Malfunctions in the ignition system
*Weak or no spark
* Difficulty starting the engine
* Engine does not idle
*Power drop
Malfunctions in the power system
* Poor fuel atomization
* Insufficient fuel supply
* Clogged fuel filter
* Faulty fuel pump
* Faulty spark plugs
Malfunctions in the charging system
*Poor battery charging
* Faulty generator
* Faulty voltage regulator
* Worn alternator brushes
* Broken alternator belt
Malfunctions in the lighting system
* Lamp burnout
* Malfunction of switches
* Wiring faults
* Dimming headlights
* Light flickering
Malfunctions in the electrical system
* Faulty starter
* Faulty ignition coil
*Faulty Engine Control Module (ECM)
* Faulty relays and fuses
*Wiring problems
Malfunctions in electronic systems
* Faulty ABS system
* Faulty airbag control system
* Faulty traction control system
* Faulty blind spot monitoring system
* Faulty parking assistance system
Other electrical faults
*Dead battery
* Battery terminal corrosion
* Wiring faults
* Electrical noise and interference
* Radio interference