What are the reasons for the Maxus V80 emitting black smoke and lacking power?
2 Answers
The reasons for the Maxus V80 emitting black smoke and lacking power generally include: insufficient air intake, excessive load, and excessive fuel supply. Alternatively, incorrect ignition timing, whether advanced or delayed, can also lead to black smoke production. Check the engine's oil pressure and inspect whether the engine sensors are functioning properly. Check and replace the air filter: Inspect whether the turbocharger and intercooler are operating normally; examine whether the chassis systems and mechanisms are functioning properly. Drive at a steady speed with no load and light load to see if there is excessive resistance. Excessive fuel supply: Check the valve clearance, fuel injector atomization, and fuel pump supply quantity in sequence. There are not many tasks you can do yourself, as most require specialized equipment and tools. It is necessary to visit a reliable repair shop for inspection.
My Maxus V80 used to emit black smoke and lacked power when hauling goods before. At that time, the air filter was completely clogged, preventing air from being drawn in. The fuel couldn't burn completely, resulting in black smoke, and the vehicle had no strength. It's possible that the turbocharger in your car is broken, and the insufficient boost pressure causes a drop in power. Or the fuel injector might be clogged, affecting combustion whether it sprays too much or too little fuel. Another possibility is a faulty EGR valve (Exhaust Gas Recirculation system), which allows too much exhaust gas to recirculate, also causing black smoke. Driving without power is very dangerous, especially on slopes where the engine is prone to stalling. I suggest you first check the air filter yourself—it's located under the hood. Take it out and see if it's dirty; if it is, replace it, which only costs a few dozen yuan. If this doesn't solve the problem, don't force the car to run. Instead, take it to a repair shop to check the turbocharger or fuel system. Delaying repairs can cause significant damage to the engine. Regularly replacing the three filters (air, oil, and fuel) can prevent such issues.
