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-   -   White smoke when its cold (https://www.rx7club.com/general-rotary-tech-support-11/white-smoke-when-its-cold-492876/)

floman 12-21-05 03:48 PM

White smoke when its cold
 
When i start my rx7 in the morning to go to work, there is some white smoke coming from the exhaust. Its not alot but its enough to get me worried. I had an engine rebuild about 25000-30000 miles ago. I was wondering what this was caused by exactly and how can i fix it. Thanks
-Floman

rotary2nr1 12-21-05 03:51 PM

cause in the winter u can see the smoke come out of the exhaust

floman 12-21-05 04:02 PM

well i hope that was a serious post

RX7 8U 12-21-05 06:56 PM

If it has a sweet anti-freeze smell then your engine is cooked. Blew a seal. If it doesn't smell and goes away quick and engine starts ok then its probably condensation in the exhaust. If you suspect the worst then have a mechanic stick an exhaust gas probe in the coolant. If there is exhaust gases detected in the coolant then a seal is blown.

If you only have 30k on the engine and never ever overheated it then it's probably just condensation. Good luck!

floman 12-22-05 03:22 AM

thanks for the help. I hope is just condensation.

mazdaspeed87 12-23-05 01:22 PM

lol dont worrie about it mine does it to its just because its damb cold out its as simple as your breath doing the same thing

mazdaspeed87 12-23-05 01:23 PM

if its white be happy blue/black now you can worrie

floman 12-23-05 04:15 PM

Well it had me scared for a while. Thanks

floman 12-23-05 04:25 PM

well I am in Austin tx and it was 70 degrees out today but oh well.

boost-in-rx7s93 12-24-05 02:51 PM

ok if it is white smoke on even a warm morning you probly have a blown coolant seal.

all rx7s ten to have there own degree of smoking, expecialy if it is cold. dont confuse condensation for smoke, to tell the defference smel for slight sweet smell as stated above!

thanks and good luck, joe


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