Elements of the fuel injection system 4-cylinder models 1. Fuel filter (not visible) 2. Air filter housing 3. Fuel pressure regulator 4. Injectors 6-cylinder models 1. Throttle body 2. Fuel filter (not...
Specifications Fuel pressure Ford Probe: – the ignition key is turned, the engine is not running 35 – 40 psi - the engine is running 30 – 45 psi Mazda: – engine running, fuel pressure...
Relieve pressure in the fuel system Attention! Observe all fire safety rules when working with fuel system components. 1. Screw off the fuel filler cap. 2. Remove the fuel pump relay from the fuse and...
Fuel pump and fuel pressure Test kit for most fuel systems General check 1. Check that there is enough fuel in the fuel tank. 2. Check if the fuel pump is working. Turn the ignition on and listen...
Fuel pipes and pipe connections Before starting work, be sure to release the pressure in the fuel system. The fuel supply and return pipes run from the fuel tank to the engine compartment and are...
Fuel gauge sensor Examination 1. Disconnect the negative battery cable. 2. Remove the fuel pump and fuel gauge. 3. Connect an ohmmeter to the contacts and measure the resistance. Measure...
Fuel tank — removal, installation and repair Removal and installation 1. Release the pressure in the fuel system. 2. Disconnect the negative battery cable. 3. Drain the fuel from the tank through the drain hole or...
Air filter housing — removal and installation Removing 1. Disconnect the negative battery cable. 2. Remove the nuts securing the air filter intake pipe. Disconnect the hose and cold air pipe from the air filter...
Accelerator cable — replacement and adjustment Replacement 1. Disconnect the negative battery cable. 2. Disconnect the cable from the throttle lever. 3. Disconnect the cable from the bracket. 4. Disconnect the cable...
Electronic fuel injection system The pulsed multipoint fuel injection system includes three subsystems: air intake system (air filter, air intake pipes, air flow sensor, throttle, idle control system...
Throttle cover — removal and installation Removing 1. Disconnect the negative battery cable. 2. Remove the air intake pipe connecting the throttle body to the air filter. 3. Disconnect the throttle position...
Fuel pressure regulator — removal and installation Removing 1. Release pressure in the system. 2. Disconnect the negative battery cable. 3. Disconnect the vacuum and fuel hoses from the regulator. 4. Unscrew the bolts...
Fuel line and injectors — removal and installation Removing 1. Disconnect the negative battery cable. 2. Release the pressure in the fuel system. 3. Disconnect the wires from the injectors. 4. Disconnect the fuel return...