Unrelated but where did you mount your added transmission cooler? So that was 2 bad parts from Rock Auto!? Here are the most common problems that may cause it. Learn more about the 2005 Nissan Pathfinder. ... P0300 Nissan - Cylinder Misfire Detected Random Cylinders. There is spark on that side and compression seems ok. These particular codes indicate that there is a misfire in cylinder’s one, two, and three respectively. Cylinder 6 Misfire Detected. Your mechanic is correct the P0300 code is set when there is a multiple misfire, without knowing the cause, but the P1320 is more specific to the ignition coils. If the fuel pressure is in spec, then you know that there's no sense in doing anything with the fuel pump module or any of its individual parts, like the filter. Administrator at TheNissanPath.com and Moderator at NissanForums.com. Do ohm reading cold and hot. easy thing to do is swap the 3 and 5 coils and see if cylinder 3 misfires.if it does, the coil is bad. Hey everyone, checking in with an update. You may smell raw gas coming from the tailpipe. If it's shuddering at idle, then the misfire isn't just under load. Unlike a lot of the OBDII codes, this code has to do directly with engine combustion. Does not look like your situation though since you let it sit for awhile after the codes started. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring. Most of the time one of those three things will end up being the problem. The efficient burning of fuel is essential to engine operation as the combustion of fuel is what provides the energy to power the engine in your Nissan. Get KBB Fair Purchase Price, MSRP, and dealer invoice price for the 2005 Nissan Pathfinder SE Sport Utility 4D. I ended up replacing water pump as well while tracking that back down. Nissan Pathfinder P0300 Definition P0300 is a general and random misfire code, which means that the code is not going to tell you which cylinder is causing the misfire. Fixing the problem causing the code to fire can save you time and money and keep your Nissan Pathfinder from breaking down. nissan. Chat with like-minded Frontier owners. 2002-2006 Nissan Altima Discussion (2.5 & 3.5) General Nissan Altima Discussion (1993-2001) Parts For Sale - FS 2007-2012 Nissan Altima Discussion (2.5 & 3.5) Engine Performance (2002-2006) Recommended Communities If there is anything that you would like to add please leave a comment below. See pricing for the Used 2005 Nissan Pathfinder SE Sport Utility 4D. Nissan Pathfinder P0305 Definition P0305 is a cylinder specific misfire code, which means that Cylinder 5 is misfiring and causing it. There are links above that’ll show you how to do that. This vehicle runs like crap. Mileage may suffer as well when your Pathfinder has P0305 as well. Administrator at TheNissanPath.com and Moderator at NissanForums.com. I had a lawyer send Nissan a letter and hopefully the will try to get it fixed. Retired (2003), 16-year, former Nissan/ASE Master Tech. It depends on how serious the misfire is. If the fuel pressure is below spec, then you know you have an issue inside of the fuel tank, as the pump, filter and pressure regulator are all part of the fuel pump module. Nissan code P0300 indicates that one or more cylinders are experiencing misfires. P0305 is a cylinder specific misfire code, which means that Cylinder 5 is misfiring and causing it. Good riddance. Hey everyone, I've got an '06 Xterra with 92,000 miles on it. Just a wild guess - but has the fuel filter ever been replaced? After that, Go ahead and replace them or have them tested. Posted to Asian Driveability on 2/9/2013 16 Replies. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring. I had a P0300 code when I cracked an O2 sensor. OBD-II Trouble Code Description for P0304 Nissan. Description. Do this. On top of low prices, Advance Auto Parts offers 7 different trusted brands of Ignition Coil products for the 2005 Nissan Pathfinder. If the engine speed fluctuates enough to cause the crankshaft position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is occurring. and when I check it there is nothing there Something is causing cylinders to misfire at random, which is a lot less cut and dry than a cylinder specific misfire code. Work as a `` guess, '' it would make more sense to check the fuel tank, next... Most likely the injector I had a lawyer send Nissan a letter and hopefully will. 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