Vehicle fuel and exhaust system Chevy Trailblazer 1

Fuel and exhaust system — specifications
Are common Fuel pressure (key in ON position, engine off) — 3.3 - 3.7 atm. Electrical resistance of the injector - 11-14 Ohms Tightening torques of threaded...

General information
Warning: Considering the increased flammability of gasoline. as well as the explosiveness of its vapors, certain precautions must be observed when carrying out...

Relieving pressure in the fuel system
Warning: See warning in subsection 1 . Note: After relieving pressure, it is recommended to wrap a wetted cloth around the fuel line disconnect coupling to...

Fuel pump/fuel pressure — check
Warning: See warning in subsection 1 . Checking the performance of the fuel pump 1. If you notice poor fuel supply, you must first inspect all fuel lines and...

Fuel lines and their connectors — restoration and replacement
Warning: see warning in subsection 1 1. Before affecting fuel lines or their connectors, it is necessary to relieve pressure in the system (see subsection 2)...

Fuel tank — removal and installation
Warning: See warning in subsection 1 . Note: If necessary, clean the fuel tank and areas adjacent to the fuel lines and fuel hoses to prevent fuel system...

Fuel Tank Cleaning and Reconditioning — General Information
1. The fuel tank on the described vehicles cannot be restored. If damage is detected to the tank, it must be replaced. 2. All work on cleaning a tank that...

Fuel pump — removal and installation
Warning: See warning in subsection 1 . 1. Relieve pressure in the fuel system ( see subsection 2 ). 2. Disconnect the negative battery cable. 3. Remove the...

Fuel system measuring unit — performance check and replacement
Warning: See warning in subsection 1 . Functionality check 1. Remove the tank and fuel pump module (see _ subsection 5 and 7 ). 2. Connect the ohmmeter...

Air cleaner housing and resonator — removal and installation
1. If necessary, remove the diagonal beam of the radiator. 2. Loosen the three screws that secure the air cleaner cover, then remove the filter element and...

Fuel injection system — general information
All described vehicles use a multipoint sequential fuel injection system (MFI), which includes three basic subsystems: the air intake subsystem, the electronic...

Fuel injection system — general performance check
Note: The following procedure assumes that the fuel pressure is correct ( see subsection 3 ). 1. Inspect all electrical connectors related to the system. Make...

Throttle block — removal and installation
Warning: You must wait until the engine has completely cooled down before performing this procedure 1. Remove the intake air duct along with the resonator (...

Fuel pressure regulator — replacement
Warning: See warning in subsection 1. 1. Relieve pressure in the fuel system ( see subsection 2 ). 2. Disconnect the negative battery cable. 3. Remove the...

Fuel receiver and injectors — removal and installation
Warning: See warning in subsection 1 . Note: When replacing elements of the receiver/injector module, the serial numbers of the injectors must be taken into...

Exhaust System Maintenance — General Information
Warning: inspection and repair of exhaust system elements is possible only after a certain period of time after turning off the engine, since this is necessary...