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2021 Audi RSQ8 Quattro (4MN) V8-4.0L Turbo (DHUB) MHEV cold start rough idle
20-11-2025, 21:28 PM,
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al70 Online
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RE: 2021 Audi RSQ8 Quattro (4MN) V8-4.0L Turbo (DHUB) MHEV cold start rough idle
few possible causes, wrong oil used during service, 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
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RE: 2021 Audi RSQ8 Quattro (4MN) V8-4.0L Turbo (DHUB) MHEV cold start rough idle - by al70 - 20-11-2025, 21:28 PM

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