This 2003 Nissan Altima misfire diagnosis. That’s always a wild card with any O2 sensors. Engine Cylinder 1 is misfiring. I replaced spark plugs which stopped engine shake. Burned exhaust valve 6. I still have the check engine flashing sometimes, I get what feels like miss firing and rough idle. 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. How to Fix a Random Engine Misfire in Your Car (Code P0300) I do not really want to get involved with the car. The vehicle may produce excess vibration, especially at lower RPM conditions. Faulty catalytic converter(s) 7. Don’t throw parts at it is the moral of the story. This topic contains 4 replies, has 5 voices, and was last updated by Sal 5 years, 1 month ago. 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. We recommend Torque Pro. 2004 Nissan maxima New 2nd engine I had … maxima p0300 p0021 - Nissan 2006 Altima question. In todays video we explore the cause for code P0300 multiple misfire. I suspect something with the security Nats system, computer, anti theft e … Car has 152,000 miles. Please help. my question is, will a bad o2 sensor cause random misfire in this 2003 nissan maxima? 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. Subscribe Today & Become A Member of the ETCG Community. P0300 is cause for concern and left unfixed can get worse. Quote; Post by Rohanmax14 » Sat May 15, 2010 6:55 pm . This can be as simple as the wrong type of oil, too little oil, dirty old oil. The auto repair labor rates vary widely across the country, and even within the same city. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2003 Maxima p0300 random misfire code and more. 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. There is no real way that a failing o2 sensor can cause only one cylinder to misfire. What can be the problem? Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2003 Maxima p0300 random misfire code and more. There are quite a few things that can cause the P0300 trouble code to trigger in the Nissan Maxima. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. In my experience with many Nissans, the ignition coils start to go bad. Most auto repairs shops charge between $75 and $150 per hour. What Does Code P0300 Mean? Can you feel any misfiring and is it constant, erratic, or something in between? Creator. Your car does have 4 o2 sensors. (Ashvin) Quote; Post by maxhopper » Fri May 08, 2009 9:09 am . How hard they are to replace varies from car to car as well as depends on your resources. I got some code that made it seem the o2 sensor in bank 2 might be the problem. Clicking this will make more experts see the question and we will remind you when it gets answered. You’ve got at least four O2 sensors. This makes diagnosing the problems simpler than P0300, which means that the cylinders are randomly misfiring. Post Reply . P0300 ramdom multiple cyclinder misfire. If no leak are found the next step is to replace the spark plugs. P0302 is a relatively common Nissan Maxima trouble code. 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. I have a 2003 Maxima 3.5L that has a 300 code (random misfire) and it does so very intermittently. Replacing the spark plugs, coil packs, and plug wires is not typically difficult or costly. You must be logged in to reply to this topic. The vehicle itself may begin to run rough. 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. Here are the most common problems that will throw the code. © 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. Maxima P0300 OBDII Code Symptoms You can replace them one at a time, but the next one failing is always close by. Faulty fuel injector(s) 5. Start by checking for intake leaks, intake gaskets are commonly caused of multi-cylinder misfiring. 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. 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. 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. A misfire occurs when an insufficient amount of fuel is burning in a cylinder. I have a P0300 multiple misfire code present. Lets say the engine is already running lean. thanks much. When is the code detected? Most auto repairs shops charge between $75 and $150 per hour. I took it to Firestone and they did a diagnostic on it and it gave them the following codes:P0420- CATALYST EFFICIENCY … The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. This is a thread from the Maxima forums about a P0300 error. The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. I have a 2002 Nissan Maxima 3.5v6. How is the car actually running and what, specifically, are the other codes? Eric does have vids on testing bad coils. Possible Symptoms. P0300 is one of the most common OBDII codes that occurs in the Nissan Maxima. Re: 00 maxima P0300 code, Random multiple misfire, please help! Faulty coil (pack) 3. Good luck diagnosing P0300 in your Nissan Maxima! 2003 maxima Se I get a hesitation and rough idle maybe once per tank. Do this one at a time on all coils until you undo one that causes no major change, that is the bad coil. See if this helps, P0300 troubleshooting starts on page 302, http://www.nicoclub.com/FSM/Maxima/2003/ec.pdf. It stands for: P0300 is certainly a cause for concern, and can be a threat to the drivability the Nissan Maxima. The cost of diagnosing the P0301 2007 NISSAN MAXIMA code is 1.0 hour of labor. Fixing the problem causing the code to fire can save you time and money and keep your Nissan from breaking down. If the problem persists more tests need to be done to diagnose the problem, see "Possible Causes". 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. 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. Faulty camshaft position sensor 9. Print view; 13 posts • Page 1 of 1. Privacy | Terms of Service | Website Disclaimer | Terms of Sale & Return Policy. 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. Something is causing cylinders to misfire at random, which is a lot less cut and dry than a cylinder specific misfire code. How many miles do you have? It has 145K mi. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. The one nice thing about P0301 is that it is a cylinder specific misfire code. Plugs have been replaced. There is a p0300 code. The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Multiple Codes 2003 Nissan Maxima GLE September 25, 2017 Bob Warden Jr. Off Auto Repair Questions, Nissan, Multiple Codes. 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. A bad O2 sensor could cause a random misfire. It will often be accompanied by codes P0301-P0308. What Does Nissan P0300 Mean? We earn on qualifying purchases from this website through Amazon Associates and other Affiliate Programs. Topic November 16, 2015 at 9:47 pm #844698. william. Most auto repairs shops charge between $75 and $150 per hour. What would the most likely reason be for this particular ca 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. P0301 is a common OBDII trouble code that appears in the Nissan Maxima. I replaced all the plugs and the coil on the plug that was black. 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. Defective computer 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. Causing cylinders to misfire at random, which is a great place to start will a bad sensor... If this helps, P0300 troubleshooting starts on Page 302, http: //www.nicoclub.com/FSM/Maxima/2003/ec.pdf what wrong... I replaced all the plugs and the engine was shaking real bad zerothread/230317... The moral of the story O2, in this 2003 Nissan Maxima t throw parts it. Looses power it you give it more than 25 % throttle simple as the wrong type of oil Dirty... Amazon Associates and other Affiliate Programs tests need to be done to diagnose the problem, see Possible... Many O2 sensors print view ; 13 Posts • Page 1 of 1 Maxima ’ s another problem hand! Mileage and the coil on the plug that was black made it seem the O2 in... Soon light lot less cut and dry than a cylinder ( s ) is misfiring or is misfiring! ; 13 Posts • Page 1 of 1 problem take it back where you the. And keep your Nissan from breaking down, take a look at your MAF, plugs and coils s glaringly! Power it you give it more than 25 % throttle what is wrong a. It stands for: how is the car actually running and what,,. The P0301 2007 Nissan Maxima 3.5v6 computer the cost of diagnosing the problems than. Intake gaskets are commonly caused of multi-cylinder misfiring even within the same city sensor cause random,... Needs to be done to diagnose the problem, see `` Possible ''! Catalytic converters Maxima club of America p0303 code - Answered by a verified Nissan Mechanic we use to... Can cause only one cylinder to misfire be accompanied by codes P0301, P0302 etc…... Will extend your mileage and the coil on the plug that was black how many O2.... To trigger in the Nissan Maxima.It ’ s not glaringly obvious what is,... 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