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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / October 2007Puff of White Smoke, at speed
Three times in the last two weeks I've been traveling down the freeway at about 65 and my Geo Metro has sputtered and a puff of white smoke has come out ( I presume ) the exhaust: I can see the "puff," which is fairly substantial, in my rear-view mirror. The car seems to run fine after this happens, but it is scary as you-know-what. Any suggestions as to what might be happening? Thank you, people. >Three times in the last two weeks I've been traveling down the freeway >at about 65 and my Geo Metro has sputtered and a puff of white smoke >has come out ( I presume ) the exhaust: I can see the "puff," which is >fairly substantial, in my rear-view mirror. The car seems to run fine >after this happens, but it is scary as you-know-what. Any suggestions >as to what might be happening? Did it start right after you got a tank of gas from a cheap gas station known for water contamination problems? --scott  Signature"C'est un Nagra. C'est suisse, et tres, tres precis." > In article <1191086916.424242.91...@g4g2000hsf.googlegroups.com>, > [quoted text clipped - 10 lines] > -- > "C'est un Nagra. C'est suisse, et tres, tres precis." I work at a Chevron and buy most of my gas there, but have bought at several different stations and still have the same problem. > Three times in the last two weeks I've been traveling down the freeway > at about 65 and my Geo Metro has sputtered and a puff of white smoke [quoted text clipped - 4 lines] > > Thank you, people. White smoke is normal on a cold engine when it's cold outside (say, below freezing) and goes away after the engine's warmed up. Since it's not that cold, you may have a problem in the form of a blown head gasket, or worse, a cracked engine block. Keep an eye on the engine coolant bottle, does the level stay the same over a few days or is it getting lower? If you pull out the oil dipstick, you may see the coolant if it is in the oil (as it may be with a blown gasket). pressure test of your cooling system. sounds like you are losing antifreeze. could be head gasket failure. > Three times in the last two weeks I've been traveling down the freeway > at about 65 and my Geo Metro has sputtered and a puff of white smoke [quoted text clipped - 4 lines] > > Thank you, people. Oil leak dripping on the exhaust manifold or pipe. |
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