Vehicle power and exhaust systems Honda Civic 6

Fuel and exhaust systems — general information
The fuel system consists of a fuel tank, an electric fuel pump (placed in the gas tank), fuel pump relay, fuel rail with injection injectors, fuel pressure regulator, air cleaner assembly and throttle body. All models...

Location of fuel system components in the engine compartment
Location of fuel system components in the engine compartment (civic models with downdraft throttle body design) 1 - Hollow union connection of the fuel filter; 2 - Throttle body; 3 - Fuel line; 4 - Fuel pressure...

Power and exhaust system specifications
General parameters Characteristic Meaning Fuel pressure (at idle speed), kgf/cm² Civic With the vacuum hose of the regulator connected 2.0÷2.5 With the regulator vacuum hose disconnected 2.7÷3.2 Integra Engine B18B1...

Relieving pressure in the fuel system
Warning! Remember that gasoline is a highly flammable liquid! When working with fuel system components, observe all accepted fire safety measures. Do not smoke or approach the work area with an open flame or unprotected...

Checking the proper functioning of the fuel pump / fuel pressure
Warning! See warnings at the beginning Relieving pressure in the fuel system . Note: To check the fuel pressure, you will need a special pressure gauge with a wide scale range and an adapter to connect the pressure...

Checking the condition and replacing fuel lines and their fittings
Warning! See warnings at the beginning Relieving pressure in the fuel system . 1. Before servicing the fuel lines or their fittings, it is necessary to relieve the pressure in the fuel system (see Relieving pressure in...

Removal and installation the fuel pump
Warning! See warnings at the beginning Relieving pressure in the fuel system . 1. Disconnect the negative cable from the battery. Warning! If the car stereo system is equipped with a security code, make sure you have...

Checking the condition and replacing the fuel flow sensor
Warning! See warnings at the beginning Relieving pressure in the fuel system . 1. Remove the rear seat (see Chapter Body ). 2a. If equipped, remove the fuel tank access cover protective strip (see accompanying...

Removal and installation the fuel tank
Warning! See warnings at the beginning Relieving pressure in the fuel system . Note: The procedure is greatly simplified if the gas tank is emptied beforehand. 1. To relieve excess pressure, remove the fuel tank filler...

Fuel Tank Cleaning and Repair — General Information
Any repairs to the fuel tank and its filler neck should be carried out by specialists who have experience in carrying out this type of potentially dangerous work. Warning! Remember that even after cleaning and flushing...

Removal and installation the air cleaner assembly
1. Disconnect the negative cable from the battery. Warning! If the car stereo system is equipped with a security code, make sure you have the correct combination to activate the audio system before disconnecting the...

Removal, installation and adjusting the accelerator cable
Replacement 1. Disconnect the negative cable from the battery. Warning! If the car stereo system is equipped with a security code, make sure you have the correct combination to activate the audio system before...

Electronic Fuel Injection (EFI) System — General Information
All vehicles covered in this manual are equipped with a programmed fuel injection (PGM-FI) system (see illustrations at the beginning of this Chapter), which can be functionally divided into three main subsystems: the...

Checking the proper functioning of the injection system
1. Check the reliability of the electrical connections, especially the ground terminals of the injection system circuit. Carefully inspect all electrical connectors related to the operation of the system. Poor...

Removal and installation the throttle body
Attention! Before proceeding with the procedures, wait until the engine has cooled down completely! 1. Disconnect the negative cable from the battery. Warning! If the car stereo system is equipped with a security code,...

Removal and installation the fuel pressure regulator
Warning! See warnings at the beginning Relieving pressure in the fuel system . 1. Relieve the pressure in the fuel system (see Relieving pressure in the fuel system ). 2. Disconnect the negative cable from the battery....

Removal and installation of fuel lines and fuel injectors
Warning! See warnings at the beginning Relieving pressure in the fuel system . Removal 1. Disconnect the negative cable from the battery. Warning! If the car stereo system is equipped with a security code, make sure you...

Exhaust system — general information
Attention! Servicing of the exhaust system should be started only after its components have completely cooled down. Make sure that the car is securely fixed in the raised position. Caution! All vehicles covered in this...

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Civic 8 (2005-2011)

Civic 7 (2000-2005)