2005 xterra has a P0300 random misfire code. 3, It continues to run really rough and almost stall when motors warm. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154. This code wont even turn the light on. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc. What Does Nissan Code P0300 Mean? P0300 definition: Random, Multiple Misfire Detected; Issue Severity: SEVERE - Stop driving immediately; Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. What Does Nissan Code P0300 Mean? P0300 definition: Random, Multiple Misfire Detected; Issue Severity: SEVERE – Stop driving immediately; Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Possible Causes: Air leak in the intake manifold, or in the EGR or PCV systemBase engine problem affecting two or more cylindersCMP or CKP sensor signals erratic or out of phaseEGR valve stuck open, or EVAP purge system has failedFuel delivery component fault that affects more than. P0325 and P0300 Nissan Xterra 2001 Error Codes. Just replaced all 6 coil packs and made sure of good connection and pressed to spark plug. Fuel Injectors Fuel Pressure Regulators Coil Packs Spark Plugs Crankshaft Position Sensor Both Front 02 Sensors Mass Airflow Sensor After all this still had the random misfire same code. 2002 NIssan Xterra 3. Here is my list of the common fixes for this code: Replace defective spark plugs. Nissan Code Meaning, Causes, Symptoms, & Tech Notes>P0510 Nissan Code Meaning, Causes, Symptoms, & Tech Notes. Mechanics Assistant: Is the rough idle intermittent or consistent? Seems consistent. The P0300 code is telling us that there are misfires on several cylinders, which is much more often caused by an incorrect air-fuel mixture. She will run rough for about 3-5sec and then the idle smooths out, but my check engine light comes on I did some searching and only found a couple things. Re: P0300: After Ran Out Of Gas. SOLVED: 2003 nissan xtera po300 random multiple cylinder. 0 Radflos, PRG Uppers, Sliders, Shackles, Add-a-leaf, Bilstein 5100s, Rear Tire Carrier, 285/75R16 Open Countrys. Postby Rogue One » Tue Jul 31, 2018 3:34 pm. Answered in 1 minute by: 10/18/2020. 3l V-6 and it set a P0300 code and a P0325 pending code. P0300 causes can be varied. ) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more. You might have got a O2 sensor wet or some other sensor wet causing a misfire. P0300 Random Misfire code, when the SES light flashes it means the catalyic converters could be damaged. When it would happen there would be a noticable loss of acceleration like the truck would barely want to go, but then straighten back out. How do I find which cylinder is. How do I find which cylinder is misfiring?. Apr 15, 2010 • 2002 Nissan Pathfinder. Service light has returned and now returns codes: p0300 (random misfire) and P0420 (Catalyst System Efficiency Below Threshold (Bank 1). Codes P0300 (random misfire) and P0302 (cylinder #2 misfire) came up on the Scan Gauge. , Nissan Technician Satisfied Customers Nissan factory trained and Certified Subaru Technician. , ASE Master Auto Tech 6,653 Satisfied Customers ASE Master Certified Tech, Nissan Master Certified Tech, 12 yrs. ” This diagnostic trouble code (DTC) implies that your car’s computer detected random or multiple-cylinder engine failures. Still the same issues and codes. I have a 2002 Nissan Xterra that is showing a P0300 code …. sound like it would cause a P0300 Misfire?. Fast forward a couple days the misfire is happening way more frequently until one day my truck wont start up. I tried using carburetor cleaner (the spray) on my engine to see if I had any leaks. SAE refers to the code as Random Misfire Detected. cap and that the distributor cap itself is tight. Code P0300 is a generic OBD code with a standard definition from the Society of Automotive Engineers (SAE). check engine light flashing --- P0300 Code after cleaning Intake manifold with Carb Cleaner on a 2006 Nissan Xterra. 3 - YouTube 02 sensor connectors B1S1 and B2S1 wrong side 02 sensor connectors B1S1 and B2S1 wrong side AboutPressCopyrightContact. The replaced the spark plugs and the check engine light came back up. Hey guys Im having a problem with my 03 xterra , it has the v6 3. 2001 Nissan Xterra with P0300 random misfire code, starts…. co 👈=====Engine Code NISSAN P0300 Saving Rep. =====Claim your FREE engine code eraser 👉 https://free. , contaminated, dirty or sticking fuel. P0300 is a generic OBDII code that can occur with the Nissan X-Trail. If you have P0300 and a cylinder-specific misfire. Coduri postale Pitesti, Strada Minulescu Ion. P0300 is multiple cylinder misfire. The code P0300 indicates there are repetitive misfires on one or more cylinders in your car. The random misfire code is a P0300 code stating that the computer is seeing a misfire but can not detect which specific cylinder is the problem. TwoBills Registered Joined May 8, 2005 1,047 Posts #4 · Jun 15, 2009 Yup egg smell = cats. - Replaced spark plugs and wires - Replaced distributor cap and rotor - Replace knock sensor (it threw a code but shouldnt have replaced it) - Replaced upper/lower manifold gaskets (thought maybe there was an air leak because they were old) - Cleaned mass air flow and throttle position sensors. P0300 is a generic OBDII code that can occur with the Nissan X-Trail. P0300 = Random misfires. I got codes p0300 (multiple cylinder misfire), p0304 (cylinder 4 misfire), and p0328 (knock sensor high bank 1). have a 2002 Nissan Xterra that is showing a P0300 code >I have a 2002 Nissan Xterra that is showing a P0300 code. Nissan P0300 – Meaning, Causes, Symptoms, & Fixes. When I put on the reader to read the message I. 2005 xterra has a P0300 random misfire code. 3L VG33E engine misfire P0300 was created by mdce4. 3 4wd 5 speed with 120000 miles! Signed the papers and before she got home the check engine light was on and when sitting at idle starts to flash! Original codes were p0300 random multiple misfire and p0325 knock sensor. Possible cause: * Improper spark plug * Insufficient compression * Incorrect fuel pressure * The injector circuit is open or shorted. a smoke test for vacuum leak was done it passed. Causes: A code P0300 may mean that one or more of the following has happened: Faulty spark plugs or wires Faulty coil (pack) Faulty oxygen sensor (s) Faulty fuel injector (s) Burned exhaust valve Faulty catalytic converter (s) Stuck/blocked EGR valve / passages Faulty camshaft position sensor Defective computer Possible Solutions:. P0300 is a generic OBDII code that can occur with the Nissan Frontier. Number of things can cause it here is what I replaced. What Does Nissan Code P0300 Mean? P0300 definition: Random, Multiple Misfire Detected; Issue Severity: SEVERE – Stop driving immediately; Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Adding only three gallons of gas wasnt sufficient to keep it from tripping the warning again. =====Claim your FREE engine code eraser 👉 https://free. 15,054 Answers. Mechanics Assistant: Are you fixing your Xterra yourself? What have you tried so far?. 2001 Nissan Xterra with P0300 random misfire code, starts and idles fine, but runs rough ( misfires ) when accelerating. Discussion Starter · Feb 13, 2011. Trouble Code: P0300. 3L VG33E engine misfire P0300 × Help us help you. Since it had cap, wires, and plugs in the last 4 months I would start by checking the plug wires are all properly seated, not loose, on. On my 2006 xterra off road I was getting the flashing engine light. P0303 Cylinder 3 Misfire Detected. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. Re: P0300: After Ran Out Of Gas Postby Rogue One » Tue Jul 31, 2018 3:34 pm You ran out of gas, which most likely triggered a low fuel pressure warning. I noticed some rodent gnawing marks on my plug wires. You will often find this code together with another code of the specific cylinder the misfire occurred on. Replied by guafa on topic 2002 NIssan Xterra 3. The codes were p0300 & p0328. 2001 Nissan Xterra with P0300 random misfire code, starts and idles fine, but runs rough ( misfires ) when accelerating. Got the aftermarket coils from Amazon, but resistance is reading close to spec. I went and got the codes checked and got p0300,p0400, and p0328, P0300 being the random misfire. Service light has returned and now returns codes: p0300 (random misfire) and P0420 (Catalyst System Efficiency Below Threshold (Bank 1). I put in all new iridium plugs and new coils about 2 months ago. The codes were p0300 & p0328. What Codes Will This Page Cover? P0300 Random/Multiple Cylinder Misfire Detected. Getting a P0300 diagnostic codeMisfire???. It has an engine misfire code P0300. A P0300 code indicates multiple misfires. I have replaced spark plugs, checks for vacuum leaks, cleaned injectors and new o-rings, cleaned MAF, replaced bank 2 O2 sensor and replaced intake plenum and throttle body gaskets. Im also noticing some black soot under the truck coming from the exhaust. It has an engine misfire code P0300. Plugs and wires were done not too long ago. 2002 NIssan Xterra 3. 3L VG33E engine misfire P0300>2002 NIssan Xterra 3. P0301 Cylinder 1 Misfire Detected. 4 nissan xterra codigo p0300 random misfire cual es el problema que devo de hacer para areglarlo Read full answer. 2006 Nissan Xterra P0300 and cyl 1,3,5 run rich. The ECM only uses this signal to open or close the EVAP canister purge volume control solenoid valve when the throttle position sensor is malfunctioning. My main question is: Is there a. My main question is: Is there a way to get the ECU to detect which cylinder is misfiring? It would be a lot easier for me to figure out this problem if I knew which cylinder exactly is misfiring. I have a 2002 Nissan Xterra that is showing a P0300 code (multiple cylinder misfire). The Knock senor code is in there as well, but it goes away and comes back as do the misfire codes. 2002 NIssan Xterra 3. Replace or service the oxygen sensor. I did notice when I replaced the plugs that the #6 plug in the back was black colored , the rest of the plugs were caramel colored , like they should be. xterra has a P0300 random misfire code. But on many Chevy vehicles, when using an OEM-level scan tool, the code may come up as Multiple Cylinder Misfire Detected. The auto repair labor rates vary by location, your vehicles make and model, and even your engine type. I would check the engine timing and fuel pressure with this type of problem. Location: Florida, USA. Short term bank 1-95%, bank 2-98%. P0300 Random Misfire code, when the SES light flashes it means the catalyic converters could be damaged. 3 A couple weeks back my truck started misfiring randomly but only now and then. Mechanics Assistant: Is the rough idle. Cautare coduri postale din Romania. NISSAN P0300 Engine Code in 3 Minutes. I have a 2001 Xterra 3. After replacing the distributor, Ask an Expert Car Questions Nissan Repair Xterra: Hey Guys, I have a 2002 Nissan Xterra that is showing… Mike V. On my 2006 xterra off road I was getting the flashing engine light. A P0300 code indicates multiple misfires. Code P0300 is a generic OBD code with a standard definition from the Society of Automotive Engineers (SAE). P0300 2001 XTERRA 3. p0300 and p0328 error codes. After replacing the distributor, and plugs my tech is thinking that a clogged cat may be the issue. Which is misfire and knock sensor. Start by checking for intake leaks, intake gaskets are common causes of multi-cylinder misfiring. The code P0300 indicates there are repetitive misfires on one or more cylinders in your car. Nissan Xterra P0300 and cyl 1,3,5 run rich. Hey Guys, I have a 2002 Nissan Xterra that is showing a P0300 code (multiple cylinder misfire). This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. The code P0300 is for multi cylinder misfires. SAE refers to the code as “Random Misfire Detected. Top off your tank then clear the code. -Kelly- Build Thread - Big Geek Do you know what nemesis means? - Brick Top Reply wipeout_04. The SES light started flashing. No codes View attachment 139452 Click to expand Hi, thanks for adding to the info here. Replied by guafa on topic 2002 NIssan Xterra 3. Are these codes related to the …. 2001 Nissan Xterra with P0300 random misfire code, starts and idles fine, but runs rough ( misfires ) when accelerating. Service light has returned and now returns codes: p0300 (random misfire) and P0420 (Catalyst System Efficiency Below Threshold (Bank 1). Re: P0300: After Ran Out Of Gas Postby Rogue One » Tue Jul 31, 2018 3:34 pm You ran out of gas, which most likely triggered a low fuel pressure warning. Nissan Xterra with P0300 random misfire code, starts…>2001 Nissan Xterra with P0300 random misfire code, starts…. 2005 xterra has a P0300 random misfire code. P0300 code denotes “Random or Multiple Cylinder Misfire Detected. I will update this thread on how the fix works. I have replaced spark plugs, checks for vacuum leaks, cleaned injectors and new o-rings, cleaned MAF, replaced bank 2 O2 sensor and replaced intake plenum and throttle body gaskets. P0300 Nissan Code Meaning, Causes, Symptoms, & Tech Notes (With Video). The only code was p0300 random misfire. P0300 is multiple cylinder misfire. It has an engine misfire code. P0300 is a generic OBDII code that can occur with the Nissan Frontier. P0021 and P0300 Engine Code?!?. P0302 Cylinder 2 Misfire Detected. That #6 wire really sucks putting back on. I would like to hear how your shop responded to this concern. Replace the defective head gasket. I have a 2002 Nissan Xterra that is showing a P0300 code. 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. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). The random misfire code is a P0300 code stating that the computer is seeing a misfire but can not detect which specific cylinder is the problem. Most auto repairs shops charge between $75 and $150 per hour. 3 codes p0300, p0304, p0328 misfires above. Codes P0300 (random misfire) and P0302 (cylinder #2 misfire) came up on the Scan Gauge. Re: P0300: After Ran Out Of Gas. P0300- MULTI CYL MISFIRE P0021 is related to the Intake Camshaft variable control on bank 2. P0300 = Random misfires Typically a code which may come up with other codes such as P0301 which would point towards a misfire on cyl 1. Loss of compression on a cylinder. Ask an Expert Car Questions Nissan Repair 2001 Nissan Xterra with P0300 random misfire code, starts… Clifton B. nissan xterra 2000 random misfire code P0300 como lo puedo areglar Read full answer. Any one have any experience with this as it seems it could be anything from bad fuel pump, cloged cats, mass airflow sensor ect ect just dont want to throw a bunc of money at the problem replacing things that dont need to be replaced. Ran the codes again and get P0300-multiple cylinder misfire. You ran out of gas, which most likely triggered a low fuel pressure warning. But, this can be used as a diagnostic aid in and of itself. Does this sound like it would cause a P0300 Misfire?. This means that other cylinder misfire codes are present and your vehicle is lacking an integral component regarding its drivability. P0300 Nissan Code Meaning, Causes, Symptoms, & Tech Notes. Still had the P300 code. 2002 NIssan Xterra 3. Causes: A code P0300 may mean that one or more of the following has happened: Faulty spark plugs or wires Faulty coil (pack) Faulty oxygen sensor (s) Faulty fuel injector (s) Burned exhaust valve Faulty catalytic converter (s) Stuck/blocked EGR valve / passages Faulty camshaft position sensor Defective computer Possible Solutions:. Top off your tank then clear the code. Possible Causes: Air leak in the intake manifold, or in the EGR or PCV system Base engine problem affecting two or more cylinders CMP or CKP sensor signals erratic or out of phase EGR valve stuck open, or EVAP purge system has failed Fuel delivery component fault that affects more than 1 cylinder (i. It seems to happen during startup when the engine is cold. 2007 Super Black 4x4 Xterra. P0300 causes can be varied. Scanned for codes with OBD2 scanner and got P0300 (random misfires). 3L VG33E engine misfire P0300 Ignition is no time (the charge of coil is ending right at the top of the hump (end of compression stroke)). The P0325 code is for the knock sensor. If you find the P0300 code and another P030X code, it is more likely to be an ignition issue on that specific cylinder. 2001 Nissan Xterra with P0300 random misfire code, starts. Camshaft sensor code once but it cleared itself. Nissan XTerra Forum. Code P0300 Nissan Tech Notes The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. SAE refers to the code as “Random Misfire Detected. 2003 nissan xtera po300 random multiple cylinder. I have replaced…>2005 xterra has a P0300 random misfire code. Scanned for codes with OBD2 scanner and got P0300 (random misfires). 2001 Nissan Xterra with P0300 random misfire code, starts. I had a P0300 code when I cracked an O2 sensor. ” But on many Chevy vehicles, when using an OEM-level scan tool, the code may come up as “Multiple Cylinder Misfire Detected. On my 2006 xterra off road I was getting the flashing engine light. The ECM only uses this signal to open or close the EVAP canister purge volume control solenoid valve when the throttle position sensor is malfunctioning. Sometimes this issue can also be the result of a plugged up catalytic converter. The codes were p0300 & p0328. Check and repair broken wire connections. 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. Trouble Code: P0300. P0300 is multiple cylinder misfire. co 👈=====Engine Code NISSAN P0300 Saving Rep. The only code was p0300 random misfire. P0300 is just multicylinder misfire. But with the rotten egg smell I would say blocked or destroyed cats. Along with P0300, you’ll probably see another OBD-II code, ranging from P0301 to P0308. After doing a bunch of diagnostic work with the truck running it appears there was a small leak at one of the flanges in front of the cat. I took it back to the shop that did the work. I get a clicking noise and it seems the battery isnt pushing enough power to start the truck. I have already replaced the spark plugs, spark plug wires, and a fuel injector that had a high resistance reading. Ran the codes again and get P0300-multiple cylinder misfire. Hi, Im trying to determine the cause of a misfire on this Xterra, 2002 V6, 3. What is the Cost to Diagnose the Code P0300 Nissan? Labor: 1. Lista modele NISSAN: Micra, Micra C+C, Qashai, X-Trail, Pathfinder, Patrol, Murano, Navara. When the ses is reset the light does not come on again until the engine is warmed (backpressure buildup maybe?) and the misfire only occurs at idle. Nissan xterra: check engine light flashing. P0300 Code: Random or Multiple Cylinder Misfire Detected>P0300 Code: Random or Multiple Cylinder Misfire Detected. You will often find this code together. 3L VG33E engine misfire P0300. My girlfriend just bought her new used 2000 Xterra 3. 2003 nissan frontier 3. 2001 Nissan Xterra with P0300 random misfire code, starts and idles fine, but runs rough ( misfires ) when accelerating. With any luck that should take care of it. You might have got a O2 sensor wet or some. A forum community dedicated to Nissan Xterra owners and enthusiasts. Multiple cylinders misfiring. Even though it was an obvious misfire and I knew that continuing to drive might burn up the cats, I kept going because I was in the middle of nowhere at 4:30 am when this started. Category: Nissan. P0300 Nissan Code Meaning, Causes, Symptoms, & Tech Notes …. service engine soon light and detected misfire?. You will often find this code together with another code of the specific cylinder the misfire occurred on. Replace damaged fuel injectors. I have seen an instance of a Camshaft VTC sprocket get locked and cause the whole bank to misfire. P0300 Code: Random or Multiple Cylinder Misfire Detected. Cod postal pentru Strada Trivale din Pitesti. After doing a bunch of diagnostic work with the truck running it appears there was a small leak at one of the flanges in front of the cat. What Codes Will This Page Cover? P0300 Random/Multiple Cylinder Misfire Detected. 3L VG33E engine misfire P0300 was created by mdce4. P0300 is a generic OBDII code that can occur with the Nissan X-Trail. Code P0300 is a generic OBD code with a standard definition from the Society of Automotive Engineers (SAE). Code P0300 Nissan Tech Notes The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. , if the generated code is P0302, the number 2 indicates that cylinder number 2 has a misfire. The code P0300 indicates there are repetitive misfires on one or more cylinders in your car. So far Ive replaced the plugs , wires , distributor, knock sensor , yet still have the problem. The misfire codes were generally random but it did throw a cylinder 3 and 5 once. Trouble Code: P0300. P0300 Code: What Causes It and Ways to Fix It! » Way Blog. Hey Guys, I have a 2002 Nissan Xterra that is showing a P0300 code (multiple cylinder misfire). 3L VG33E engine misfire P0300 was created by mdce4. Hey guys Im having a problem with my 03 xterra , it has the v6 3. P0300 = Random misfires Typically a code which may come up with other codes such as P0301 which would point towards a misfire on cyl 1. Nissan is one of the vehicles that list this code. Nissan xterra 2002 after my timing belt, water pump and spark plugs were changed my check engine light came on. 2005 xterra has a P0300 random misfire code. P0127 Code: Intake Air Temperature Too High. Loss of compression on a cylinder EGR failure Vacuum leak Low fuel pressure Faulty coils and or plugs Camshaft sensors Ignition module and or computer. P0510 Nissan Code - Closed Throttle Position Switch Fault / Need more Information on the P0510 Nissan Code? Need more information on how to fix the P0510 Nissan code?. P0300 Random Misfire code, when the SES light flashes it means the catalyic converters could be damaged. P0300 is a diagnostic trouble code (DTC) for Random/Multiple Cylinder Misfire Detected. Code P0300 is a generic OBD code with a standard definition from the Society of Automotive Engineers (SAE). 2001 Nissan Xterra with P0300 random misfire code, starts and idles fine, but runs rough ( misfires ) when accelerating. P0300 is just multicylinder misfire. No codes View attachment 139452 Click to. Code P0300 Nissan Tech Notes The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Cod postal pentru Strada Minulescu Ion din Pitesti. The cost of diagnosing the P0300 Nissan code is 1. P0300 Error Code! HELP!!!. The P0300 is random misfire multiple cylinders and the P0325 is knock sensor malfunction. Since it had cap, wires, and plugs in the last 4 months I would start by checking the plug wires are all properly seated, not loose, on the plugs and the dist. What has been done (since the rollover) Air filter was replaced with a stock Nissan one. Very ruff idle and slow performance. I recommend not driving your Xterra if it is running rough and flashing a SES light, or it will damage a cat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). I have a 2002 Nissan Xterra that is showing a P0300 code (multiple cylinder misfire). Now my check engine light came on with an error codes of p0300 and p0328. SAE refers to the code as “Random Misfire Detected. P0300 = Random misfires Typically a code which may come up with other codes such as P0301 which would point towards a misfire on cyl 1. Code P0300 Nissan Tech Notes. The only code was p0300 random misfire. the distributor, spark plugs and wires were replaced. Hi, Im trying to determine the cause of a misfire on this Xterra, 2002 V6, 3. DTC detecting condition: * Multiple cylinder misfire. Feb 09, 2010 • 2001 Nissan Xterra. So after thinking for a bit I just decided to replace the coils and spark plugs. I had a P0300 code when I cracked an O2 sensor. If no leaks are found the next step is to replace the spark plugs. About O2 sensors, you have proved that both circuit integrity are fine. =====Claim your FREE engine code eraser 👉 https://free. I sprayed the Carb Cleaner onto a rag and wiped the ports under the plenum but during that process Im sure the of the CRC Carb cleaner went down the ports while spraying. See more Reply Save Like MEDEL514. P0300 Random Misfire Code. I keep throwing a code P0304, happens about every 2-3 weeks. For O2 sensor test, you don´t need to move any of the connectors from where they live. I recommend not driving your Xterra if it is running rough and flashing a SES light, or it will damage a cat. P0510 Nissan Code Meaning, Causes, Symptoms, & Tech Notes. If the last digit of the trouble code is not zero, e. All these codes indicate engine misfires. Start by checking for intake leaks, intake gaskets are common. Code P0300 Nissan Tech Notes. Most recent freeze frame data shows long term fuel trim as: bank 1-100%, bank 2-100%. What Does Nissan Code P0300 Mean? P0300 definition: Random, Multiple Misfire Detected; Issue Severity: SEVERE – Stop driving immediately; Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter. This does suit what you have happening here. How to Fix NISSAN P0300 Engine Code in 3 Minutes. It seems to open up more once it gets warm, which is why I didnt detect it when I checked it since it was cold. Engine oil level, VTC camshaft sensors, can also cause this. Start by checking for intake leaks, intake gaskets are. P0300 Code Nissan XterraFirst I ran some seafoam through the. Code P0300 Nissan Tech Notes. Im thinking maybe a coil is bad ? Are there 6 separate coils for each cylinder ? See less Reply Save Like 1 1 - 5 of 5 Posts. On a Nissan, P0300 Code; P0455 Code; P0401 Code; P0172 Code; P0446 Code; P0011 Code; P0340 Code;. This code indicates that your trucks engine is misfiring and can be a drivability threat. P0300: After Ran Out Of Gas. After removing the plenum, noticed intake ports on cyl 1,3,5 are dark and wet with gasoline, spark plugs are all. The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. 2001 Nissan Xterra with P0300 random misfire code, starts and idles fine, but runs rough ( misfires ) when - Answered by a verified Nissan Mechanic I have a 2002 Nissan Quest with code p0300 rough idle and stalls. Coduri postale Pitesti, Strada Trivale. Replace defective ignition coils. Typically a code which may come up with other codes such as P0301 which would point towards a misfire on cyl 1. I went and got the codes checked and got p0300,p0400, and p0328, P0300 being the random misfire. P0300 Random Misfire code, when the SES light flashes it means the catalyic converters could be damaged.