X15 down on fuel economy recently?

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X15 down on fuel economy recently?

10-09-2023, (Subject: X15 down on fuel economy recently? )

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marek4792 Offline

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RE: X15 down on fuel economy recently?

More than likely, if this is bearing wear at 500-600k miles with 12-15k oil change intervals using Mobil delvac 15w40 conventional. I don't even want to know how with extended oil changes would look..

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X15 down on fuel economy recently? - marek4792 - 08-26-2023,

RE: X15 down on fuel economy recently? - Rawze - 08-27-2023,

RE: X15 down on fuel economy recently? - JimT - 08-27-2023,

RE: X15 down on fuel economy recently? - marek4792 - 08-27-2023,

RE: X15 down on fuel economy recently? - Nilao - 08-27-2023,

RE: X15 down on fuel economy recently? - marek4792 - 09-06-2023,

RE: X15 down on fuel economy recently? - Rawze - 09-07-2023,

RE: X15 down on fuel economy recently? - marek4792 - 10-08-2023,

RE: X15 down on fuel economy recently? - tree98 - 10-09-2023,

RE: X15 down on fuel economy recently? - marek4792 - 10-09-2023

RE: X15 down on fuel economy recently? - tree98 - 10-09-2023,

RE: X15 down on fuel economy recently? - marek4792 - 11-07-2023,

RE: X15 down on fuel economy recently? - tree98 - 11-08-2023,

RE: X15 down on fuel economy recently? - Rawze - 11-08-2023,

RE: X15 down on fuel economy recently? - marek4792 - 11-08-2023,

RE: X15 down on fuel economy recently? - marek4792 - 11-11-2023,

RE: X15 down on fuel economy recently? - Rawze - 11-12-2023,

RE: X15 down on fuel economy recently? - marek4792 - 11-15-2023,

RE: X15 down on fuel economy recently? - marek4792 - 11-09-2024,

RE: X15 down on fuel economy recently? - Rawze - 11-09-2024,

RE: X15 down on fuel economy recently? - marek4792 - 11-09-2024,

RE: X15 down on fuel economy recently? - Rawze - 11-10-2024,

RE: X15 down on fuel economy recently? - marek4792 - 11-21-2024,

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