Signal lights have an important safety function. They demonstrate deceleration and a change in direction of the vehicle, and make the vehicle more visible to other road users when it is dark or during poor visibility.
Poor engine running with increased oil consumption
If poor engine running with increased oil consumption is observed in the vehicle models mentioned above, then a possible cause may be defective crankcase ventilation. In some cases, a buzzing or whistling sound has also been heard.
Error code C1274 - "Acceleration sensor function faulty"
If the defect mentioned above is detected, it may also be related to a defective ABS sensor ring. The ABS control unit constantly compares and evaluates the values of the acceleration sensor and wheel speed sensors.
Engine stalls with slight pressure on the accelerator pedal after cold start
If no clear mechanical or electrical fault can be attributed to the error mentioned above during vehicle diagnostics, one possible cause is a software error in the engine control unit. In this case, the software version must be checked and updated if necessary.
ABS/ESP control units for braking and driving dynamics
Technical product information
The Electronic Stability Programme (ESP) has the task of preventing lateral swerving when cornering or when faced with critical situations, e.g. during extreme driving manoeuvres. The system specifically intervenes in the braking system and in the engine and transmission management and keeps the vehicle on track.
After the main headlamp bulbs have been changed on the vehicles mentioned above, there may be insufficient illumination of the road or oncoming traffic may be dazzled. This is especially true when using H7 bulbs.
Automatic systems, such as the automatic start-stop system are installed to reduce the fuel consumption and emissions. There are different versions and requirements depending on the vehicle manufacturer.
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Seat Ibiza (KJ)
Atypical steering behavior
If the problem described above is determined, the cause could be an insufficiently secured steering column. In this case, there is the possibility that the screw (see image) was not tightened to the specified tightening torque when the steering column was fitted.
The ever increasing demand for electrical power requires particularly efficient and powerful alternators and regulators. These should have the option of consumer and battery management. For this reason, hybrid regulators are increasingly being replaced by monolithic regulators with new functions: these are called multi-function regulators.
Should a loss of power occur in the above vehicles, an insufficiently fastened hose on the intercooler might be the cause. Whistling noises in the acceleration phase and simultaneous loss of motor power are frequently an indication for defects or faults in the area of the intercooler.
Radio-controlled central locking system unlocks itself
If the above fault is complained of in these vehicles, and if the passenger compartment lighting also fails to switch off while driving, there may be a contact problem in one of the sliding doors.
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The low beam is not functioning
The low beam can fail on the vehicle named above. Replacing the bulb and checking fuses F12 /F13 for the low beam did not solve the problem.
In this case, the customer complains of an unpleasant creaking or jarring noise when opening or closing the doors. A closer look at the door mechanism revealed that the fastening screw of the door check strap had come loose.
The alternator supplies all electrical components in the vehicle with electricity. Should the alternator lose its full functionality, the electronics will fail after a certain period – the battery will no longer be charged, and the vehicle will no longer be roadworthy.
On these vehicles, if the exhaust warning light comes on and engine performance is poor, the following error codes may also be recorded. As preliminary analysis, check the turbocharger’s blow-off valve and the subpressure line.
If this problem is detected in the above-mentioned vehicle, a possible cause may be damage to the wiring harness of the ambient light/rain sensor. In addition, sporadic failures could occur in the exterior lighting function and in the wiper control caused by the rain sensor.
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Fiat Grande Punto
Engine does not start
If the engine does not start and / or the instrument cluster remains dead when the ignition is switched on with the above-mentioned vehicles, the cause could be a defective ground connection in the engine compartment.
Smoke generation may be experienced when driving one of the vehicles listed above. Engine oil can collect in the charge-air cooler and get into the combustion chamber, thus causing smoke to be generated during operation.
Harmful substances and solids can form in the refrigerant circuit, leading to component damage. It is therefore absolutely essential that the air-conditioning system be flushed during repair work, and above all when exchanging the compressor.
If the above-mentioned problem is detected, one possible cause may be incorrect adjustment / positioning of the stop-lamp switch. This can cause the stop lamp to light up permanently without the brake having to be applied.
If, in the case of the above-mentioned vehicle models with automatic running lights, the headlights are not set on "AUTO" in the headlight control switch, a possible cause of failure may be a defective ambient light sensor.