What are the symptoms after adding counterfeit engine oil?
3 Answers
After adding inferior engine oil, the lubrication effect becomes difficult to guarantee. Particularly, it exhibits poor wear resistance during cold starts at low temperatures and high-temperature wear due to inferior shear resistance under high temperatures. Heat dissipation also becomes a serious issue, manifesting as unexplained high temperatures in the engine. Carbon buildup caused by high temperatures is inevitable. Due to the poor cleaning capability of inferior engine oil, excessive oil sludge forms, which has poor fluidity and can severely clog piston ring oil injection holes. Definition of counterfeit engine oil: It should not actually be called counterfeit engine oil but rather inferior engine oil, and problems may not become apparent in the short term.
Last time I put fake engine oil in my car, the noise was terrible - it sounded like a roaring tractor, and the hood felt burning hot to touch. Fuel consumption increased noticeably; previously a full tank could run 600 km, but now it's less than 500. After a few days, the power weakened, acceleration became sluggish, and it was slower to start at traffic lights. The most annoying part was the dashboard coolant temperature light frequently coming on, indicating overheating risks. If not detected in time, internal engine wear worsens, such as piston ring damage, and black smoke starts coming from the exhaust pipe. Long-term damage could lead to repair costs reaching thousands. I recommend checking the oil cap - genuine oil should be clear and translucent, while fake oil appears dark and cloudy. After switching to authentic oil, the noise reduced significantly and the car runs much smoother. Also, don't delay maintenance intervals.
Fake engine oil provides poor lubrication, increasing internal engine friction, and you'll hear a continuous metallic screeching sound. The temperature rises quickly, with the coolant temperature gauge always hovering near the warning line. Power output drops, and you'll noticeably struggle when climbing hills. Fuel efficiency significantly declines, burning 10% more fuel for the same distance. My car fell victim last month, experiencing difficulty starting and making strange clicking noises. The oil pressure warning light flashes, indicating insufficient lubrication. Carbon deposits accumulate rapidly, and the exhaust turns black with a foul odor. Delaying repairs may lead to bearing seizure or cylinder scoring, resulting in costly repairs. Remember to change the oil and inspect every 5,000 kilometers, and carefully check the anti-counterfeiting code on genuine product labels. Now, with good oil added, the engine immediately becomes as quiet as new.
