Answer
Apr 18, 2024 - 01:24 PM
Hi there,
That is quite a repair attempt already and you did fine initially. It looks like your vehicle is experiencing a problem related to excessive crankcase pressure or oil consumption, which is relieved by the PCV system (positive crankcase ventilation). The possible top 3 causes of the issue are:
1. PCV System Blockage. A restricted PCV system causes excessive crankcase pressure build-up. This leads to oil being forced past the seals and into the combustion chambers, which causes heavy smoke upon accelerating.
2. Worn-out Piston Rings/Cylinder Walls. Bad piston rings or wear on the cylinder walls can allow oil to bypass into the combustion chambers, leading to heavy smoke and heavy oil consumption when accelerating.
3. Bad Valve Stem Seals. Defective valve seals can allow oil to leak past the valve stem seals and into the combustion chambers resulting in heavy smoke upon acceleration.
I hope this helps!
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