Geely ran 654.38+10,000 kilometers, and the tail gas of the vehicle inspection was unqualified. Is it useful to add fuel treasure and 97 ethanol gasoline for 100 kilometers before going to check the c

Geely ran 654.38+10,000 kilometers, and the tail gas of the vehicle inspection was unqualified. Is it useful to add fuel treasure and 97 ethanol gasoline for 100 kilometers before going to check the car? 1, it's no use. Carbon deposits are produced in several places. fuel treasure may have some effects on nozzles and cylinders. However, the carbon deposits in the throttle and intake manifold will not be removed.

2. The throttle valve, fuel injector and intake manifold can be cleaned. First, replace the gasoline grille, air grille, oil and oil grille, etc. Then use the tail gas detector to detect.

3, 65438+ 10,000 km car, if the engine is not well maintained, the internal wear will be very serious. If it really doesn't work, I'll spend dozens of dollars to find someone to help me try it out.