Will a Damaged Exhaust Valve Cause Oil Burning?

1 Answers
MacLukas
07/29/25 1:23pm
Exhaust valve damage can indeed lead to oil burning and may also cause engine idle shaking or stalling. The main causes of exhaust valve damage include: 1. Poor quality of the exhaust valve itself; 2. Improper maintenance, low-quality fuel, or prolonged use leading to aging. The exhaust valve, also known as the pressure control valve, is installed between the compressor outlet and the condenser inlet to improve heat transfer efficiency within the condenser and evaporator. It works by recirculating exhaust gases back into the cylinder for combustion. The reintroduced exhaust gases effectively lower the internal temperature of the cylinder, thereby inhibiting the formation of NOX and reducing NOX emissions in the exhaust.
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