What is the abnormal noise of Cadillac xt6 engine?

The reasons for abnormal noise of Cadillac xt6 engine in Pacific Auto Network are: 1. Aging or loosening of foot glue; 2. Excessive wear of piston and cylinder wall; 3. The mixture is too thick; 4. The air inlet pipe of the engine leaks.

There are two reasons why the trouble light of Cadillac XT6 engine is on.

First of all, the brake switch is broken,

Second, the throttle needs cleaning.

The engine fault signal is sent by the engine computer, which regulates all electronic devices of the whole engine, such as electronic throttle, fuel injector, generator, fuel pump and so on. , covering intake, exhaust, fuel, ignition, timing and other systems. Then if the engine fault light is on, the engine fault light only indicates that a certain system is not normal. As for the specific fault, it needs the help of computer tester to interpret it. The car can still be driven, but at this time, we must pay attention to adjusting the speed and do the test immediately.

The causes of engine ignition are as follows: 1. The combustion state is not good;

2. Engine knocking;

3. Poor fuel quality;

4. The inside of the engine cylinder is not clean and there is carbon deposit.

Go to the repair shop to thoroughly clean the engine: effectively clean the injector and intake valve. Carbon deposits and colloids on the combustion chamber. It is necessary to improve the problems such as jitter and vibration caused by the increase of fuel consumption and engine blockage, improve the sealing performance, and completely solve the phenomenon of afterburning and knocking; Regular use can inhibit the formation of colloid, carbon deposits and other deposits, remove carbon deposits and sludge attached to the intake branch pipe, improve engine power, keep idle speed stable, and shorten harmful exhaust emissions.

(Photo/Text/Photo: Pacific Auto Network Q&A called Beast)