Guys I have a 1986 lx 3.8 it is smoking white smoke
25

Asked by bobjo612 Jun 07, 2013 at 08:27 PM about the 1986 Ford Mustang LX Convertible RWD

Question type: Maintenance & Repair

Guys,
I am at a loss, I purchased a 1986 mustang 3.8 lx convertible.It smoked under load.
I replaced the heads all gaskets and ran a pressure test and compression test (all Good)
Started engine ran perfectly except for the white smoke.Can you help? Thanks

3 Answers
58,565

Tracy answered 11 years ago

Ya know, these guys covered it well but the first thing that came to my mind is a blown out diaphragm on a fuel pressure regulator. Easy to check - pull the vacuum line on the regulator and see if any gasoline comes out of the vacuum line. DO NOT DO IT WITH A RUNNING ENGINE! If it is blown, there will be a considerable amount of gasoline present - you can't miss it. Way too much fuel will smoke white like that too.

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10

Jacob answered 11 years ago

Have you tried letting of the gas , maybe getting rid of the racing slicks ???

Mark helpful

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