Question about 1985 Ford F150

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1985 300 runs to rich

1985 ford 300 runs to rich ,runs like the chock is on ,but it is not

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Is it a Holly carburator? If it is and the choke operating correctly, then you have a warped metering plate in the carb allowing too much gas to go into the engine. Rebuild the carb abd check the plates for warpage before reinstalling them. There is also a power valve in the carburator that some times goes bad. Good Luck,

Posted on Apr 13, 2009


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Check your spark plugs - see what color the deposits are. If they look tan, the engine is running correctly. If they have a fluffy black deposit, your engine is running rich. Make sure your air filter and the breathing tube are clear.

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