STEERING COLUMN SWITCH
Multifunctional switch that groups different functions such as horn, turn signals, windshield wipers, headlights, lights, fog lights, navigation control. They can be activated by pulling, pushing, turning, lifting or lowering the lever. Location: They are located on the inside part of the steering column, near the steering wheel. Why do they break down? Failure effects
BLOWER FAN RESISTOR – RADIATOR
Element responsible for regulating the intensity of the air that enters the passenger compartment of the vehicle. LOCATION Located behind the dashboard. COMMON FAULT SYMPTOMS COMMON FAULT SYMPTOMS
BLOWER FAN RESISTOR – AC
Element responsible for regulating the intensity of the air that enters the passenger compartment of the vehicle. LOCATION Located behind the dashboard. MOST COMMON FAULTS COMMON FAULT SYMPTOMS
IDLE CONTROL VALVE
Element in charge of keeping the car running when it is not running, regulating the amount of air entering the engine. LOCATION Located on the throttle body valve or in the intake pipe. MOST COMMON FAULTS: COMMON FAULT SYMPTOMS
EXHAUST GAS TEMPERATURE SENSOR EGTS
The exhaust gas temperature sensor, EGTS, measures the temperature in the vehicle’s exhaust system. The sensor element changes resistance when the temperature changes. The ECU measures this resistance and calculates the actual exhaust temperature. This function protects the engine and exhaust components from overheating. LOCATION COMMON FAULT SYMPTOMS FAULT EFFECTS
THERMOSTAT
Most vehicles use engine coolant as a heat source. The coolant circulates through a small heat exchanger called a “heater core”. A fan allows air to circulate through this radiator when heat is needed to warm the cabin. The Radiator Control Valve controls the amount of coolant that flows into the heater core.
THERMOSTAT HOUSING
Flange in contact with the thermostat.
THERMOSTAT SEAL
The function of these joints is to prevent leakage and ensure tightness.
THERMOSTAT COOLANT FLANGE INCL. TEMPERATURE SENSOR
Element whose function is to house the thermostat and provide a cooling outlet to the radiator.
THERMOSTAT COOLANT FLANGE
Device responsible, through the opening and closing of the passage of the coolant, for controlling the operating temperature of the engine and the passage of the coolant in the radiator.
COOLANT NOZZLE
Cooling connector element that incorporates its own thread or is inserted into the block/cylinder head.
BRAKE BOOSTER PRESSURE SENSOR
It informs the engine control unit if there is sufficient pressure in the brake booster for correct operation of the booster. When the depression is not level, the control unit modifies the position of the throttle, closing it to increase the vacuum generated by the engine itself and the depression in the brake booster within […]
PARKING SENSOR
DEFINITION A parking sensor, also called parking sensor, is a device installed in vehicles to assist the driver during parking maneuvers. Its main purpose is to detect the proximity of objects, such as walls, vehicles or obstacles, and to alert the driver to avoid collisions. LOCATION The location may vary depending on the model and […]
BRAKE PAD WEAR SENSOR
DEFINITION A component used in the brake system of some vehicles. Its main function is to monitor the thickness of the brake pads and alert the driver when they are worn and need to be replaced. LOCATION The brake wear sensor is located in the front and rear axle brake system. COMMON FAULT SYMPTOMS FAULT […]
STEERING ANGLE SENSOR
DEFINITIÓN A steering angle sensor, also known as a steering wheel angle sensor, is a device used in the vehicle steering systems to measure and record the steering wheel steering angle. It provides accurate information about the position of the steering wheel and the amount of twist applied by the driver. LOCATION The steering angle […]
WHEEL SPEED SENSOR – ABS
DEFINITION An ABS (Anti-lock Braking System) sensor is a key component of modern vehicle braking systems. ABS is a safety system designed to prevent wheel lockup during hard braking or in low-grip situations, such as braking on a slippery surface. There are two types of ABS sensor: LOCATION Front wheel: On many vehicles, the ABS […]
XENON LIGHT SENSOR (HEADLIGHT RANGE ADJUSTMENT)
Element responsible for measuring the length of the light beam in each of the vehicle’s fro DEFINITION Element in charge of measuring the inclination of the vehicle to regulate the light beam of each of the vehicle’s front headlights. It must be considered that the height of the car, and therefore the automatic adjustment of […]
INTAKE TEMPERATURE AND PRESSURE SENSOR – T-MAP
Component responsible for measuring the absolute pressure and temperature of the intake air in the intake manifold.
COOLANT TEMPERATURE SENSOR
DEFINITION Component which measures the temperature of the engine coolant and inform the engine control unit, ECU, or dashboard. LOCATION It is normally located in the thermostat housing or in the cylinder head. COMMON FAULT SYMPTOMS FAULT EFFECTS
INDOOR TEMPERATURE SENSOR
DEFINITION Component in charge of measuring the interior temperature of the vehicle and displaying it on the dashboard. LOCATION It can be integrated into the housing behind the interior mirror, or on the dashboard or even in the vehicle’s roof light. COMMON FAULT SYMPTOMS FAULT EFFECTS
FUEL TEMPERATURE SENSOR
DEFINITION Component in charge of measuring the fuel temperature and transmitting it to the ECU for a correct engine management. LOCATION Located in the fuel rail in the engine. COMMON FAULT SYMPTOMS FAULT EFFECTS
INTAKE AIR TEMPERATURE SENSOR
DEFINITION It records the temperature of the outside air allowing it to calculate, in combination with a boost pressure sensor and/or an air flow meter, the mass of intake air. LOCATION Located in the intake section. COMMON FAULT SYMPTOMS FAULT EFFECTS
OIL TEMPERATURE SENSOR
DEFINITION It monitors the engine oil temperature and reports it to the vehicle control unit, ECU, and/or, it is indicated on the dashboard, depending on the model. LOCATION It may be integrated into the oil level sensor, into the oil pan or at some other point in the engine lubrication system. COMMON FAULT SYMPTOMS FAULT […]
CRANKSHAFT POSITION SENSOR – CKP
Responsible for identifying the position of the crankshaft axle and the number of rotations of the crankshaft. The information obtained determines the injection, ignition, and other adjustment parameters through the ECU. Component responsible for recording the number of revolutions and position of the vehicle’s axle. LOCATION Located on a toothed wheel on the crankshaft’s own […]
CAMSHAFT POSITION SENSOR – CMP
Responsible for determining the position of the first cylinder, together with the camshaft crankshaft sensor. The combination of the two signals determines the position of the first cylinder at top dead center. LOCATION There are a wide variety of locations, but they are always intended to directly read the camshaft or a part that rotates […]
MANIFOLD ABSOLUTE PRESSURE SENSOR – MAP
The pressure sensors oversee detecting the air in the intake manifold and read the amount of air that can enter the engine. They convert the measured pressures into electrical signals. LOCATION Located in the engine compartment, behind the throttle valve and is connected to the engine intake manifold through a hose or mounted directly on […]
EXHAUST GAS DIFFERENTIAL PRESSURE SENSOR – DPS
Element responsible for measuring the pressure difference present in the exhaust gases, between the inlet and the outlet of the particle filter.
FUEL TANK PRESSURE SENSOR
It is responsible for measuring the pressure inside the tank and uses this information to alert the vehicle’s internal computer when it detects a leak in the fuel system.
FUEL PRESSURE SENSOR
DEFINITION Also known as a fuel rail pressure sensor, this component monitors fuel pressure in the common rail and informs the vehicle control unit, ECU, to open of the injectors so the fuel-air mixture is adequate. LOCATION It is usually located on the fuel rail. COMMON FAULT SYMPTOMS FAULT EFFECTS
OIL PRESSURE SENSOR
DEFINITION Element in charge of measuring the engine oil pressure and indicating it to the vehicle’s control system, ECU. If the system detects that there is not an adequate pressure for a correct performance, the oil light will be activated on the dashboard and may even stop the vehicle. LOCATION Located in the oil upstream […]
THROTTLE POSITION SENSOR – TPS
DEFINITION An important component in electronic fuel injection systems in vehicles. Its main function is to monitor and send the throttle butterfly position information to the engine control module (ECM) or engine control unit (ECU). LOCATION The location of the throttle position sensor may vary by vehicle model and year. However, in most cases, the […]
ACCELERATOR PEDAL SENSOR
The pedal position sensor is a dual switch that detects pedal actuation by the driver.
COOLANT LEVEL SENSOR
DEFINITION In charge of measure the coolant level and inform the vehicle control unit, ECU, and the driver. LOCATION Located in the expansion tank or bottle. COMMON FAULT SYMPTOMS FAULT EFFECTS
FUEL LEVEL SENSOR
DEFINITION Device which measures the fuel level in the tank and inform the vehicle control unit, ECU, and the dashboard, allowing the driver to determine when to refuel. LOCATION Located on the vehicle’s fuel tank. COMMON FAULT SYMPTOMS FAULT EFFECTS
OIL LEVEL SENSOR
DEFINITION Informs the vehicle control unit, ECU, and the driver of the amount of oil in the oil pan before starting the engine. The oil light will be illuminated on the dashboard if the amount of oil is low. LOCATION The location will vary depending on the vehicle model. It is usually located in the […]
KNOCK SENSOR
DEFINITION A component used in internal combustion engines to control the phenomenon known as detonation or knock. Detonation occurs when the fuel-air mixture inside the combustion chamber ignites in an uncontrolled way, causing an explosion instead of controlled combustion. LOCATION The exact location of the knock sensor may vary depending on engine design and configuration. […]
ACCELERATOR PEDAL KIT
Element responsible for regulating the power of the vehicle.
MAF SENSOR
Device responsible for measuring the amount of air that enters the engine and, therefore, how much oxygen reaches the cylinders with the help of other data such as temperature or air pression in question so that the engine can operate efficiently. FEATURES LOCATION Located in front the engine intake manyfold ant behind the air filter […]
OXYGEN SENSOR
Component responsible for measuring the concentration of oxygen present in the exhaust gases in such way that the air-fuel mixture in the engine combustion process is adapted.
OUTDOOR TEMPERATURE SENSOR
DEFINITION Component in charge of measuring the outside temperature of the vehicle and displaying it on the dashboard LOCATION It is usually located on the front radiator grille or on the underside of one of the side mirrors. COMMON FAULT SYMPTOMS FAULT EFFECTS
WASHER LEVEL SENSOR
Element responsible for measuring the water level of the vehicle’s windscreen washer.
ODOMETER SENSOR
DEFINITION Also called vehicle speed sensor, it is a component in charge of measuring the vehicle speed information. Depending on the model, it transmits the information to the control unit, ECU, or to the dashboard. Today, the new vehicles are no longer equipped with this type of sensor. LOCATION The location of the odometer sensor […]
EGR VALVE COOLER
Component responsible for cooling the EGR valve, containing the high temperatures that the EGR valves can reach given that a hot exhaust gas is flowing through them.
REVERSING LIGHT SWITCH
DEFINITION A component in a vehicle’s lighting system that controls the activation of the reverse lights when reverse gear is selected in the transmission. Its function is to detect when reverse gear is selected and send an electrical signal to the vehicle’s taillight system to turn on the reverse lights. LOCATION The reverse light switch […]
STOP LIGHT SWITCH
DEFINITION A critical component in a vehicle’s lighting system. Its main function is to activate the brake lights when the brake pedal is pressed. LOCATION The stop light switch is usually located on top of the brake pedal, in the area where the contact point is located when the pedal is depressed. It may be […]
RADIATOR FAN TEMPERATURE SWITCH
DEFINITION Component responsible for controlling the temperature of the engine speed and connecting or disconnecting the radiator fan according to the appropriate temperature to achieve optimal engine operation. LOCATION Normally located in the cooling radiator of the vehicle. COMMON FAULT SYMPTOMS FAULT EFFECTS
COOLANT WARNING LIGHT TEMPERATURE SWITCH
DEFINITION Component in charge of controlling the engine coolant temperature and opening or closing one or more contacts, after passing a certain threshold value, to activate the radiator fans. LOCATION Normally located in the radiator. COMMON FAULT SYMPTOMS FAULT EFFECTS
AIR CONDITIONING PRESSURE SWITCH – AC
DEFINITION Element in charge of measuring the pressure level of the A/C loop and activate or deactivate the vehicle compressor according to the specified threshold. LOCATION They are located between the AC compressor and the condenser. COMMON FAULT SYMPTOMS FAULT EFFECTS
IGNITION SWITCH
Element that turns on the engine and allows the transmission of energy that feeds different devices such as the radio, electric windows… LOCATION Located behind the dashboard. COMMON FAULT SYMPTOMS POSSIBLE FAULT SYMPTOMS
OIL PRESSURE CONTROL SWITCH
DEFINITION Component in charge of monitoring and informing the driver about the engine oil pressure. When the minimum pressure is reached, a warning light in the dashboard is activated. LOCATION Located in the cylinder block, close to the oil filter. COMMON FAULT SYMPTOMS FAULT EFFECTS
HOOD LOCK SWITCH
Component that is part of the vehicle cabin switches. Electromechanical element that controls whether the circuit is “on” or “off”. TYPES Glove compartment switch Button responsible for opening the glove compartment of the vehicle’s dashboard. Tailgate switch Element responsible for opening the trunk or the rear door of the vehicle automatically. Outside rearview mirror switch […]
FUEL TANK SWITCH
Component that is part of the vehicle cabin switches. Electromechanical element that controls whether the circuit is “on” or “off”. TYPES Glove compartment switch Button responsible for opening the glove compartment of the vehicle’s dashboard. Tailgate switch Element responsible for opening the trunk or the rear door of the vehicle automatically. Outside rearview mirror switch […]
DOOR LOCK SWITCH
Component that is part of the vehicle cabin switches. Electromechanical element that controls whether the circuit is “on” or “off”. TYPES Glove compartment switch Button responsible for opening the glove compartment of the vehicle’s dashboard. Tailgate switch Element responsible for opening the trunk or the rear door of the vehicle automatically. Outside rearview mirror switch […]
TAILGATE SWITCH
Component that is part of the vehicle cabin switches. Electromechanical element that controls whether the circuit is “on” or “off”. TYPES Glove compartment switch Button responsible for opening the glove compartment of the vehicle’s dashboard. Tailgate switch Element responsible for opening the trunk or the rear door of the vehicle automatically. Outside rearview mirror switch […]
PARKING BRAKE SWITCH
Component that is part of the vehicle cabin switches. Electromechanical element that controls whether the circuit is “on” or “off”. TYPES Glove compartment switch Button responsible for opening the glove compartment of the vehicle’s dashboard. Tailgate switch Element responsible for opening the trunk or the rear door of the vehicle automatically. Outside rearview mirror switch […]
HAZARD WARNING FLASHER SWITCH
DEFINITION The hazard switches have a red triangle located on the switch and activate the turn signals on both sides by an internal circuit, or by giving an order to the bodywork unit, in case it is the one that feeds the warning lights. LOCATION The hazard warning light switch is usually located on the […]
GLOVE COMPARTMENT SWITCH
Component that is part of the vehicle cabin switches. Electromechanical element that controls whether the circuit is “on” or “off”. TYPES Glove compartment switch Button responsible for opening the glove compartment of the vehicle’s dashboard. Tailgate switch Element responsible for opening the trunk or the rear door of the vehicle automatically. Outside rearview mirror switch […]
OUTSIDE REARVIEW MIRROR SWITCH
Component that is part of the vehicle cabin switches. Electromechanical element that controls whether the circuit is “on” or “off”. TYPES Glove compartment switch Button responsible for opening the glove compartment of the vehicle’s dashboard. Tailgate switch Element responsible for opening the trunk or the rear door of the vehicle automatically. Outside rearview mirror switch […]
WINDOW SWITCH
The driver’s door generally houses all the switches for all the electric windows, in this way the driver has control over each of them. In addition, each of the remaining doors has its own switch, so that each occupant can control his window.
EGR VALVE CONNECTOR
Element to connect the wiring of the vehicle to the EGR valve (plugs, sealing and terminals)
KIT UNIVERSAL COOLANT CONNECTORS
Kit of universal coolant connectors that are used to connect the various individual elements of the cooling system according to different sizes and shapes.
COOLANT CONNECTOR
Component that allows the connection and disconnection of some cooling hoses in a quick and practical way.
EGR VALVE PIPE
Component that connects the EGR valve to the intake or exhaust system.
DOOR LOCK
DEFINITION The door locks, installed inside the door frame, consist of a rotating latch that is anchored to the chassis (pillar) thanks to a latch that keeps the doors closed. LOCATION The lock is located on the door itself. The exact location of the lock on the door may vary depending on the type of […]
TAILGATE LOCK
DEFINITION Component in charge of keeping the trunk or rear door of the vehicle locked for opening. LOCATION The trunk lock is located on the vehicle’s trunk door itself. COMMON FAULT SYMPTOMS FAULT EFFECTS
HOOD LOCK
DEFINITION Safety mechanisms to ensure that the hood does not open when the vehicle is in motion, nor can it be opened from outside the vehicle. LOCATION The hood lock is usually located at the front of the car, just below the front edge of the hood. COMMON FAULT SYMPTOMS FAULT EFFECTS
CONTROL UNIT – FUEL PUMP
There are fewer and fewer individual control units as they are now integrated into other control units that encompass more systems. DEFINITION Component in charge of managing and controlling the operation of the high pressure fuel pumps. LOCATION The location of the fuel pump control unit may vary by vehicle manufacturer and model, but in […]
CONTROL UNIT – SEAT ADJUST
There are fewer and fewer individual control units as they are integrated into other control units that encompass more systems. DEFINITION Component in charge of managing and controlling the adjustment of the vehicle’s interior seats. LOCATION The location of the seat adjustment control unit may vary depending on the vehicle make and model. Generally, the […]
CONTROL UNIT – SEAT HEATING
There are fewer and fewer individual control units as they are integrated into other control units that encompass more systems. DEFINITION Component used to manage and control the heating of the interior seats of the vehicle. LOCATION The location of the seat heating control unit may vary depending on the model and make of the […]
COOLANT CONNECTION PIPE
Component responsible used to distribute the cooling in the hoses or relevant parts, to the cooling system fixed by a screw.
COOLANT FLANGE WITH TEMPERATURE SENSOR
Connector element fixed by 2 or more screws to the cylinder head/block. Contiene sensor de temperatura. It contains a temperature sensor.
COOLANT FLANGE WITH ADAPTER
Connector element fixed by 2 or more screws to the cylinder head/block. Connector element fixed by 2 or more screws to the cylinder head/block. It contains an adapter.
COOLANT FLANGE
Connector element fixed by 2 or more screws to the cylinder head/block.
COOLANT FLANGE WITH THERMOSTAT
Connector element fixed by 2 or more screws to the cylinder head/block. It contains a thermostat.
PRESSURE CONTROL VALVE – COMMON RAIL SYSTEM
DEFINITION Component of the injection system responsible for regulating and maintaining the fuel pressure in the injector rail according to the state of the engine load. LOCATION The location may vary by vehicle manufacturer and model, but it is usually mounted directly on the common rail. COMMON FAULT SYMPTOMS FAULT EFFECTS
FUEL FEED UNIT
Component used to deliver an accurate amount of fuel to the engine for the proper operation, either by regulating the flow to its own injection rail or to another tank or pump. LOCATION The location may vary depending on the design of each vehicle, but it is generally located in the fuel tank. CAUSES OF […]
RELAY – FUEL PUMP
DEFINITION Switch which controls the electrical signal, being capable of transmitting high amperages through a signal with low intensity, separating power electrical circuits from control circuits. TYPES Relay – main current Element responsible for supplying energy to the vehicle to guarantee its operation. Relay – AC Device used to control the air conditioning system of […]
FUEL PRESSURE REGULATOR
The fuel pressure regulator unit is mainly used to control and maintain constant fuel pressure. In this way, it avoids damage to other components such as the injectors or the fuel system ducts.
INJECTOR VALVE
Its function is to supply each cylinder with the exact amount of fuel at a specific time, distributing it as evenly as possible in the air contained in said chamber.
FUEL PUMP
DEFINITION Component used to deliver an accurate amount of fuel to the engine for the proper operation, either by regulating the flow to its own injection rail or to another tank or pump. LOCATION The location may vary depending on the design of each vehicle, but it is generally located in the fuel tank. CAUSES […]
AUXILIARY WATER PUMP
DEFINITION Additional component installed in the cooling system of some engines. Unlike the main water pump, which is located on the engine and is driven by the timing belt or accessory belt, the additional water pump is a separate unit. LOCATION The location of the additional water pump may vary depending on the specific vehicle […]
WATER PUMP
DEFINITION Component in charge of generating fluid circulation through the coolant circuit, either by mechanical or electrical impulse. LOCATION The water pump in a vehicle is usually located in the engine, specifically at the front and driven by the timing belt or the accessory belt if it is mechanical If it is electric, it is […]
CONTROL UNIT – DRIVING LIGHTS POWER
Control unit that regulates the power of the daytime running lights.
CONTROL UNIT – XENON LIGHT
Component responsible for managing and supplying the lighting of the xenon headlights.
FUEL TANK VENT VALVE
DEFINITION Device controlled by the engine control unit, which under certain conditions absorbs vapors from the fuel tank into the intake to reduce pollutant emissions. LOCATION The fuel tank vent valve is a component of a vehicle’s emission control system. The location may vary by vehicle manufacturer and model, but it is usually located above […]
THROTTLE BODY
Component responsible for controlling the amount of air that flows to the combustion chamber engine. The circulating airflow helps to regulate the fuel mixture required. In the throttle body we find the TPS throttle position sensor, which indicates the position of the throttle LOCATION This component is located on the intake system, just in front […]
CAMSHAFT SOLENOID VALVE
Element in charge of managing the oil flow to the camshaft pulleys according to engine load and speed, improving performance and fuel efficiency by adjusting the timing diagram offset. LOCATION It is located in the engine’s variable valve timing system, usually at the top of the cylinder head, although there are other variants. COMMON FAULT […]
RELAY – MAIN CURRENT
DEFINITION Switch which controls the electrical signal, being capable of transmitting high amperages through a signal with low intensity, separating power electrical circuits from control circuits. TYPES Relay – main current Element responsible for supplying energy to the vehicle to guarantee its operation. Relay – AC Device used to control the air conditioning system of […]
RELAY – GLOW PLUG
DEFINITION Switch which controls the electrical signal, being capable of transmitting high amperages through a signal with low intensity, separating power electrical circuits from control circuits. TYPES Relay – main current Element responsible for supplying energy to the vehicle to guarantee its operation. Relay – AC Device used to control the air conditioning system of […]
EGR VALVE
The purpose of the EGR valve is to reduce contaminating gases, specifically nitrogen oxide. They are found in both gasoline and diesel engines, although its effect is more powerful in the second because it emits more emissions of the mentioned gases. LOCATION Located between the intake manifold and the exhaust and allows part of the […]
EXHAUST CONTROL SOLENOID VALVE
DEFINITION Electrically operated valve controlled by the vehicle control unit, ECU, which under certain conditions, allow to pass the pressure and/or vacuum from the intake or exhaust system to other systems or components by acting on another component. TYPES It opens when the Engine Control Unit (ECU) detects the need for exhaust gas recirculation, allowing […]
RELAY – WIPER
DEFINITION Switch which controls the electrical signal, being capable of transmitting high amperages through a signal with low intensity, separating power electrical circuits from control circuits. TYPES Relay – main current Element responsible for supplying energy to the vehicle to guarantee its operation. Relay – AC Device used to control the air conditioning system of […]
COOLANT CONTROL SOLENOID VALVE
DEFINITION It controls the amount of coolant flowing through the heating core. Most modern systems first cool and dehumidify the air and then reheat it to the desired temperature. These valves can be either vacuum-controlled or electronic controlled. LOCATION The exact location of the heating solenoid valve may vary depending on the vehicle’s model and […]
WASHING WATER PUMP
DEFINITION A component used to supply water to the wipers and help clean the windshield surface. . It is especially useful for removing dirt, insects and other waste that can hinder the driver’s visibility. LOCATION The location of the washing water pump may vary depending on the model and make of the vehicle. However, in […]
FUEL DOOR ACTUATOR
Switch through which it is possible to open the fuel tank cap from inside the vehicle. It is usually located on the driver’s dashboard.
RELAY – AC
DEFINITION Switch which controls the electrical signal, being capable of transmitting high amperages through a signal with low intensity, separating power electrical circuits from control circuits. TYPES Relay – main current Element responsible for supplying energy to the vehicle to guarantee its operation. Relay – AC Device used to control the air conditioning system of […]
INTAKE MANIFOLD MODULE
A component of the air intake system that guides and channels air into the combustion chamber. It also makes it possible to vary the length of the intake ducts to optimize engine performance at different RPMs. LOCATION The intake manifold module is located between the intake manifold and the cylinder head. COMMON FAULT SYMPTOMS FAULT […]
AIR INTAKE SOLENOID VALVE
DEFINITION Electrically operated valve controlled by the vehicle control unit, ECU, which under certain conditions, allow to pass the pressure and/or vacuum from the intake or exhaust system to other systems or components by acting on another component. TYPES It opens when the Engine Control Unit (ECU) detects the need for exhaust gas recirculation, allowing […]
