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When driving, white smoke comes out from tailpipes. What does that mean?

Answers from the Automotive Experts

Amanda J. Pierce, MBA Daniel, This typically indicates that you are burning oil, this is also referred to as "blow by" in some cases you have oil that is passing by your piston rings and burning incorrectly in your combustion chambers in turn you are seeing white smoke out of the tail pipe.

Audra Fordin, Owner at Great Bear Auto Shop Hi Daniel, Simple, White smoke from the tail pipe means anti-freeze is burning inside your engine. Not so simple! This smoke does not just "happen" one day. Is the smoke a new observation you have? Or were there symptoms that occurred before your smoke observation. Usually that smoke comes from a car that was overheating and the head gasket has damage.(anti-freeze leaking into the engine, and smoking out the back)Have you had any repairs done to your car recently? You need to go to your repair shop and have them test the head for coolant leaks. Good luck, Audra (the auto-motivator)

Barb Petrey, President - DBK Enterprises Inc at Jiffy Lube White smoke usually means a blown head gasket. See a technician for proper diagnosis.

Diane Larson, Owner/Manager at Larson's Service Hi Daniel, Smoke from the Tailpipes is usually caused by Oil or Water getting into the combustion chamber. White Smoke is usually the result of coolant leak, perhaps a head gasket. You need to check your fluid levels, have you been adding Oil or Coolant? Then a trip to your local independent garage where they can test, find the cause and solve your problem before it gets worse:) Have a Fun Day!

Laurie Sarno, Co-Owner at Super Girls Auto Hello Daniel- sorry to say that you have a blown head gasket- or a cracked cylinder head ( not common on Honda*s though) - cylinder head needs to be removed & machined & a new head gasket installed- hope this helps - thanks Super Girls Auto.

Lori Johnson, Owner and Instructor at Ladies Start Your Engines Dear Daniel, White smoke usually means that you have a blown head gasket. This means that coolant is getting in the engine and burning out the tailpipe. Be sure and have the engine head looked at for cracks or warping. Most times the gasket can just be replaced and you're on your way. As always, have a technician look at your vehicle to make a proper diagnosis. Lori Johnson

Pat Fleischmann, Director of First Impressions at Community Tire Pros & Auto Repair Most cases the car is burning water or coolant with fuel... Make that appointment with your or reputable facility in your area, they can give you a proper diagnostic and solution.

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