The Auto Center of El Cajon
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The engine can act odd when it develops problems. Yet, you can take notice of the symptoms your vehicle is showing to try and detect what’s causing it. Read our symptom checklist and try to find your issue.
Cause: Triggered by issues such as faulty sensors, misfires, or emission system problems, signaling the need for diagnostics.
Cause: Low oil levels, worn-out bearings, or detonation (spark knock) can cause unusual knocking or tapping sounds from the engine.
Excessive Exhaust Smoke (Black, Blue, or White)
Cause: Black smoke may indicate a rich fuel mixture, blue smoke suggests oil burning, and white smoke can mean a coolant leak or head gasket failure.
Loss of Power or Poor Performance
Cause: Clogged air filters, failing fuel injectors, or timing belt/chain issues can lead to reduced engine power and sluggish performance.
Cause: A failing thermostat, low coolant levels, or a malfunctioning radiator fan can cause the engine to overheat, risking severe damage.
Cause: Faulty spark plugs, dirty throttle body, or vacuum leaks can disrupt engine operation, causing rough idling or unexpected stalls.
Cause: Damaged gaskets, seals, or oil pans can lead to visible leaks or low oil levels, risking damage to engine components.
Cause: A dead battery, bad starter motor, or faulty ignition system can prevent the engine from cranking or starting.
Cause: Worn motor mounts, misfires, or unbalanced components can cause the engine or vehicle to vibrate excessively during operation.
Cause: Oil leaks, electrical short circuits, or a slipping belt can produce a distinct burning smell, indicating an urgent issue.