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.
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HOMESERVICE MANUALSMAZDA2008TRIBUTE S SPORT, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEIGNITION SYSTEMIGNITION SYSTEM - EXCEPT HYBRIDENGINE IGNITIONNOTES
2008 Mazda Tribute s Sport, 4WD
Engine Ignition: Notes
2008 Mazda Tribute s Sport, 4WDSECTION Notes
The electronic ignition (El) system is a coil-on-plug ignition system. The coil-on-plug ignition system consists of the following components:
- Ignition coil-on-plugs
- Spark plugs
- Crankshaft position (CKP) sensor
- Camshaft position (CMP) sensor
The ignition coil-on-plugs:
- change low voltage signals from the powertrain control module (PCM) to high voltage pulses.
- supply the high voltage pulses to the spark plugs.
- are connected directly to each spark plug.
The spark plugs:
- change high voltage pulses into a spark which ignites the fuel and air mixture.
The CKP sensor:
- is a variable reluctance sensor.
- is triggered by a 36-minus-1 tooth trigger wheel mounted on the crankshaft.
- provides base timing and crankshaft speed (rpm) to the PCM.
The CMP sensor:
- is a variable reluctance sensor.
- provides camshaft rotational location information to the PCM.
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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.