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...Lambda Sensor Basics Without a lambda sensor monitoring oxygen in the exhaust of an engine, controlling the fuel delivery would be impossible, to the exacting standards required by a modern engine. Denso provides details of lambda sensor function and their importance and maintenance. A la...

...Piezo Common Rail Injectors Piezo common rail injectors may seem to be the same as older injectors, but they are very different. Bosch raises an important safety issue that every mechanic should be aware of. During a recent training course, an older member of the group asked me, “...

...Timing Chains and Proper Lubrication Timing chains have made a come back and are now common on new vehicles. While they are very strong and fit for purpose, they do require proper oil lubrication, as FAI Autoparts points out. Timing chains have become the preferred choice for engine manuf...

...Technical Information Toothed belt / coolant pump kits General When replacing the toothed belt, all components of the belt drive should be replaced with it. For this purpose, Behr Hella Service offers complete kits (Fig. 1) including coolant pump, toothed belt, as well as any tens...

...Technical Information Oil temperature sensor General Depending on the type of vehicle, oil temperature sensors may be installed in addition to oil pressure sensors in some vehicles. The oil temperature sensor sends its information to a separate instrument or to the ECU for moni...

...Technical Information Ultrasonic oil level sensor General This sensor is used to monitor the oil level by continuously measuring the engine oil level in the static and dynamic ranges. The sensor is designed for vertical installation from below in the bottom of the oil pan. Insid...

...Audi A4 FSI Model series 2002 Equipment series including trailer hitch Trailer taillights are permanently ON. This may possibly be caused by the control unit for trailer detection, which converts the vehicle's lighting sy stem comfort CAN messages from the electrical system con tro...

...Citroen Berlingo I and II Model years 2005 to 2011 All models with multi-function control unit Pilot lamp lights up If a customer complains about the above problem, th is could be caused by moisture. Leaks may occur in the upper right area of the windshield (connection to body). T...

...Fiat Ducato series 3 Type 250 Model year: 2006 – 2011 All models with sliding door Central locking system malfunction Complaints regarding a malfunction of the central locking system in these vehicles may be associated with an incorrectly positioned or jammed positioning pin in t...

...Mercedes C-Class (W 203) Type: C320 Model year: 2000 to 2006 Battery discharge due to a too high idle current The above vehicles can experience complete battery discharges caused by a malfunction in the seat adjustment control unit. An idle current (fault current) of up to 1,2...



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