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.
Detonation Sensor
System is used on all California V8 engines. System uses a sensor mounted in intake manifold. Sensor is tuned to frequency characteristic of engine knocking. When knock frequencies are detected, sensor sends a low voltage signal to computer. Computer will then retard timing a maximum of 11°. Amount of retard is directly proportional to strength and frequency of detonation. When detonation stops, timing is advanced to original position.
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.
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