Date: Wed, 08 Mar 2000 12:41:26 GMT
From: Andy de Boer <>
Subject: Re: 900 Turbo: Switch engines, or ring job?

Robert Brown wrote: > > Hi, > Reading Dan and Steve's replies here and would appreciate it if someone > could tell me if my simple rules-of-thumb below are correct: > > Black smoke - overly rich fuel-air mixture on some cars it's choke problems, carb, air filter anything to do with the mix of fuel and air...OTH the car might be diesel > Blue smoke - oil being burned in cylinders (i.e. needs ring job) or in the exhaust, might be valve seals... hard to tell sometimes what is blue or white... > White smoke - oil in exhaust system (including turbo seal breach, where > applicable ...) White smoke? could be water vapor(steam) which is normal, could be coolant entering the mix. > This is a question rather than a statement of fact. Any takers? these are all symptoms of problems which need to be looked at as a whole and other diagnostics are required to make a difinitive diagnosis. A compression test will tell you more about the engine's problems are then what's coming out the tailpipe. Cheers Robert Andy

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