luisaflamme8

Fiesta engine jerking hissing

My 2000 Ford Fiesta gasoline engine with 189715 km is having issues. The check engine light is on, it jerks when accelerating, and there's a whistling noise that becomes a loud hissing. The engine stalls at idle, and I'm seeing higher fuel consumption and reduced power. I suspect a faulty boost pressure sensor. Could a defective cable or plug connection be the problem? Has anyone else had this?

A 2000 Ford Fiesta is experiencing engine issues, including jerking during acceleration, a whistling noise escalating to a loud hissing, stalling at idle, increased fuel consumption, and reduced power, with the check engine light on. The initial suspicion was a faulty boost pressure sensor, but a suggestion was made to check the air intake system. Upon inspection at a workshop, the problem was confirmed to be a defective cable connection related to the boost pressure sensor, which was repaired.

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4 comment(s)

That sounds familiar! I drive a Fiesta too. Are you sure it's the boost pressure sensor? Mine had similar symptoms – jerking, hissing, and the check engine light. Could it be related to the air intake system instead?

Thanks for the reply. Air intake? Is there any specific part of the air intake system I should check, given these symptoms?

Well, I am no expert, but that´s what a workshop told me. They sorted it quickly. I suggest you get yours checked too.

I appreciate the insight. I had the Fiesta checked at a workshop. It was the boost pressure sensor, specifically a defective cable connection. Repair cost: 95€

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FORD

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FIESTA