Honda code p1399

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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?

Honda code p1399

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. But after the adjustment the light was blinking. Before it was just steady. Sort by Oldest first Oldest first Newest first Most reactions. Where in the world are you located?

After all the repairs the codes cleared, honda code p1399. I had this code p problem and it was indeed a cylinder misfire. Also, when I shut my engine off and restart it, the starter sounds like it misses a compression stroke since it whines faster so I'm thinking it's a compression problem

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.

Honda Vehicle Guide. Owners of Honda vehicles occasionally report encountering a troubling P code. What does it signify, and how can you address it? The P code is exclusive to Honda vehicles, making it a manufacturer-specific anomaly. The crankshaft position CKP sensor plays an instrumental role here. Essentially, this sensor oversees the rotational speed and stance of the crankshaft, which is directly linked to the pistons and cylinders. Reacting to this, the ECM establishes the P code and, as a consequence, the check engine light illuminates. A notable aspect of the P code is its non-specific nature.

Honda code p1399

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 They are valves that are out of adjustment and ignition issues.

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Last month I went ahead and systematically adjusted all the valves, changed the valve gaskets, changed the plugs and the car now runs like new. I change that plug a lot so I'm guessing maybe the oil rings are shot in that cylinder causing carbon build up and valve seating problems Additionally, the coil pack for this same plug appears to have had some thick orange build up gone on as i had to sand down the buildup. Sign up. Engine code reading? Send a private message to CCarma. Leave a Reply Cancel reply Your email address will not be published. If the situation changes, always try to solve these other codes. Find out if one or more ignition coils are causing the misfire. Bad radiator? And if not check the valve clearance and adjust. Will getting this TLC done on my Accord fix this new P issue or could it be caused by something else? You really need to apply some TLC to your car. Yes, I meant I replaced the plenum gasket and the valve gaskets.

Honda Vehicle Guide. They can lead to a range of issues from your car stuttering on the highway to it guzzling more gas than usual. So, what does the P code really mean?

Sign up. I pull my spark plugs a lot and find carbon and crud built up only on my cylinder 4 spark plug while cylinder are normal. The severity and frequency of the misfire will determine whether it is intermittent or constant. Send a private message to CCarma. The EGR valve can also get clogged with carbon deposits that can make it sticky so it cant close. Of course that takes us back to the valve adjustment, and possibly a burnt melted exhaust valve. The swaying idle may likely be a bad IAC valve. Many factors can cause a random misfire. I was at a stop light the other day and dropped a coil pack. Two main factors cause P Honda error codes.