 3. Check the intake air...

Knock sensor
1. (If necessary) Remove the intake manifold/intake manifold bracket. Tightening torque - 24 Nm 2. Disconnect the connector from the sensor. 3. Remove the knock sensor. Tightening torque: D17A — 22Nm K20A - 31 Nm Engine...

Intake manifold vacuum sensor
1. Disconnect the sensor connector. 2. Loosen the sensor mounting screw (A). Tightening torque - 4 Nm 3. Remove the sensor (B). 4. When assembling, install a new sealing ring (C).

Oxygen sensor before catalytic converter
1. Disconnect the connector from the sensor. 2. Using a special tool with a 22 mm opening, remove the oxygen sensor. Tightening torque - 44 Nm Engine D17A. 3. The sensor is installed in the reverse order of removal.

Oxygen sensor after catalytic converter
1. Disconnect the connector from the sensor. 2. Remove the oxygen sensor. Tightening torque - 44 Nm 3. The sensor is installed in the reverse order of removal. Engine D17A.

Oxygen Sensor/Fuel Ratio Sensor Heater
1. Disconnect the oxygen sensor connector. 2. Connect the ohmmeter to terminals "3" and "4" of the connector. 3. Measure the resistance between the terminals. Resistance - 10-40 Ohm 4. Replace the oxygen sensor if...

Variable Valve Timing (VTC) Valve
Examination 1. Disconnect the cable from the negative terminal of the battery. 2. Disconnect the variable valve timing valve connector (A). 3. Remove the valve (B) from the cylinder head. 4. Make sure that valve "A" is...

Variable Valve Timing Control (VTEC) Valve
Examination 1. Disconnect the cable from the negative terminal of the battery. 2. Disconnect the valve connector. 3. Loosen the bolts (C) securing the valve (A). Engine D17A. Engine K20A. 4. Remove the valve. 5....

Fuel tank
Removal and installation (2WD models) Warning: Repairing a fuel tank that has not been properly steam cleaned can be dangerous. A tank explosion or fire could result in serious injury or death. 1. Disconnect the cable...

Control unit
Sedan 1. Disconnect the cable from the negative terminal of the battery. 2. Remove the glove box, the lower panel of the glove box, and the front side trim. Layout diagram of the electronic control system elements for...

Diagnostic system
Reading diagnostic codes using a special tool 1. Turn the ignition switch to the "OFF" position. 2. Connect the special tool to the diagnostic connector. 3. Install a jumper between terminals "4" and "9" of the special...

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Civic 8 (2005-2011)

Civic 7 (2000-2005)