Why is the engine hot car difficult to start
Oil; ignition timing is not correct; start switch to the computer wiring circuit; cylinder compression pressure is too low.
Air flow sensor failure; air flow meter failure; idle control valve or additional air valve failure; cold start fuel injector does not work; injector leaks; air pressure sensor failure;
(1) for fault self-diagnosis. If the fault code, according to the fault code to find the corresponding cause of the malfunction. (2) Check the vacuum of the intake pipe at idle. If the vacuum is less than 667 kPa, indicating that the air intake system has air leakage, should check the inlet pipe joints, pads, vacuum hoses, etc., as well as exhaust gas recirculation system, fuel evaporation recovery system.
