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P0442: EVAP System Leak Detected (Small Leak)

RepairSmith

APRIL 25, 2024

So when the leak detection pump in the exhaust system suspects a small EVAP leak event, it immediately turns the Check Engine Light on. While the engine light doesn’t necessarily indicate the P0442 code, getting your car checked is a good idea. A smoke test uses a smoke machine to find hard-to-detect fuel vapor leaks.

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P0442: EVAP System Leak Detected (Small Leak)

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