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What Causes a Car to Fail to Start After Overheating and Stalling?

1 Answers

LaLucia

07/30/25 3:43am

Reasons why a car engine fails to start after overheating: 1. Excessive carbon deposits: Large amounts of carbon deposits can absorb gasoline, causing a short-term lean air-fuel mixture. 2. Fuel injector dripping: After shutting off the engine, poor sealing of the fuel injector leads to cylinder soaking, resulting in an overly rich air-fuel mixture, making it difficult to start. 3. Insufficient fuel pressure: Mainly caused by malfunctions in the fuel pump and fuel pressure valve. 4. Faulty coolant temperature sensor and intake pressure sensor: Leading to incorrect sensing signals, causing the air-fuel mixture to be too rich or too lean. 5. Faulty ignition coil: Changes in resistance value cause the secondary voltage to be too low, making it difficult to start. 6. Faulty oxygen sensor: Unable to correct excessive fuel injection, resulting in an overly rich air-fuel mixture.

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What kind of car is Tu You?

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