The true health of a battery cannot be checked by simply measuring the terminal voltage. A resistive load is placed and the rate of discharge is monitored by watching the battery terminal voltage.
The headlight flasher of a car is designed in such a way that multiple flashes can be done in very quick successions. The lights can be flashed or held ON.
Radiator fan speed is normally controlled by the ECU or fan control module. If the system is bypassed, it has negative side effects like high fuel consumption, shortened fan lifespan.
Emission of black smoke from exhaust of a vehicle has many possible causes. It is due to faults that cause incomplete fuel combustion as a result of rich air-fuel mixture.
Overspeeding has negative safety and economic effects. Also, in trying to beat time by speeding excessively, the driver might end up having more travel time.
Some vehicles have transmission oil temperature guage. For others that do not have, a scantool that plugs into obd2 port or a handheld infrared thermometer can be used.
Transmission fluids expand as they heat up. This changes the volume and consequently the fill level. This makes the temperature st which fluid level is checked important.
The mats in the footwell of a car can cause serious safety issue if not properly installed. The floor mats can interfere with the brake or accelerator pedal, causing serious safety concern.
In the event of brake failure, there are safe tricks to use to bring a vehicle to a stop to avoid an accident. Gradual downshifting is an effective way to safely stop a car by using engine braking.
