went into limp home mode when preheating warning lamp came on got home .now lots of white smoke from exhaust

2001 RENAULT LAGUNA
130,000 MILES
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DC STEPHEN
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driving home tonight my cars preheat warning light came on and the car went into limp home mode i got home at a slow speed but when i puled up at my house the car started smoking from the exhaust white smoke lots of it
Sep 21, 2011 at 8:55 PM
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DRCRANKNWRENCH
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It sounds like you have a head gasket leak. Otherwise known as a blown head gasket.
Sep 22, 2011 at 2:23 AM
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KING2807
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change your glow plugs
Mar 17, 2012 at 10:02 PM
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DRCRANKNWRENCH
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If any coolant is getting into the cylinder it will make things worse to keep running it. Diesels are very sensitive to fluid in the combustion chamber.
You might get away with just the head gasket if you get on it now. Waiting will only cause more damage.
Mar 18, 2012 at 2:52 AM