my 1998 mazda 626lx has white smoke upon startup, 107,000 miles. could it be oil burn or head gasket, valve problem. what test should diagnose it. what are some repair off the cuff estimates for each?

Sheilah Graham

Asked by Mar 18, 2016 at 07:49 AM about the 1998 Mazda 626 LX

Question type: Maintenance & Repair

Any suggestions

5 Answers


White smoke is usually a head gasket or head related problem, a block check test will confirm that. Rough estimate 5 to 8 hundred depending on parts and machining prices. Oil smoke is usually blue and usually requires an engine rebuild or replacement, and a 98 may not be worth replacing an engine unless the rest of the car is cherry.

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Best Answer

Morning tennisshoes...


Morning Rowefast, still too early for me just now 5 AM.


So you are on the west side, I'm 3 hrs. a head of you.


Yep, all those years an auto tech are catching up with me.

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