How to clear the blockage of exhaust pipe

From the design point of view, there is no way to clean the exhaust pipe. If the blockage is serious, replace it directly.

Let's talk about the influence of exhaust pipe blockage:

1. Insufficient power and slow speed increase. Tail gas can't get out, fresh air can't get in, and fresh air can't keep up with the power, which is bound to be insufficient.

2. The number of forced degradation of automatic transmission vehicles has increased. If the exhaust pipe is blocked and the engine power is insufficient, the driver will step on the throttle, but the ecu will automatically control the variable gear to force the downshift according to the throttle state.

It is difficult to start the engine. Although the battery is energized, the fuel injection is normal, and the compression pressure is normal, it just can't catch fire, because it is difficult for fresh air to come in.

When you step on the accelerator or emergency brake, the exhaust pipe will click.

In most cases, the main reason of exhaust pipe blockage is that the three-way catalyst is not cleaned.

So let's talk about the maintenance of three-way catalytic converter:

1. Use unleaded gasoline. The three-way catalytic converter is very sensitive to lead. If there is lead in the oil, it will lead to blockage.

2. Pay attention to maintenance. It's best to clean the throttle every 10 thousand kilometers. If the effect of cleaning the throttle valve is still not good, you need to clean the three-way catalyst.

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