Fuel and exhaust system of car Renault Sandero 1

Exhaust system — design features
The manufacturer installs an exhaust system on Renault/Dacia Sandero vehicles, which is made as a single element, and supplies its individual parts as spare parts. Between the catalytic converter and the additional...

Replacing the exhaust system suspension cushions
Rubber suspension mounts for the exhaust system are replaced if, due to damage or excessive deformation, the system elements begin to knock when in contact with the body or other vehicle components. All pillows are...

Replacement of exhaust system components
You will need: socket head «by 10», extension, caliper, angle grinder with metal cutting wheel. To replace the exhaust pipe and catalytic converter, follow these steps: 1. Measure the distance between the marks (it...

Power supply system — design features
The power supply system includes elements of the following subsystems: fuel supply, including a fuel tank, an electric fuel pump with a filter, a fuel pressure regulator, pipelines and a fuel rail with injectors; air...

Checking the tightness of fuel lines
1. Inspect the connections of the fuel lines to the fuel rail, as well as the connection of the injectors to the fuel rail (To do this, you need to remove the air filter). If fuel leaks are detected, replace the...

Checking the pressure in the engine fuel system
Checking the fuel pressure in the engine fuel rail is only possible if you have a pressure gauge with a set of adapters for connection to the fuel line. 1. Turn on the ignition and listen: within a few seconds you...

Reducing pressure in the fuel system
Warning. The fuel in the fuel system is under high pressure, so do not loosen the fuel line connections while the engine is running or immediately after it has been stopped. To carry out repair work on the fuel system...

Replacing the air filter element
According to the manufacturer's recommendation, the air filter element should be replaced after 2 years of operation or 30 thousand km of mileage (whichever comes first). Helpful advice: When operating a vehicle in...

Removing and installing the air filter
Note: This subsection describes the procedure for removing and installing the air filter of the K7J and K7M engines. Removing and installing the air filter of the K4M engine is described in subsection « Replacing the...

Replacing the fuel pump
The main symptoms of a faulty fuel pump are a decrease in the power and dynamics of the car, dips in acceleration mode, and unstable engine operation in idle mode. A clear sign of deterioration in the operation of the...

Replacing the fuel tank
If you find fuel leaking from the tank, it is recommended to replace the tank. If the fuel pump screen is often clogged, remove and wash the tank. It is more convenient to remove the empty tank when working on a lift,...

Checking and replacing the fuel pressure regulator
The fuel pressure regulator is installed in the fuel pump module. The regulator's serviceability is determined on a running engine by the fuel pressure in the injector rail (see « Checking the pressure in the engine...

Checking, removing and installing fuel injectors
Possible signs of injector failure: difficult engine starting; unstable engine operation; engine stops at idle speed; increased crankshaft speed at idle; the engine does not develop full power, insufficient engine...

Removing and installing the fuel rail
You will need: TORX T30 key, flat-blade screwdriver, side cutters. 1. Complete points 1-4, 6, 7 of the subsection « Checking, removing and installing fuel injectors ». 2. To disconnect the fuel line, cut the plastic...

Removing and installing the throttle assembly
You will need a flat-blade screwdriver. 1. Disconnect the wire from the terminal «minus» battery. 2. Remove the air filter (see « Removing and installing the air filter »). Note. The procedure for removing and...

Replacing the idle speed control valve
Idle speed control valve (IAC) is located at the bottom of the throttle assembly. It consists of a two-pole stepper motor and a cone valve connected to it. At the signal from the ECU, the motor moves the valve, thereby...

Adjusting the throttle cable tension
1. Remove the air filter for visual inspection (see « Removing and installing the air filter», p. 110 »). Note. The process of replacing the throttle cable is shown using the K7J and K7M engines as an example. On the...

Replacing the throttle cable
1. Disconnect the throttle cable from the accelerator pedal. Note. The process of replacing the throttle cable is shown using the K7J and K7M engines as an example. Replacing the drive cable on the K4M engine is...

Replacing the fuel vapor recovery system canister
The fuel vapor recovery system prevents fuel vapors from escaping from the fuel system into the atmosphere, which have an adverse effect on the environment. The system uses a method of vapor absorption by a carbon...