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peterbecker2

Aslan engine issues

Good day. I am experiencing a problem with my 2015 Hyundai Aslan gasoline. The check engine light comes on, the engine stalls at idle, and there's reduced engine power. The car has 136948 km. Could a defective fuel volume regulator cause these symptoms? I suspect a defective high pressure pump is the cause.

Summary of the thread

A 2015 Hyundai Aslan is experiencing engine issues, including a check engine light, stalling at idle, and reduced power. The suspected cause is a defective high-pressure fuel pump, which can lead to a malfunctioning fuel volume regulator. Confirmation from a workshop revealed that the high-pressure fuel pump was indeed faulty, and the issue was resolved with a repair.

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4 comment(s)

luisejung39

Hey, I've got an Aslan too! Sounds like the fuel regulator issue I had. Is your fuel economy also in the toilet? It could be the high-pressure fuel pump, like you said. Are you hearing any weird noises from the engine bay?

peterbecker2 (community.author)

Thank you for your response. The fuel efficiency has decreased noticeably, yes. As for strange noises, I haven't detected anything unusual. If it was indeed your fuel regulator, what was the final resolution?

luisejung39

Yep, sounds like it. I had the exact same symptoms. The workshop diagnosed a defective high-pressure fuel pump. I'd get it checked out ASAP. Continuing to drive with that issue can damage other components, leading to a bigger repair bill.

peterbecker2 (community.author)

Understood. I appreciate the confirmation. The workshop confirmed your suspicion - the high-pressure fuel pump was faulty, causing the fuel regulator to malfunction. The repair cost 1510€. Thank you again for your help!

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HYUNDAI

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ASLAN