Infection protection in the workshop and at the car showroom
After a partial standstill of public life during the global pandemic, almost everything is still different in many places. In workshops, too, there are always new challenges and uncertainties emerging.
In such a repair case, the customer complains that the engine reacts inadequately and/or with delay to the power increase requested by the accelerator pedal sensor (gas pedal) during the acceleration phase.
Power steering, radiator fan and driving-dynamics control not functioning. If the above-mentioned problem is detected, one possible cause may be fuses that have not been installed correctly/in compliance with requirements.
On the vehicles mentioned above, customers have complained that the headlamps produce a reduced and insufficient light output. The reason for this problem is a faulty coating on the headlamp reflectors.
The above vehicles can experience engine overheating due to a defective coolant thermostat. Micro-cracks in the thermostat housing can allow wax filling to escape so that the thermostat no longer opens.
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The above vehicles can experience the engine dying shortly after it has started. This could be caused by a malfunction of the immobiliser. Voltage pulses when starting the ignition can occasionally cause faults in the instrument cluster.
If a customer complains about the above error, this could be caused by air that has entered the steering system. The noises are produced by cavitation and occur during the cold start phase in particular.
If the warning lamp for the coolant temperature lights up on the vehicles listed above, the cause may be a defective coolant sensor. The formation of cracks in the coolant temperature sensor can cause the aforementioned error message.
The exhaust gas recirculation system (EGR) reduces NOx emissions in internal combustion engines. This page provides a wealth of interesting information on the most common system variants and how they work.
Replacing the halogen bulb in the right-hand low beam (front passenger side). Replacing the halogen bulb in the left-hand low beam (driver's side).Light sources should always be replaced in pairs — this applies especially for the low beam and high beam.
If the problem described above is determined, the cause could be a faulty switch on the clutch pedal. The switches prevent the engine from starting if the clutch pedal is not actuated or is partially actuated.
Starting behaviour and engine performance insufficient
In such a case, the fuel filter can be clogged. The reason for this could be that, as a result of using the fuel additive, Eolys 176 (fixed by the car manufacturer), a sludge-like mass has formed and then blocked the fuel filter.
Engine control light is on; Vehicle starts up poorly
If one or more of the above-mentioned defects are reported for these vehicle models in conjunction with various error codes regarding the adjustable camshaft, this may be due to a sticking or stiff magnetic valve of the VANOS system.