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2022 Volvo XC90 — hybrid fuel economy dropped with no warning light — New Jersey / update

WeekendTunerCommunity StarterMar 15, 20262022 Volvo XC90 RechargeNew Jersey
Same commute and driver, but average MPG is down noticeably. Tires are properly inflated. What hybrid-specific data would you inspect before blaming the high-voltage battery? I would rather test this logically than replace parts. Mileage is about 18,000.
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3 replies

HighwayScout41Community StarterCommunity StarterMar 16, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2022 Volvo XC90, a specialist hour can be cheaper than another round of parts. Then you'll know the next fork. If they can't show the line item, I assume it's hiding. I'm in no rush to be a hero on it.
RoadTripMechanicish788Community StarterCommunity StarterMar 16, 2026permalink
Owner notes beat generic advice here. On the 2022 Volvo XC90 in New Jersey, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “hybrid fuel economy dropped with no warning,” that was the fork that mattered for me. This is from a 2022 Volvo XC90 in New Jersey. Do that first. Climate here is different, so treat that as a local data point. That's my plan before I call anyone.
DetailScout4Community StarterCommunity StarterMar 16, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2022 Volvo XC90 before a big repair or a big spend. I'd do that before spending real money. Run the total, not the monthly, before you commit. I've seen both outcomes, which is why I'd test instead of assume. Doing the boring step first on purpose.
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