Symptom: a Jetta diesel car, the car exhaust pipe braved a lot of blue smoke, and accelerate the weakness, the more urgent the fuel on the more weak, gently refueling can also bring the load hanging block, but slower.
     Troubleshooting: the professional technicians with computer testing and found that fuel injection time is very normal ignition, start the fire is also easy to use, road test found that the rapid acceleration of the state, the fuel supply is not on, and then check the fuel system, found this car With the No. 35 fuel is very turbid. Introduced by the user, is a small gas station plus the oil, this car has been more than ten days, and more and more serious after the refueling. And finally to the service station to repair.
     After understanding, the maintenance station to accurately determine the car: high pressure pump N146 fuel supply card, and a long time without regular maintenance, coupled with the use of substandard diesel, which caused the car now fault. Maintenance station on the car high-pressure pump for a professional maintenance treatment, carried out a thorough cleaning of the oil, loading troubleshooting, power even better than before.