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Can you adjust efi on a 1993 Chevy 5.7 to make it not run so lean?
Wiki User
∙ 13y ago
NO there is no ADJUSTMENT on the TBI / Throttle body. If the check engine light is on then you need to have the engine scanned with an engine scanner to see what is going on with the emissions system / engine sensers.
Wiki User
∙ 13y ago
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