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What is the reason why the Odyssey cannot accelerate quickly and feels sluggish?

4 Answers
Adriel
07/29/25 9:59am
The Odyssey's inability to accelerate quickly and feeling sluggish may be caused by excessive carbon buildup in the engine leading to insufficient power. It is recommended to check whether the vehicle's spark plugs need replacement and whether the throttle needs cleaning. More details about the Odyssey are as follows: Body dimensions: The Odyssey measures 4847mm in length, 1820mm in width, and 1702mm in height, with a wheelbase of 2900mm. The 4847mm body makes the car look quite elongated, with smooth and elegant lines, while the irregular waistline design adds a youthful and fashionable touch. The air intakes on both sides below the front bumper also feature a new design, enhancing the visual appeal. Exterior: The Odyssey Hybrid adopts the front face and sporty body kit of the Japanese-spec Odyssey Absolute version. The larger grille area gives it a stronger presence, and the dark gold chrome trim appears more luxurious and refined compared to the previous bright chrome. The Japanese-spec sporty body kit gives the Odyssey a distinct character, with more exaggerated front and rear bumpers. This dynamic styling is also why it appears less business-oriented, and the chrome trim that almost wraps around the bottom of the car gives it a lower visual center of gravity.
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ElizaDella
08/13/25 12:27pm
When I used to drive an Odyssey, I also encountered the problem of the car making a muffled sound and lacking power during sudden acceleration, feeling like dragging a big rock. Usually, the issue lies in the fuel system, such as a clogged fuel filter or an aging fuel pump, leading to insufficient fuel pressure and uneven fuel injection, causing the engine to lack adequate power. Alternatively, a dirty air filter can restrict airflow, resulting in incomplete combustion and naturally weaker power. I've also experienced worn-out spark plugs with low ignition efficiency, causing the car to stall when stepping on the accelerator. Once, during a highway drive, the car felt sluggish, and a check at the repair shop revealed a clogged exhaust system, with the catalytic converter accumulating too much debris, blocking the exhaust flow. I recommend paying attention to regular maintenance, replacing the air and fuel filters periodically, and checking every 10,000 kilometers. Fuel quality is also crucial—using low-grade fuel can easily lead to carbon buildup and worsen the problem. In short, most of these faults stem from fuel, air, or ignition issues. Addressing them promptly can save trouble and ensure safety—don't wait until something goes wrong to regret it.
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LeHenry
10/07/25 2:22am
As a hands-on car owner, I noticed my Odyssey feels sluggish and struggles during hard acceleration. Possible causes include worn spark plugs failing to ignite properly, or a clogged air filter restricting airflow. A blocked catalytic converter in the exhaust system could also create backpressure. My usual troubleshooting steps: pop the hood to inspect the air filter, try resetting the ECU by disconnecting the battery for 30 seconds (sometimes clears minor glitches). If that fails, check ignition voltage with a multimeter – but be cautious of short circuits. However, DIY repairs carry risks; professional diagnostics are safer to avoid mistakes. A faulty fuel pump relay might cause unstable fuel pressure too. Additionally, carbon buildup in fuel injectors reduces spray efficiency – regular fuel system cleaners help prevent this. Always prioritize safety; small issues can escalate if handled improperly.
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VanCamilla
11/20/25 3:45am
Recently, when I accelerated hard in my Odyssey, it felt sluggish and unresponsive, lacking power. It might be due to a faulty oxygen sensor sending incorrect signals, causing the ECU to adjust the fuel injection improperly. Or, there could be excessive carbon buildup on the intake valves, leading to insufficient air-fuel mixture and poor combustion. Poor fuel quality with more impurities can accelerate these issues. I often remind myself to use higher-octane fuel at gas stations to reduce the risk of knocking. The loud noise and weak power during hard acceleration are quite annoying. It's better to go to the shop for a comprehensive check-up to avoid affecting daily driving.
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