The EFI diesel vehicle shows ec.

There may be something wrong with the accelerator of the vehicle.

The following are the performance and solutions of epc lamps for diesel vehicles:

1, performance: air intake system failure, such as leakage or poor blockage; The throttle body is dirty and has too much carbon deposit; Fuel selection is not up to standard; Abnormal cylinder pressure and poor working conditions; Occasionally failure, a false alarm; Valve failure, sticking or carbon deposition; ECU failure.

2. Solution: Troubleshoot the air intake system, select fuel that meets the standard, and clean the throttle body; Remove carbon deposits from related parts and clean them; Rewrite ECU related data; The possibility caused by other faults is not ruled out, and the test results of the real vehicle shall prevail before maintenance.