I am Dongfeng Tianlong with 2065 438+03 12 420 horsepower. The power of my car is seriously reduced and the fuel consumption is high. The master can help me diagnose.

First, the air intake, fuel injector and throttle are too dirty, which is also the most common reason for the increase in fuel consumption. To solve this problem, it is possible to clean these parts on schedule; Second, the oil circuit is faulty; Third, circuit failure, these two reasons are also relatively common; Fourth, the spark plug is broken; Fifth, the ignition coil is broken. These two reasons may lead to a cylinder of the engine not doing work, or insufficient work, and the engine power will be reduced. Many careless car owners feel that the power is insufficient, and it is likely that they will slam on the accelerator for a long time, and the fuel consumption will naturally increase. hope this helps

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