How to Determine if a Car is Burning Engine Oil?

[KathrynFitz]

Methods to determine if a car is burning engine oil: 1. Blue smoke from the exhaust pipe: Thick blue smoke is emitted from the exhaust pipe during cold starts and disappears after a while; a large amount of blue smoke is expelled from the exhaust pipe when the accelerator is pressed hard, and in severe cases, it can even be seen in the rearview mirror. 2. Blackening of the inner wall of the exhaust pipe: Observe the inner wall of the exhaust pipe. If it is found to be very black and remains so after wiping for a week, it indicates that the vehicle has an engine oil burning problem. The following is an introduction to engine oil burning: 1. Symptoms of engine oil burning: If the engine shakes while the vehicle is idling, or if the engine oil is severely depleted during a routine maintenance (oil change) cycle (without any leakage), then the vehicle is experiencing engine oil burning. 2. Causes of engine oil burning: (1) Incorrect installation or misalignment of piston rings, but this is rare and has a low probability of occurrence. (2) Overfilling of engine oil, exceeding the upper limit of the scale. (3) Dirty throttle valve.