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...Plastic - lenses with clear - glass optic Use of concentrated cleaning agents and antifreezes in headlamp washer systems. With the use of concentrated cleaning agents and antifreezes, particular attention has to be paid to the suitability of these for use with plastic lense...

...Ford, all vehicle with Zetec engine Engine jerks or misfires during acceleration under load. If a costumer complains of rough idling or misfiring during acceleration the reason could be a failing spark to the 3 rd and / or 4 th cylinder. The caus e of this failure is current...

...VW from 2/1999 CD changer An updated CD changer as original equipment is being installed in the above -mentioned vehicles as from February 1999. These devices can only read "burned" CD`s if they were burnt in the file format “Audio”. A check with an "original" CD can pro...

...Technical Information Generator Diagnostics For fault diagnosis on generators consider the following principles: · Don't disconnect, fit or short circuit terminals when the engine is running and the generator working (voltage spikes lead to damage ). · Don't measure...

...Technical Information Glow plugs General Diesel engines require an extra heat source to reach the necessary ignition temperature of the diesel fuel/air mixture when lower outside temperatures exist. This is the function of the pre-heater system and the use of Glow plug s as the...

...Technical Information Preheating relays General Preheating relays provide switching and control of glow plugs. Activation and operation duration are mostly influenced by the position of the ignition switch or activity of the door lock and a temperature sensor. Funct...

...Renewal of the injector valves, all vehicle makes Important note for fitting new injection valves. Through storage, it is possible that in some rare cases, the dry injector valve sticks. This can lead to engine running problems. To prevent this t he injectors should be checked...

...VW TDI engine 66 / 81 KW Needle motion sensor If faults such as sporadic misfire, sudden loss of power at high engine speed or high vehicle speed are apparent, the cause can be a faulty needle motion sensor. For the exact fault diagnosis the fault memory should be read out wi...

...VW TDI engine 66 / 81 KW (90 / 110 HP) Airflow sensor A frequent problem with this TDI engine is a faulty mass airflow sensor. This fault does not cause the MIL lamp to illuminate every time. Often it takes time for the driver to notice the car is not running correctly. Low po...

...Technical Information Coolant level sensor General Coolant level sensors are fitted into the expansion tank. It checks the minimum level in the tank to prevent an overheated engine through water shortage. Function The coolant level sensor is a magnet which is...



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