Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Description And Operation: Notes
DESCRIPTION
The Ignition system is comprised of several different components. Those components are:
| 1. | Refer to KNOCK SENSOR . |
| 2. | Refer to CAMSHAFT POSITION (CMP) SENSOR . |
| 3. | Refer to IGNITION CAPACITOR . |
| 4. | Refer to IGNITION COIL . |
| 5. | Refer to VARIABLE VALVE TIME (VVT) SOLENOIDS . |
| 6. | Refer to POWERTRAIN CONTROL MODULE (PCM) . |
OPERATION
All engines use a fixed ignition timing system. Basic ignition timing is not adjustable. All spark advance is determined by the PCM.
The ignition system used on these engines is referred to as coil on plug. The system's four main components are the coils, spark plugs, CMP sensors, and the Crankshaft Position (CKP) sensor. Refer to FUEL SYSTEM, DESCRIPTION AND OPERATION . The coil on plug ignition system utilizes an ignition coil for every cylinder. The ignition coils are mounted directly over the each spark plug.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.