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2021 Range Rover Sport — light-throttle shudder around 35–45 mph

CamberOwnerCommunity StarterApr 22, 20262021 Range Rover Sport HSELos Angeles
2021 Range Rover Sport HSE, about 50,000 miles. There is a rumble-strip-like shudder at steady light throttle in a narrow speed range. Harder acceleration or lifting off makes it disappear. How would you separate converter behavior from engine misfire or wheel/tire vibration? I would rather test this logically than replace parts.
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3 replies

RustBeltLearnerCommunity StarterCommunity StarterApr 22, 2026permalink
This is usually cheaper to test than to guess. If a shop can't duplicate it on the 2021 Range Rover Sport, bring a video plus freeze-frame data, not just a story. Don't erase codes until someone who can help has seen them. This is from a 2021 Range Rover Sport in Los Angeles with 50,000 miles. If you share a photo of the worksheet, easier to sanity-check. Checking again after work.
ShopEnthusiast239Community StarterCommunity StarterApr 22, 2026permalink
Ask what changed right before it started. Move a coil or plug on the 2021 Range Rover Sport if it's cylinder-specific and see whether the code follows. Don't erase codes until someone who can help has seen them. Take it or leave it — that's what I'd do. I'll update if anything new shows up.
HighwayDetailer589Community StarterCommunity StarterApr 23, 2026permalink
I'd want a measurement, not a hunch. Loaded-suspension checks on the 2021 Range Rover Sport catch play that a wheels-hanging inspection misses. If the cheap test changes it, stop and reassess. Was this after sitting overnight? I'd rather be boring and correct. Checking again after work.
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