You can replace them one at a time, but the next one failing is always close by. Kinda bad can turn downright horrible quick if an O2 is seized in its bung. Here are the most common problems that will throw the code. Car idles and revs fine while in park. Nissans are cluttered and a little too happy with hold down brackets and tabs for my taste. anyone tell me how many o2 sensors this car has? Car has 152,000 miles. What is the cost to diagnose the P0301 2005 NISSAN MAXIMA code Labor: 1.0 The cost to diagnose the P0301 2005 NISSAN MAXIMA code is 1.0 hour of labor. I have a P0300 multiple misfire code present. Top. thanks much. The cost of diagnosing the P0301 2007 NISSAN MAXIMA code is 1.0 hour of labor. Nissan maxima p0300 code ? Print view; 13 posts • Page 1 of 1. Possible Symptoms. Most auto repairs shops charge between $75 and $150 per hour. See if this helps, P0300 troubleshooting starts on page 302, http://www.nicoclub.com/FSM/Maxima/2003/ec.pdf. Besides the random misfire, what other code(s) are you exactly getting? Most auto repairs shops charge between $75 and $150 per hour. I suspect something with the security Nats system, computer, anti theft e … P0306 is a fairly common trouble code with the Nissan Maxima.It’s and OBD2 code and stands for:. I also have a gen 5.5 Maxima. Faulty oxygen sensor(s) 4. I have a 2003 Maxima 3.5L that has a 300 code (random misfire) and it does so very intermittently. He said the plugs had been replaced. Dies it run worse? Faulty spark plugs or wires 2. If the O2 is misreporting oxygen content, it could be causing the PCM to lean out the fuel mix to a point a cylinder doesn’t get enough fuel to fire. Can you feel any misfiring and is it constant, erratic, or something in between? The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. When it’s not glaringly obvious what is wrong, a tune up is a great place to start. 2003 maxima Se I get a hesitation and rough idle maybe once per tank. The club for Nissan Maxima and Infiniti I30 / I35 owners, and the official home of Maxima Club of America! If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes" What is the cost to diagnose the P0300 2006 NISSAN MAXIMA code Labor: 1.0 The cost to diagnose the P0300 2006 NISSAN MAXIMA code is 1.0 hour of labor. I still have the check engine flashing sometimes, I get what feels like miss firing and rough idle. The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Joined: Mon Nov 10, 2003 10:43 am Car: 02 Maxima SE 6spd Location: Kentucky. In todays video we explore the cause for code P0300 multiple misfire. Faulty coil (pack) 3. 2003 Maxima p0300 random misfire code and more. There is a p0300 code. I suggest getting a new set of them and doing all at once. It depends on how serious the misfire is. How is the car actually running and what, specifically, are the other codes? It’s been a while, but I’ve done all of them on at least one 3.5 Nissan and two weren’t so bad and the other two were kinda bad. What can be the problem? It has 145K mi. I got some code that made it seem the o2 sensor in bank 2 might be the problem. Replacing the bad ones will extend your mileage and the lifespan of the catalytic converters. They are presented somewhat in order from most to least likely to be causing the code: A lot of the time, P0300 is going to be fixed by something obvious, such as an EGR leak. However, sometimes an O2 code means that the O2 sensor is reporting that there’s another problem at hand. Then there’s rust. Don’t throw parts at it is the moral of the story. maxima p0300 p0021 - Nissan 2006 Altima question. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2003 Maxima p0300 random misfire code and more. The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. 2004 Nissan maxima New 2nd engine I had … Lesson for this video, never diagnose without a visual inspection. Creator. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. P0301 is a common OBDII trouble code that appears in the Nissan Maxima. OBD II fault code P0300 is a generic code that is defined as “ Random/Multiple Cylinder Misfire Detected”, and is set when the PCM (Powertrain Control Module) detects either randomly misfiring cylinders, or misfires on multiple cylinders.. All modern applications employ highly sophisticated circuits whose sole purpose is to detect misfires. my question is, will a bad o2 sensor cause random misfire in this 2003 nissan maxima? What Does Code P0300 Mean? When driving it clatters and looses power it you give it more than 25% throttle. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much more simple than P0300, which means that the cylinders are randomly misfiring. Faulty catalytic converter(s) 7. A bad O2 sensor could cause a random misfire. Plugs have been replaced. Privacy | Terms of Service | Website Disclaimer | Terms of Sale & Return Policy. If the problem persists more tests need to be done to diagnose the problem, see "Possible Causes". There is a p0300 code. When diagnosing a P0300 code, it is important to record the freeze frame information and then duplicate the code setting conditions with a test drive. Subscribe Today & Become A Member of the ETCG Community. Defective computer It stands for: P0302 is certainly a cause for concern, and can be a threat to the drivability the Nissan Maxima. (Ashvin) Quote; Post by maxhopper » Fri May 08, 2009 9:09 am . Faulty fuel injector(s) 5. I replaced all the plugs and the coil on the plug that was black. Re: 00 maxima P0300 code, Random multiple misfire, please help! I replaced all the plugs and the coil on the plug that was black. Something is causing cylinders to misfire at random, which is a lot less cut and dry than a cylinder specific misfire code. Multiple Codes 2003 Nissan Maxima GLE September 25, 2017 Bob Warden Jr. Off Auto Repair Questions, Nissan, Multiple Codes. I still have the check engine flashing so … read more Maxima P0300 OBDII Code Symptoms I replaced spark plugs which stopped engine shake. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Nissan Patrol P0300: Engine Misfire Detected, Nissan Micra P0300: Engine Misfire Detected, Chevy Impala: Brake Lights Stuck On → Diagnosis. The nice thing about P0303 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, which means that the cylinders are randomly misfiring. I have installed a new maf sensor, all 6 injectors, replaced all 6 ignition coils off another known good vehicle, ngk o … read more What would the most likely reason be for this particular ca OBDII Scanner: [amazon link=”B01G5EA74I”/], Fuel Pressure Tester: [amazon link=”B0009XQUKC”/], Leak Down Tester: [amazon link=”B0030EVL60″/], Combustion Leak Tester: [amazon link=”B06VVBSFTF”/]. He had it scanned at autozone and it showed p0300 and p1320. This makes diagnosing the problems simpler than P0300, which means that the cylinders are randomly misfiring. 2003 nissan maxima v6 We just had a key made a lock smith shop, and now we have p0162, p01610 and p1800 and there is no spark. Stuck/blocked/leaking EGR valve / passages 8. This topic contains 4 replies, has 5 voices, and was last updated by  Sal 5 years, 1 month ago. The auto repair labor rates vary widely across the country, and even within the same city. Something is causing cylinders to misfire at random, which is a lot less cut and dry than a cylinder specific misfire code. There are quite a few things that can cause the P0300 trouble code to trigger in the Nissan Maxima. Most auto repairs shops charge between $75 and $150 per hour. Faulty camshaft position sensor 9. This topic contains 4 replies, has 5 voices, and was last updated by Sal 5 years, 1 month ago. It stands for: P0301 should be considered a cause for concern, and can be a threat to the drivability your Maxima. You must be logged in to reply to this topic. How many miles do you have? Replacing the spark plugs, coil packs, and plug wires is not typically difficult or costly. Most auto repairs shops charge between $75 and $150 per hour. P0302 is a relatively common Nissan Maxima trouble code. P0306 is certainly a cause for concern, and should be considered a threat to the drivability your Maxima. Burned exhaust valve 6. Quote; Post by Rohanmax14 » Sat May 15, 2010 6:55 pm . It stands for: P0300 is certainly a cause for concern, and can be a threat to the drivability the Nissan Maxima. Pay close attention to the engine load, throttle position, RPM, and road speed because a P0300 (which is a specific misfire) can sometimes be difficult to detect. What does this mean? If no leak is found the next step is to replace the spark plugs. Fixing the problem causing the code to fire can save you time and money and keep your Nissan from breaking down. Replacing the O2, in this instance, is a case of shooting the messenger. Please help. P0300 is one of the most common OBDII codes that occurs in the Nissan Maxima. How To fIx P0300 P0011 P0021. Hi all, I’m not any kind of technician, but I’m real good with the bolts springs and gaskets bit. If no leak is found the next step is to replace the spark plugs. P0300 is cause for concern and left unfixed can get worse. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. P0300 is serious enough that you should take your vehicle in to have it looked at if you don’t know what you’re doing under the hood, but if you do, here are the recommended tools for getting the job done. If you have P0300 and one of these other codes, the cylinder indicated by these cylinder specific codes would be where to start looking for your problem. Rohanmax14 Posts: 106 Joined: Tue Jun 09, 2009 8:53 pm Car: 2004 nissan maxima. The P0300 Nissan trouble code will trigger the Maxima’s service engine soon light. A code P0300 may mean that one or more of the following has happened: 1. This 2003 Nissan Altima misfire diagnosis. How to Fix a Random Engine Misfire in Your Car (Code P0300) Do this one at a time on all coils until you undo one that causes no major change, that is the bad coil. 2003 maxima Se I get a hesitation and rough idle maybe once per tank. This can be as simple as the wrong type of oil, too little oil, dirty old oil. Start by checking for intake leaks, intake gaskets are commonly caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs. 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. Clicking this will make more experts see the question and we will remind you when it gets answered. It will often be accompanied by codes P0301, P0302, etc…. Engine Cylinder 1 is misfiring. Basicly, unplug the connector for one coil. These particular codes also indicate that there is a misfire detected, but they specify the cylinder it is taking place in. Cost of diagnosing the P0300 2003 NISSAN ALTIMA SEDAN code Labor: 1.0 The cost of diagnosing the P0300 2003 NISSAN ALTIMA SEDAN code is 1.0 hour of labor. It will often be accompanied by codes P0301-P0308. 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. P0300 ramdom multiple cyclinder misfire. My car check engine light is on and the engine was shaking real bad. What Does Nissan P0300 Mean? This is a thread from the Maxima forums about a P0300 error. The one nice thing about P0301 is that it is a cylinder specific misfire code. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. We earn on qualifying purchases from this website through Amazon Associates and other Affiliate Programs. Your car does have 4 o2 sensors. Ashvin Posts: 19 Joined: Tue Jan 23, 2007 5:17 pm. Start by checking for intake leaks, intake gaskets are commonly caused of multi-cylinder misfiring. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2003 Maxima p0300 random misfire code and more. That’s always a wild card with any O2 sensors. There is no real way that a failing o2 sensor can cause only one cylinder to misfire. Eric does have vids on testing bad coils. You’ve got at least four O2 sensors. When is the code detected? © 2020 EricTheCarGuy All Rights Reserved - Website Design by Caveni, Viewing 4 replies - 1 through 4 (of 4 total), 2003 Maxima p0300 random misfire code and more, © 2020 EricTheCarGuy All Rights Reserved -, Service and Repair Questions Answered Here. Nissan Maxima 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. Nissan P0300 DTC Description: When a misfire occurs, engine speed will fluctuate. Post Reply . The auto repair labor rates vary widely across the country, and even within the same city. Check here zerothread/230317 If that doesn't address your problem take it back where you had the head work done. Participant. If yes, then that coil is good. In my experience with many Nissans, the ignition coils start to go bad. and how hard to replace? The auto repair labor rates vary widely across the country, and even within the same city. I have a 2002 Nissan Maxima 3.5v6. The nice thing about it is that the P0302 has tracked the problem to a particular cylinder, which makes diagnosing the problems simpler than P0300, which means that the cylinders are randomly misfiring. Changing the O2 might not fix it and then you’re moving on to looking at a bad MAF sensor or a plugged injector or a vacuum leak, etc… and on and on. Lets say the engine is already running lean. I took it to Firestone and they did a diagnostic on it and it gave them the following codes:P0420- CATALYST EFFICIENCY … P0303 should not be ignored, and can be a threat to the drivability the Nissan Maxima. Most auto repairs shops charge between $75 and $150 per hour. How hard they are to replace varies from car to car as well as depends on your resources. 2001 Nissan Maxima V6 Running bad One of my friends is trying to see what all might be wrong with his sons car. I do not really want to get involved with the car. The vehicle itself may begin to run rough. A misfire occurs when an insufficient amount of fuel is burning in a cylinder. Nissan code P0300 indicates that one or more cylinders are experiencing misfires. 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. We recommend Torque Pro. Depending on the miles, take a look at your MAF, plugs and coils. Good luck diagnosing P0300 in your Nissan Maxima! Nissan maxima P0303 code - Answered by a verified Nissan Mechanic We use cookies to give you the best possible experience on our website. What is the cost to diagnose the P0300 2003 NISSAN SENTRA code Labor: 1.0 The cost to diagnose the P0300 2003 NISSAN SENTRA code is 1.0 hour of labor. But the engine light is still on. Topic November 16, 2015 at 9:47 pm #844698. william. The vehicle may produce excess vibration, especially at lower RPM conditions. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Breaking down than P0300, which means that the cylinders are experiencing misfires P0300... 'S make and model, and even your engine type gaskets are common caused multi-cylinder. Cause for concern, and can be a threat to the drivability the Nissan Maxima.It s. Had it scanned at autozone and it showed P0300 and p1320 and even your engine type will fluctuate from. Page 1 of 1 $ 150 per hour is one of the catalytic converters once per tank ignition start... Concern and left unfixed can get worse the cylinders are randomly misfiring Tue Jun 09, 8:53. Is randomly misfiring Amazon Associates and other Affiliate Programs car: 2004 Nissan Maxima one more. Topic contains 4 replies, has 5 voices, and was last updated by Sal 5 years, month... Still have the check engine flashing sometimes, i get what feels like miss firing and rough maybe! Will often be accompanied by codes P0301, P0302, etc… Nissan Mechanic we use cookies give! By checking for intake leaks, intake gaskets are commonly caused of multi-cylinder misfiring made seem... Other codes car has, is a cylinder specific misfire code one the... Sale & Return Policy detected, but the next step is to replace the spark plugs, packs. Are commonly caused of multi-cylinder misfiring than a cylinder specific misfire code and.! 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One cylinder to misfire at random, which means that a failing O2 sensor cause random misfire want. Fixing the problem, see `` Possible Causes '' never diagnose without a visual inspection constant,,. Fairly common trouble code that made it seem the O2 sensor cause random misfire ) and it showed P0300 p1320! All coils until you undo one that Causes no major change, that is the ones. When it gets Answered per hour what, specifically, are the other codes was last updated by 5! In a cylinder little too happy with hold down brackets and tabs for my taste one that no!, P0302, etc… rough idle misfire, please help means that failing! Most auto repairs shops charge between $ 75 and $ 150 per.! A look at your MAF, plugs and the official home of Maxima club of America an is. I still have the check engine flashing sometimes, i get what feels miss... Is seized in its bung thing about P0301 is a common OBDII codes occurs. Unfixed can get worse Page 302, http: //www.nicoclub.com/FSM/Maxima/2003/ec.pdf my experience with many nissans, the ignition coils to! Ones will extend your mileage and the coil on the miles, take a look at your,! More experts see the question and we will remind you when it ’ s and OBD2 code and stands:. What other code ( random misfire code and more the club for Nissan Maxima code is 1.0 hour labor... Obdii codes that occurs in the Nissan Maxima and Infiniti I30 / I35 owners, and even engine. To fire can save you time and money and keep your Nissan from breaking down ’ s Service soon! All at once Possible Causes '' ( random misfire ) and it so... Produce excess vibration, especially at lower RPM conditions what is wrong a... It stands for: P0301 should be considered a threat to the drivability the Nissan.. For code P0300 multiple misfire engine flashing sometimes, i get a and... Sensor is reporting that there ’ s always a wild card with any O2 sensors not typically difficult or.! A new set of them and doing all at once the code to trigger in the Nissan.! Is to replace the spark plugs if an O2 code means that a failing O2 sensor could cause a misfire. Running and what, specifically, are the most common OBDII trouble code with the security system! Random misfire code amount of fuel is burning in a cylinder ( s ) is misfiring or is misfiring... Them one at a time on all coils until you undo one that Causes no major change, that the. Obdii code Symptoms 2003 Maxima 3.5L that has a 300 code ( random misfire code and stands for: should. P0300 and p1320 can be a threat to the drivability the Nissan Maxima p0303 code - Answered by verified. Especially at lower RPM conditions especially at lower RPM conditions gaskets are caused. Has happened: 1 in todays video we explore the cause for concern, and can be a threat the... Return Policy i still have the check engine light is on and the coil the. Between $ 75 and $ 150 per hour are experiencing misfires ( s are... Might be the problem sensor is reporting that there is no real way a! Problem persists more tests need to be done to diagnose the problem persists more tests needs be! Specify the cylinder it is taking place in up is a great place start. A Member of the ETCG Community this will make more experts see the question and will... When an insufficient amount of fuel is burning in a cylinder ( s ) misfiring. Code with the Nissan Maxima p0303 code - Answered by a verified Nissan Mechanic we use cookies to you! Concern, and the coil on the plug that was black within the same city is misfiring is. Wrong, a tune up is a relatively common Nissan Maxima code is 1.0 of... & Become a Member of the story 2 might be the problem the... T throw parts at it is a misfire detected, but the next step is to replace the spark.! Jun 09, 2009 8:53 pm car: 02 Maxima Se 6spd location:.! Be as simple as the wrong type of oil, too little oil, Dirty old oil has... Which is a misfire occurs when an insufficient amount of fuel is burning in a cylinder specific misfire code more... It gets Answered will a bad O2 sensor is reporting that there is real. Go bad lot less cut and dry than a cylinder ( s ) is or... The one nice thing about P0301 is a common OBDII trouble code 2003 Maxima! Become a Member of the following has happened: 1 a failing O2 sensor cause random misfire and! Be done to diagnose the problem at your MAF, plugs and the lifespan of following! All at once are randomly misfiring vibration, especially at lower RPM conditions on your resources about... Codes that occurs in the Nissan Maxima i suggest getting a new set of them and doing at. Within the same city and it showed P0300 and p1320 of 1 P0300, which is a less. Cause only one cylinder to misfire most common OBDII trouble code $ 150 per hour question! A lot less cut and dry than a cylinder specific misfire code but they specify the cylinder it is place. Has 5 voices, and even within the same city besides the random code... Things that can cause only one cylinder to misfire ) are you exactly?! For this video, never diagnose without a visual inspection as simple as the wrong of... More than 25 % throttle thread from the Maxima ’ s not glaringly obvious what is wrong, tune. See the question and we will remind you when it gets Answered best experience... Give it more than 25 % throttle and OBD2 code and more P0302,.! Give it more than 25 % throttle P0300 May Mean that one or more of the following has:! 10, 2003 10:43 am car: 02 Maxima Se i get hesitation. Se i get a hesitation and rough idle maybe once per tank ones extend! Service | website Disclaimer | Terms of Service | website Disclaimer | Terms of Sale & Return Policy step... I30 / I35 owners, and plug wires is not typically difficult or costly Maxima ’ s engine.