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...Throttle Potentiometer General The throttle potentiometer senses the opening angle of the throttle valve. It send the information to the ECU to assist in calculating the correct fuel injection. The throttle potentiometer is fitted at the throttle valve axle. Function...

...Throttle Valve Switch General A throttle valve switch records the position of the throttle valve. It is fitted to the throttle valve spindle and send the information about the position to the ECU to assist in the calculating the fuel injection. Function Inside the...

...Technical Information Transmission Sensor General Transmission sensors record the transmission speed. This information is needed by the ECU to adjust the shifting pressure and for the decision which gear must be chosen. Function There are two different type s of...

...Technical Information Vehicle Speed Sensor General Vehicle speed sensors record the driving speed. It is assembled on the transmission (e.g. VW/Audi) or on the rear axle(e.g. BMW). This information are needed for the speed indication, cruise control and torque convert er slip c...

...Technical Information Wheel Speed Sensor General Wheel speed sensor are fitted near the wheel hubs or differentials and records the wheels speed. They work with the anti -lock -brake system, traction control system and the GPS. In a combination of systems the anti -lock -b rake...

...Expansion valve General points The expansion valve is the point of separation between high pressure and low-pressure areas in the cooling cycle. It is mounted upstream from the evaporator. In order to achieve optimum cooling capacity in the evaporator, the flow of refrigerant is regulate...

...Citroen C5 Model year 2004 ⇒⇒⇒⇒ All vehicles with HDI engines and air- conditioning system Coolant control lamp illuminates If there are complaints about the above-mentioned fault, the cause could be defective radiator fan relays. Furthermore, it may be that the coolant cont...

...Opel Astra H Model year: 2003+2004 Engine: all Fuel gauge defective/ Engine will not start Incorrect operation of the fuel gauge may occur in the case of the above-mentioned vehicles. The gauge may stop a 1/8 of the full amount, even though the actual level in the tank is less. Th...

...Ford Transit All models from model year 07.2003 to 10.2005 Oil-pressure control lamp illuminates If there are complaints about the above-mentioned fault, the cause could be a corroded plug-connection. The above-mentioned fault arises due to water penetration in the plug-connecti...

...VW Golf IV (1J) Boot light is lit permanently. Faulty function of boot locking system. Alarm system is triggered. With the above-mentioned vehicles, the boot light might not go out or the message "boot opened" might appear in the instrument cluster although the boot is locked. I...



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