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Classic Zcar Community

Classic Zcar Community

The Classic Zcar Community Pride Performance Preservation

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Smoking, spitting and sputtering

Posted April 2, 200618 yr

comment_162152

I just replaced my auxillary air regulator to solve my problem of high idle when coasting but now I have a new problem. The car now emits black smoke and coughs and sputters while trying to drive (just around the lot). This problem didn't exist before we replaced the air regulator. What is causing this new problem? I just put new plugs in today and it's still running rich.

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