Routine maintenance
Oil leak around the valve cover: is the gasket faulty?
Oil near the valve cover identifies an observation location, not necessarily the leak source.
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Guides, articles and problems
Transmission
Delayed accelerator response: causes of throttle lag
Delayed acceleration may originate in the engine, gear selection or load conditions; it is not a specific fault name.
Warning lights
Electronic throttle delay: check the signal before cleaning
With electronic control, the pedal sends a request to the system; delayed response does not always mean the throttle body needs cleaning.
Safety and travel
Hard or soft brake pedal: the difference and its meaning
A hard pedal requires more force; a soft pedal or one sinking further than usual is a different symptom.
Routine maintenance
High clutch biting point: what needs checking?
A high clutch biting point differs from a high pedal position.
Safety and travel
Vehicle vibrates when braking: pads or discs?
Shaking that appears only during braking differs from constant speed-related vibration.
Suspension and tires
Steering-wheel vibration at a particular speed: what should you check first?
Steering-wheel vibration within a speed range calls for front-wheel and steering assessment, but feeling it there does not prove the problem is confined to them.
Suspension and tires
Steering deviation after balancing: is it alignment?
Balancing checks balance, not wheel alignment.
Cooling and air conditioning
Coolant boiling in the reservoir: possible causes
Visible fluid movement or steam in the reservoir needs interpretation, not assessment by opening the cap while the engine is hot.
Engine and maintenance
Engine shakes with air conditioning: is it normal?
Air conditioning adds load, but new persistent shaking needs assessment.
Cooling and air conditioning
Air conditioning cools, then cuts out: why?
Changing cooling may be normal system regulation or an abnormal interruption.
Cooling and air conditioning
Fan running continuously: is the temperature sensor faulty?
The fan may run according to temperature, air-conditioning demand and vehicle design, and may continue after shutdown on some models.