1997 Mercury Sable white smoke

1997 MERCURY SABLE
164,280 MILES • 6 CYL • FWD • AUTOMATIC
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OLD FORD TECH
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white smoke have replaced both head gaskets,heads ok.how do i test for crack lower intake manifold.number 2 spark plug is white.runs ok at idle.not over heating.thanks
Nov 18, 2008 at 8:34 PM
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BMRFIXIT
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Possible catalytic converters full of antifreeze
are you loosing any coolant after the job was done ?

need manual CHECK IT @
https://www.2carpros.com/kpages/auto_repair_manuals.htm
Nov 18, 2008 at 8:48 PM
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OLD FORD TECH
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iam not loosing any coolant.trying to fine out how to test lower intake for leak.put in new plug in number 2 cylinder still white.thanks .old for man
Nov 19, 2008 at 10:27 AM
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BMRFIXIT
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Pressure the coolant system will revel any leaks in the intake or other areas
If not over heating, heads checked OK
Head gasket new
Do a compression test
White smoke:
Check catalytic converter possible full of coolant from before
Nov 19, 2008 at 10:36 AM
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OLD FORD TECH
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thanks to everyone.no more white smoke.found out there was water in cats.drove it burned off water.runs good now.thanks again
Dec 2, 2008 at 8:02 PM