Engine noise / turbocharger fault

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ervybaby
New Member

Posts: 3

Engine noise / turbocharger fault Oct 9, 2023 18:14:39 GMT

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Post by ervybaby on Oct 9, 2023 18:14:39 GMT

Been trying to resolve a thrashing noise coming from the engine sounding like a clicking sprocket or spokes from a bicycle. I initially thought it was the transmission but the noise appears when revving in neutral.
My ECP light has been showing intermittently and I have a Turbocharger error (obd11 reading) with a fault code P00AF00.

Here's a link to hear it (sorry for the image but it's the noise thats more important) - you'll hear the thrashing noise more on the winding down.

Any advice how to further troubleshoot before I bring it in to the mechanic? I've read also somewhere that the solenoid in the high pressure fuel pump can be at fault.

Tnx

Car : Golf MK7 Tsi - manual - 2015 NorthAmerica

Last Edit: Oct 12, 2023 1:24:28 GMT by ervybaby

dv52 (Australia)
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Posts: 6,062

Engine noise / turbocharger fault Oct 9, 2023 22:03:22 GMT

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Post by dv52 (Australia) on Oct 9, 2023 22:03:22 GMT

hmm........ very difficult to be sure because you don't say which particular TSI engine is in this MY15 mk7 - but purely from the error code - it suggests (to me at least) that the waste gate actuator might need looking-at.

Again, I making a complete guess about the engine in this car but maybe see if the "linkage" in the diagram below moves freely as the engine is revved. The proper way to check freedom of movement is with a compressor (10-20 psi) applied to the air-hose

Don

Last Edit: Oct 9, 2023 22:04:05 GMT by dv52 (Australia)

Please don't ask questions about car coding/repair via the forum "Message" function. The better place for such dialogue is in the forum proper. That way, the wider expertise of the entire forum community can be applied to solve your problem - thank you

ervybaby New Member Posts: 3	Engine noise / turbocharger fault Oct 12, 2023 1:45:11 GMT Quote Select Post Deselect Post Link to Post Back to Top Post by ervybaby on Oct 12, 2023 1:45:11 GMT Engine type is CXBA Here's a better video to hear the noise:

dv52 (Australia) Moderator Posts: 6,062	Engine noise / turbocharger fault Oct 12, 2023 20:40:11 GMT Quote Select Post Deselect Post Link to Post Back to Top Post by dv52 (Australia) on Oct 12, 2023 20:40:11 GMT ervybaby: Yes, it certainly does sound like a problem in the wategate system somewhere - to me!
	Please don't ask questions about car coding/repair via the forum "Message" function. The better place for such dialogue is in the forum proper. That way, the wider expertise of the entire forum community can be applied to solve your problem - thank you

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Engine noise / turbocharger fault

Post by ervybaby on Oct 9, 2023 18:14:39 GMT

Post by dv52 (Australia) on Oct 9, 2023 22:03:22 GMT

Post by ervybaby on Oct 12, 2023 1:45:11 GMT

Post by dv52 (Australia) on Oct 12, 2023 20:40:11 GMT

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