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Chevy Astro

What could cause a lot of black smoke and flooding on 92 Chevy Astro 4.3 if you have already changed the IAC and cleaned the EGR?


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Wiki User
2005-01-01 07:07:21
2005-01-01 07:07:21

if have black smoke it should be {rich fuel mixture} don't know what you means {flooding} sorry you most likely have a problem with the map sensor or wires leading to it. but the only real way to tell is to get real time data from a scan tool.

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