What are the reasons for difficulty in starting the car after parking for 20 minutes when the engine is hot?

1 Answers
StLydia
07/30/25 5:44am
The reasons for difficulty in starting the car after parking for 20 minutes when the engine is hot are: 1. Air leakage in the intake system; 2. Fuel pressure is too low; 3. Air filter is clogged; 4. Faulty water temperature sensor; 5. Faulty air flow meter; 6. Faulty idle control valve or additional air valve; 7. Cold start injector not working or fuel injector leaking; 8. Incorrect ignition timing, or open circuit in the wiring from the start switch to the computer; 9. Cylinder compression pressure is too low. Other reasons that may cause difficulty in starting the car after parking for 20 minutes when the engine is hot include ignition coil breakdown, poor thermal stability of internal electronic components in the ignition module, etc. It is recommended that the owner take the car to a professional repair shop or 4S store for inspection and repair.
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