Fault phenomenon An Audi 100 2.2E car needs to be started quickly when it is cold, but it cannot be started immediately after the hot car is turned off. Once started, the engine will run normally. Inspection and elimination First, the ignition system was tested, and the results showed that all parts were normal. Then the fuel system was tested, and the measured system pressure was 370kPa, and the control pressure was 4 10 kPa, indicating that the fuel pump was working normally. But according to experience, ...