Check Engine Light With Burning Smell: What to Do Now
Key Takeaway
Burning smell plus check engine light? Don't ignore this. Here's what to check immediately.
Burning Smell Types
| Smell Type | Possible Cause | Severity |
|---|---|---|
| Burning rubber | Belt slipping or hose on exhaust | High |
| Burning oil | Oil leak on hot exhaust | High |
| Burning plastic | Electrical wiring melting | Critical |
| Sweet smell | Coolant leak on hot surface | High |
| Sulfur/rotten eggs | Catalytic converter overheating | High |
Immediate Actions
1. Pull over safely.
2. Turn off the engine.
3. Look for smoke — identify source if visible.
4. Do not continue driving until identified.
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