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2021 Audi RSQ8 Quattro (4MN) V8-4.0L Turbo (DHUB) MHEV cold start rough idle
20-11-2025, 22:43 PM,
Post: #3
RE: 2021 Audi RSQ8 Quattro (4MN) V8-4.0L Turbo (DHUB) MHEV cold start rough idle
(20-11-2025, 21:28 PM)al70 Wrote:  few possible causes, wrong oil used during 5ёяvїcё, blocked oil filter, oil pressure sensor and worse case oil pump is failing, i'd get this sorted quick, on cold start,turbo is most likely not getting oil

thank you so much brother is the causes the rough idle too for like one minute on the cold start
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RE: 2021 Audi RSQ8 Quattro (4MN) V8-4.0L Turbo (DHUB) MHEV cold start rough idle - by iyade46 - 20-11-2025, 22:43 PM

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