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What is the cause of blue smoke from exhaust only in the morning on first takeoff but not blowing blue smoke at all after that?
Wiki User
∙ 16y ago
Oil is seeping past a worn valve guide(s)/components and pooling in the cylinder while the car sits. Once running, the seepage is too small to generate enough smoke to be visible. It's only when the engine is not running that it collects enough oil to burn, creating visible smoke. Alternatively, worn rings that expand when warm may be allowing oil past. This is generally not the case, in almost all cases I have seen it is from the valve train. Check with a mechanic to see how much replacing the guides will cost. Some engines do not need to have the head removed to perform this repair.
Wiki User
∙ 16y ago
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