Nissan dtc p0303

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Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Hopefully someone can help me save a bit of money here. I have a Nissan Sentra with only aboout 50K miles on it.

Nissan dtc p0303

However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away. So you should chech it on our car models. Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage. Parts or components should not be replaced with reference to only a P DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. Code Search Please fill the "Code Box" to find engine fault code. Ways to read engine trouble codes.

So they did their scan too and told me the same thing, P and suggested changing the coil and stuff for Cylinder 3.

Last Updated: January 26, Fact Checked. This article was co-authored by wikiHow staff writer, Eric McClure. Eric McClure is an editing fellow at wikiHow where he has been editing, researching, and creating content since There are 8 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 21, times. Learn more

Advertiser Disclosure. Your vehicle moves when gasoline is burned and power is generated inside a chamber known as the cylinder. Most engines have a 4, 6, or 8-cylinder engine, where more cylinders typically mean more power. Power is generated by pistons that move up and down while fuel is ignited at very specific times. A misfire typically occurs when the timing of this ignition is off. P indicates that cylinder number 3 is experiencing misfires. Cylinder 3 misfires can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure. With a misfire fault, the first step is to get it diagnosed to figure out what is causing the engine to misfire.

Nissan dtc p0303

P is a real drivability concern and should be dealt with right away. Repairing P should be considered a high priority. The most common repair for P is changing the spark plugs. Before you can diagnose P in your car, you need to find the third cylinder. On inline engines, the third cylinder will usually be the three in from the engine accessories.

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The Valve cover gasket is another thing that goes but it is really easy to replace so don't be to scared of tackling that one at all. I get Mass Airflow sensor as answer. Kinda I did resolve my issue Checking your timing chain for damage and replacing it if necessary. In August my SES light came on and stayed on for a few days. Sign up. Categories: Car Safety and Security. My car is acting the exact same way, it is a Nissan Sentra with , miles on it that runs great otherwise. In any case, this is major sign something is wrong with your vehicle. Top Contributors this Month View All. For a few weeks. I have a 95 sx with the 1. I have done tune-up and it was gone for few months.

Last Updated: January 26, Fact Checked. This article was co-authored by wikiHow staff writer, Eric McClure. Eric McClure is an editing fellow at wikiHow where he has been editing, researching, and creating content since

I am also having the same symptoms and getting the P code. For a few weeks. Plus wouldn't the MAF cause the entire engine to run rough not just cylinder 3? It could be something as stupid as an injector plug not fully seated onto the injector causing an intermittent miss. They said Fuel Air sensor. Featured Articles How to. I think I'm going to change plugs and use the Nissan dealership plugs and then go from there. So I bought new spark plugs and had them changed. LOL Since I don't even have a 7th cylinder it was a bit easier to figure out I was likely getting some false codes here. Do you have a question about how to diagnose or fix a problem with your car? This is an older thread, you may not receive a response, and could be reviving an old thread. RTV was used in place of gaskets on the oil pan and rear crankshaft seal plate, timing chain covers and distributor bridge. You should also check that the spark plug gap is set properly.