Check engine light is on and fumes are very strong . on 1999 Chevrolet Astro

My check engine light is staying on constantly. Fumes we smell all day but more in the early morning. Making us very sick.

1 answer
The check engine light is trying to tell you that there's a problem detected with engine and emission control system and trouble codes are stored in the engine controller. The fumes must be raw gasoline which would indicate a fuel leak. You need a mechanic with a scanner to read the trouble codes and find the fuel leak. The fuel leak especially is a safety issue.
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