Occasional white smoke from exhaust, Diagnosis?

Asked by Sep 12, 2013 at 02:18 PM about the 1993 Lincoln Town Car Executive

Question type: Maintenance & Repair

Ive got a 1993 Lincoln Town Car that puffs white smoke when hot, hot start, and slow traffic. Im
not sure where to start with this one. The car was recently purchased from an old lady whom
didnt drive much, it sat with dirty oil for a while. Oil has since been changed. Any insight will
greatly be appreciated, thanks guys

3 Answers


White smoke usually indicates a blown head gasket or cracked head, watch the coolant level or check for oil in coolant or coolant in oil, might consider taking it to a shop you trust and have it block checked.

Tracy Hooks

Good advice. There are a few things that can go wrong to cause smoke at operating temp but instead of throwing money at it, I'd have the engine evaluated first as suggested.


Pure white smoke or could it be a whitish light blue smoke? Does it smell sweet or like coolant or more like oil/gas mixture? Does smoke only just puff out then stop with no smoke after accelerating? If no loss of coolant I would lean towards valve guide seals. With the age of your car they are probably hard and brittle. Some say they will only cause smoke at start up but that is not correct. They can also do it just as yours does.

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