Chevy Silverado won't start
3 Answers
The smell may be from a bad catalytic converter.
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Pull a spark plug out and see if gas comes out if it does then u need injections I had a 99 Chevy and it did the same think
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An overcharged battery will typically smell like rotten eggs. Made the mistake of leaving my lawnmower battery on the charger too long and the whole garage smelled like rotten eggs. Not to mention, that fried that battery.