Passat Yu Ling 1.8t start 10 second gasp.

Does the subject want to ask "the reason why Passat Yu Ling 1.8t started 10 seconds gasped"? The PVC check valve is blocked and the water temperature sensing plug is faulty.

1, PVC check valve blocked: Passat Yu Ling PVC check valve blocked the exhaust gas in the crankcase, so it was discharged from the intake of the crankcase and reached the throttle position. After a long time, the throttle valve shows symptoms of oil deterioration, so it is necessary to replace the PVC valve in time.

2. Water temperature sensor plug failure: Passat Yu Ling water temperature sensor plug failure, resulting in mixed gas concentration problem.