4.  Hydraulic Trouble

This covers all hydraulic components, which may be probably stuck or not calibrated. These include components in hydraulic suspension and braking systems.

The Hydraulic Brake Booster (source: motorera.com)

2.  Mechanical Trouble

Your vehicle’s problem in this case would be with its stationary and moving parts, such as the rocker arms and pistons. Your auto parts may give in and cause trouble due to poor lubrication, corrosion, lack of clearance, too much friction, poor temperature control or ventilation, and improper adjustments.

Defects and broken rings in the piston head cause inefficient combustion in the chamber.

3.   Electronic Troubles

Your vehicle got a problem of this sort if it has malfunctioning electronic gadgets and controls, such as the ECU and other sensor-dependent equipment.

The Electronic Control Module — the master computer responsible for interpreting electrical signals sent by engine sensors and for activating automated engine components and processes accordingly in order to produce optimum performance. (definition by motorera.com)

So you’d find it easy to determine where  your vehicle is having problems, here are the kinds of automotive trouble you can try to use in troubleshooting.

1.  Electrical Trouble

This auto problem is caused by faulty electrical gadgets or equipment, such as your spark plug cables and alternator.  You have a problem of this kind if you’re having difficulty in generating, starting, ignition, lighting, and circuits.

Spark plug defects (click image to see in full resolution)