Automotive Locksmith Ignition System Repair & Replacement 1 — Questions and Answers
Question 1: What is the primary function of a vehicle ignition system?
- Generate an electrical spark to start the engine (Correct answer)
- Lock the steering wheel permanently
- Control the fuel injection system
- Activate the car alarm
Correct answer: Generate an electrical spark to start the engine
The ignition system provides the electrical spark needed to start the engine and keep it running efficiently.
Question 2: Which component is commonly replaced in a faulty ignition system?
- Ignition switch (Correct answer)
- Brake rotor
- Spark plug wire
- Air filter
Correct answer: Ignition switch
The ignition switch is a critical component that can wear out over time and may need replacement to restore proper function.
Question 3: What symptom indicates a failing ignition cylinder?
- Key won't turn or starts intermittently (Correct answer)
- Excessive brake pedal vibration
- Check engine light flashing
- Horn stops working
Correct answer: Key won't turn or starts intermittently
A worn-out ignition cylinder may cause difficulty in turning the key or lead to a complete failure to start the vehicle.
Question 4: Which tool is most useful for removing an ignition cylinder?
- Pin or pick tool (Correct answer)
- Sledgehammer
- Torque wrench
- Drill press
Correct answer: Pin or pick tool
A pin or pick tool is often required to release the locking mechanism and safely remove the ignition cylinder.
Question 5: Why is key programming often required after ignition cylinder replacement?
- To sync the key with the new ignition system (Correct answer)
- To disable the vehicle alarm
- To reset the fuel pump
- To calibrate the speedometer
Correct answer: To sync the key with the new ignition system
Modern vehicles use immobilizer systems that require the key to be reprogrammed to communicate with the new ignition cylinder.
Question 6: What should be done before replacing an ignition switch?
- Disconnect the battery (Correct answer)
- Depress the brake pedal
- Turn on the hazard lights
- Engage the parking brake
Correct answer: Disconnect the battery
Disconnecting the battery prevents electrical shocks and damage when working on the ignition system.
Automotive Locksmith Ignition System Repair & Replacement 1
What is the primary function of a vehicle ignition system?