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2001 Dodge Neon Highline 4dr Sedan

2001 Dodge Neon
Trim Info:
Front Wheel Drive, 4 Door Sedan, Compact
27 mpg city / 33 mpg hwy
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April 27, 2013, 11:16 am

Kurt F

Question: changed spark plugs now white smoke is coming from tailpipe

i just changed the plugs in the car and now white smoke is coming out of the tailpipe. it was fine before. i have since put the old plugs back in and it still does it. All the other fluids are fine and the temp isnt rising any faster than usual. It is not sweet smoke either.

April 28, 2013, 10:18 am

Ron W
Expert Mechanic

I'm not sure how changing pugs could cause this unless it is just coincidence.

Sounds like you may have a head gasket or intake manifold gasket leak.

Typically the heavy white smoke with or without a sweet smell indicates coolant in the combustion chamber.

Some white smoke on cold start up is normal from condensation in the exhaust, but if it last more than a minute or two or there is a lot of it, you should have the car checked.

I wouldn't recommend driving it in this condition as you could cause excessive engine or catalytic converter damage.

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