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But your English is otherwise very clear to me. I am not sure what you mean by engine winding. As soon as the throttle is turned, the idle will hang at 2200+ rpms. #HONDA CIVIC IDLE RPM MANUAL MANUAL#If the distributor shaft has any side-to-side play, that’s not a good thing.īlockage of the cat would prevent the engine from running at high speed. 2004-2006 Honda TRX350TE/TM/FE/FM Rancher service manual Submitter Admin Submitted. If the problems arise only when the engine is hot, that’s a clue one is failing. The ignition control module and coil are inside the distributor. #HONDA CIVIC IDLE RPM MANUAL PLUS#That plus running fresh fuel and sea foam may fix it. I used a rag and toothbrush and sensor-safe solvent. The idle speed/fuel consumption problem might be helped by cleaning the throttle body. I have adjusted the valve lash every 36,000 miles or so, along with spark plug change, and there are always a few that have drifted out of spec. Check basic things like using factory-specified spark plugs, cleaning or replacing distributor cap and rotor, changing fuel filter, etc. I have a 1999 Civic EX that is unchanged except for maintenance, repairs and aging. Can you tell what, if any, changes have been made to its original factory equipment? That kind of tinkering can introduce problems. A qualified technician will let you know if there are any underlying issues that should be addressed.Many of Honda coupes from this era have been subjected to “performance enhancing” modifications over the years. However, if you are truly concerned for the well-being of your vehicle, then you can take it to a service center to get it checked by a professional. It will likely decrease within a few minutes. Ultimately, there is no reason to freak out when you see your car with a high RPM as soon as you start your vehicle in cold weather. Other culprits for why this occurs include: This could be an indicator that you have a vacuum leak inside your vehicle, which needs to be addressed, as it could lead to internal damage within the engine. 5.Let the engine idle for about 5 minutes with the throttle fully closed. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan comes on, or until the engine coolant temperature reaches 194 ☏ (90 ☌). However, if your car starts high and remains that way throughout the remainder of your commute, then that is cause for concern. 3.Turn the ignition switch to ON (II), and wait 2 seconds. If your car starts at a high RPM and then goes down when you are actually driving, you have no reason to worry. You should not be concerned if your car jumps up to 1500 RPM and then shortly afterward goes back down to a normal 800 RPM. It is simply something your car needs to do so that it can start properly. You have absolutely no reason to fear if your vehicle produces a higher RPM in cold weather. #HONDA CIVIC IDLE RPM MANUAL DRIVERS#As soon as the vehicle turns on, the RPM goes back to normal, but that initial bump in RPM speed can take some drivers by surprise. ![]() Another thing I noticed was that the AFR also dropped from being at 14.7-15-6 to 17.2-20.0 when on idle. Therefore, the vehicle overcompensates for this by producing a higher RPM initially to move gasoline more quickly. Also, It´s been about two times that I´ve had to adjust the idle screw so I can raise up the rpms because the first time the idle dropped to about 400 rpms at idle. In colder temperatures, fuel is more likely to get bogged down and thicken. Gasoline vaporizes much more easily in warmer temperatures to get that spark. This spark is only possible if fuel and air are combined with the right timing and proper ratio. ![]() Your car is able to start because gasoline and air are coming together to form a spark. High RPMs in the cold is a result of combustion taking place in the engine. Fortunately, there is a simple answer for why this phenomenon occurs. This can be troubling to see simply because it is out of the ordinary. And, ' The devil finds work for idle hands, ' says an even older proverb. One cause for concern many drivers have during winter is seeing their vehicles have a high RPM when starting the car. Working requires latitude to change speed, rhythm, and attention span. ![]()
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