What is the solution for high idle speed in the 7th generation Accord?

[VanGianna]

You can clean the throttle body and engine carbon deposits to solve the problem. Here are the relevant introductions: 1. Accord: The Accord (Accord), a practitioner of Honda's innovative spirit and global leading technology, has a global history of 38 years. The original tires of the Accord are Michelin ultra-high-performance sports tires Pilot-Super-Sport. On April 16, 2018, the all-new generation Honda Accord, also known as the 10th generation Honda Accord, was officially launched in China. 2. Throttle body: The throttle body is a controllable valve that regulates the air entering the engine. After the air enters the intake pipe, it mixes with gasoline to form a combustible mixture, which then burns to perform work. It connects to the air filter above and the engine block below, and is known as the throat of the car engine.

[MacTalia]

I've encountered the same issue before. My 7th-gen Accord suddenly had high idle speed, and after inspection, it turned out the throttle body was dirty with excessive carbon buildup causing inaccurate opening control. The solution is quite simple: first, take it to a professional shop for throttle body cleaning, which costs a few hundred bucks. If the idle remains high after cleaning, check sensors like the throttle position sensor or idle control valve—ensure connections are secure or replace faulty parts. Personally, I regularly use fuel additives to clean carbon deposits as a preventive measure. Another key point: use an OBD scanner to read trouble codes—sometimes the ECU needs resetting to relearn idle settings. Avoid random adjustments to prevent mishandling. Also, avoid frequent short trips; occasional highway driving helps reduce carbon buildup. In short, don’t ignore high idle—it wastes fuel and may affect engine lifespan. Safety first, get it checked ASAP.

[Emman]

With over 20 years of driving experience, I've found that high idle speed in seventh-generation Accords is quite common, with the core solution lying in addressing intake and control system issues. The first step is to clean carbon deposits, especially around the throttle body and air filter, using professional cleaning agents for thorough wiping. The second step involves checking sensor wiring for corrosion or looseness—for instance, replacing the idle speed control valve if it's faulty. Once, my ECU settings got messed up, but disconnecting the battery for a few minutes before restarting fixed it. For prevention, I recommend inspecting the air filter and changing the engine oil every 10,000 kilometers, as excessive carbon buildup accelerates component wear. High idle speed not only increases fuel consumption but can also cause severe shaking or even stalling at red lights, posing significant safety risks. It's best to get a comprehensive diagnosis at a 4S shop, where they have specialized tools to troubleshoot complex issues. Don't push your luck trying to fix it yourself—spending a little now can save you from major repairs later.

[DerekRose]

As a young car enthusiast who frequently modifies vehicles, dealing with high idle speed in a 7th-gen Accord isn't overly complicated. For throttle body cleaning, I highly recommend the DIY approach - just use a soft cloth and cleaning spray to gently wipe away grime. There are plenty of online tutorials that make it easy to learn. Check that sensor connections are secure and ensure the idle air control valve is properly adjusted. High idle often results from carbon buildup due to prolonged low-speed driving, so regular highway runs can help. From a safety perspective, high idle affects acceleration response and can be annoying when stationary. If you lack tools, just visit an auto shop and pay to get it sorted.