Runs rich on cold start - Volkswagen Forum - VW Forums for Volkwagen enthusiasts

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Old 12-12-2017, 05:23 PM
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Default Runs rich on cold start

Hi, I've got a '87 Vanagon that runs very rich after a cold start, ie, black smoke, and the smell of raw gas. It doesn't last long, thought, maybe a minute or two. Then it leans out. I suppose it's a problem with a sensor or something. Can anyone tell me what the problem might be. Thank you much.
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Old 12-13-2017, 07:48 AM
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First posts normally go in introductions else you could get a free fix and we never see you again!!!

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It could be a lot of things. You need to get your motor scanned (preferably with VAG-COM\VCDS) for any error codes logged in the ecu and post them, that will save a lot of guessing.
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