Honda code p1399

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However, it can also be caused by a valve adjustment. Honda vehicles should have their valves adjusted every 50, miles. It is also not uncommon to find a blockage in the EGR system. This is routine maintenance on your Honda, and both services are relatively straightforward. In addition, they will inspect all other systems on your Honda and advise you if they need to be serviced. Therefore, you should know more about the Honda P engine code for the time being. Unlike generic codes, P is a manufacturer-specific trouble code.

Honda code p1399

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. My car starting throwing this code and it's not in this CEL Codes thread. Anybody know what this is? The only thing I've gathered from the is that it's a random cylinder misfire code. My Accord has thrown specific and random mis-fire codes before, p - p, but it has only happened due to the Heat Soak issue. HERE's another thread on the heat soak issue. Outside of a possible spark plug or coil pack issue, I'm not finding any real solid leads on this code.

Valve openings and closings can become irregular when the valves become too tight or too loose.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Status Not open for further replies. Changed the spark plugs and wires then did valve adjustment.

P is a Honda specific diagnostic trouble code. It means that more than one cylinder is misfiring, and is most commonly caused by valves that are out of adjustment, or ignition issues. Since the engine is almost always actually misfiring when P is present, there are almost always noticeable symptoms. Here they are:. Here are the common issues that commonly cause P

Honda code p1399

P is a manufacturer-specific code , not a generic one. It shows up whenever there is a random misfire in the engine. There are possible steps to follow to correct this issue. Check the provided step-by-step guide in this post for a better understanding. P signifies a random cylinder misfire in your Honda. A vehicle experiencing engine misfire most often gives you one or more warning signs.

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July 6, at pm Send a private message to Klasse. June 7, at pm Find More Posts by CCarma. Above RPM, all sputtering and vibrating goes away and power returns like normal. Even better than before the misfire started on Friday last week. I already explained P I know now that P is an alternative code for "random misfire". Anybody know what this is? Compression test wouldn't hurt either. All faulty coils must be replaced or adjusted. My malfunction indicator lamp keeps blinking and will cause the car to not pass the smog-check. What could it be? Two main factors cause P Honda error codes. Recommended Communities.

However, it can also be caused by a valve adjustment. Honda vehicles should have their valves adjusted every 50, miles.

The P may possibly be a result if your engine burns oil. The onboard computer ECM will display an error message when a spark plug is not firing properly in a cylinder. June 7, at pm Where in the world are you located? Yes, I meant I replaced the plenum gasket and the valve gaskets. I cleaned it a few months ago, but I don't think I did a good enough job of that so I want to replace it instead Replace valve cover gaskets. BillSakemiller Replies. Log in. I was hoping that my Accord wouldn't have any issues pop up as I can't spend money on both cars at the same time since money is a bit tight right now. Radiator Cap? Re: misfire problems code p You just need to remove the upper intake cover and check the 6 ports under it. It is especially important to follow this advice if you are not certain of the cause or extent of the damage.