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When it rains all day my 1994 Chevy 4x4 350 TBI will not idle right It surges high and low and sometimes shuts off Checked the codes it says 33-MAP sensor and 13-O2 circuit Anyone have any info?
Wiki User
∙ 12y ago
sounds like moister is getting in the distributer cap or its cracked
Wiki User
∙ 12y ago
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