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Depending on the color and smell of the smoke, it could be a few things:

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= Bluish white smoke with a sweet smell === This would most likely indicate a coolant leak into your combustion chamber. To get this fixed, you are looking at a complete engine rebuild (around $1000). This is the most likely failure if you are experiencing hard starting, smoking on startup, and occasional smoking while driving. Another fix for this problem that is very highly frowned upon is using the generic "Radiator Stop Leak", but be warned, this will make any rebuild of the engine in the future MUCH more expensive and time consuming. They may be able to diagnose this at a shop by doing a pressure test on the coolant system.
This, as the smell would lead you to believe, could indicate an oil leak into your combustion chamber. This also would need to be fixed with a full rebuild. This is less common, but not unheard of.
This would indicate that you may have a leaky fuel injector. if this is the case, you may be able to solve your problem temporarily by using a bottle of fuel injector cleaner, but eventually you will need to have your injectors cleaned or replaced.



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Q: What can cause a 1988 RX7 to smoke really bad until it warms up and even sometimes when it is warm?
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