Infiniti p0300

P0300 INFINITI code possible causesFaulty spark plug (s)Faulty ignition coil (s)Clogged or faulty fuel injector (s)Intake air leakFuel injectors harness is o...

The P030X code (X having the value from 1 to whatever the number of cylinders in your engine) is much more specific than the P0300. It’s an engine misfire code that tells you exactly where the misfire is happening. For example, if the ECU had detected a misfire in the third cylinder, the code would be P0303. Although these codes point out …Diagnostic trouble code (DTC) P0327 stands for "Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor).". It is triggered when the powertrain control module (PCM) detects very low voltage readings from your vehicle's primary knock sensor circuit. Take note that the voltage value may vary depending on your vehicle's make and model.A P0300 code in association with a check engine light may indicate problems with your vehicle’s ignition. It should be noted that a steadily-illuminated engine light indicates an active misfire ...P0171 and P0300, 04 g35x, air filter, pcv valve, new plugs, replaced coil pack cylinder 1, and cam angle sensor bank - Answered by a verified Infiniti Mechanic. We use cookies to give you the best possible experience on our website. ... 2017 Infiniti Q50 3.0T has p0021 and p0300. Check engine#BigProblem on my #Infiniti #G352003/2006 infiniti g35cylinder P0306 spark plug wires and/ or coilsFirst get in the car and lock all the doors. Secondly insert and remove the key repeatedly until the turn signal indicators on the dash flash twice simultaneously, it should be like seven or eight times. Then turn the key on and press the lock button on the remote and the lights should flash again.

My 2009 G37 sedan manual has a random misfire (p0300) on startup only for about 5 seconds then goes away entirely. I also have code p010a that is always on. I recently did an engine swap to another VQ37VHR engine, older engine had engine knock, but 0 check engine codes.And after starting the car for about 5 times the car goes into limp mode and ...Code P0300 Infiniti Description. When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position sensor signal to vary, the Engine Control Module can determine that a misfire is occurring.The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module monitors the crankshaft speed and has detected a misfire conditionAt first it started throwing the P0300 code and Check engine light on and sometimes started flashing and then car - Answered by a verified Infiniti Mechanic ... Getting P2A03 and P0300 on a 2009 Infiniti G37. Nothing so. Getting P2A03 and P0300 on a 2009 Infiniti G37 JA: Are you fixing your G37 yourself? What have you tried so far?The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common causes of multi-cylinder misfiring. If no leaks are found the next step is to replace the spark plugs. If the problem persists more tests need to be done to diagnose the problem, see "Possible Causes".A P0300 code in association with a check engine light may indicate problems with your vehicle’s ignition. It should be noted that a steadily-illuminated engine light indicates an active misfire ...

While the P0300 code indicates a random or multiple-cylinder misfire, other related codes might give more specific information about which cylinder is affected. Once identified, you should inspect your spark plugs, wires, and coils, looking for signs of wear, damage, or fouling. Next, consider checking the fuel system, including the injectors and …=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈== How to Fix P0300 Code =====Engine Code P0300 Saving Repair ...The cost to diagnose the P0300 2003 Infiniti G35 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.Code P0300 Nissan Description. When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position sensor signal to vary, the Engine Control Module can determine that a misfire is occurring.The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module monitors the crankshaft speed and has detected a misfire condition

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OBD II fault code P0300 is a generic trouble code that is defined as "Random/multiple cylinders - misfire detected" and is set when the PCM (Powertrain Control Module) detects misfires on random or multiple cylinders. Note that while the PCM has detected random misfires, it can identify neither the root cause (s) of the misfire (s) nor ...in this video i diagnose a 2020 infinity qx60 with a cylinder number 2 misfire. dealer said it needed new engine but the cause of the misfire was just a bad ...RECORD_ID: 4584603. Bulletin Number: ITB23-010E. Replacement Service Bulletin Number: N/A. NHTSA Item Number: 10251530. Date Posted: 02-22-2024. Component Name: 110000 ELECTRICAL SYSTEM. Make: INFINITI. Model: QX60. Year: 2022. Date Added: 03-07-2024. Summary: SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active.To access infotainment software updates via the Infotainment ...SOURCE: 2002 Chevy Silverado po300 po449 codes Trouble Code: P0300. Multiple Cylinder Misfire Detected. Possible Causes: Base engine mechanical fault that affects one or more cylinders Fuel delivery component fault that affects more than 1 cylinder EVAP system problem or the EVAP canister is fuel saturated EGR valve is stuck open or …

Apr 24, 2023 · 2018 Q50 Red Sport AWD - Graphite Shadow - Essential, Sensory, Performance, and ProACTIVE Packages - Custom EcuTek tune by Racebox - FI CBE w/resonated X-pipe & 14" mufflers - HKS resonated lower downpipes - Z1 Motorsports 2-Piece drilled and slotted brake rotors - Z1 SS brake lines - Infiniti Motorsports street pads - Continental DWS 06 255/40ZR19 tires - Stillen adj. rear anti-sway bar - SPL ...Some common causes of code P0300 could include the following-. Unmetered air entering the engine. Defective sparkplugs or sparkplug leads. Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors. Defective coil packs on applications where one coil feeds more than one sparkplug.Greenlight Infinity includes 5% savings for accounts, along with new safety features, like location sharing, SOS alerts and crash detection. Greenlight Financial Technology, a vent...I have a 04 Infiniti fx35, multiple misfiring code P0300, tried the following, replaced all spark plugs, ignition coils, intake manifold gaskets, crank position sensor, cam position sensors, lower o2 sensors, drivers side cat.converter, had cylinder misfire from cylinder 2 & 6, replaced fuel injectors, replaced ecu, but nothing changed still misfiring.I started getting a random misfire code p0300 and a very rough idle. Went ahead with the standard troubleshooting from spark plugs to coils etc...Started replacing those items and couldn't get rid of the code or rough running motor. At some point the variable valve timing solenoid code P0021 popped up. I followed the FSM troubleshooting procedure.Infiniti: Accessing Codes Without OBD II. On G20 models, the ECU is located behind the center console. On J30, M30 and Q45 models, the ECU is located behind the RH kick panel. ... P0300: Random Misfire: P0301-P0308: Misfire, Cylinder No. 1-8: P0325: Knock Sensor, Bank 1: P0330: Knock Sensor, Bank 2: P0335: CKP Sensor (Pos) P0340: CMP: P0400 ...Turn the ignition switch ON. 7. Turn the ignition switch OFF and wait at least 10 seconds. 8. Start the engine and keep the engine speed between 3,500 and 4,000 RPM for one (1) minute under no load. 9. Let the engine idle for 1 minute. 10. Keep the engine speed between 2,500 and 3,000 RPM for 20 minutes.My Infiniti fx37 has a P0300, multiple cylinder misfire. Hi,My Infiniti fx37 has a P0300, multiple cylinder misfire.Starting the engine works fine, silent and stable. Revving up doesn't go above 3500 and lowers to around 2000rpm.The exhaust/engine sounds li …P0300, yes really random. Just did the whole Cajun long tube headers with catted b pipes and uprev tune. Some background info first. Cam position sensor went out at convenience store, would not start,hooked up scanner, cps code appeaared, cleared code, started backfired a few times and then ran great.QX80 P0011 and P0300 after installing ignition coils. Post by moshmasterx » Wed Dec 13, 2023 11:42 am. Vehicle Details: 2014 Infiniti QX80 AWD Deluxe Touring Package. ~125k miles. Excellent service history, recent oil change, oil is clean and levels good. Background (I THINK THIS IS IMPORTANT): Starting about 3 months engine was very slightly ...Infiniti Mechanic: Owen. You could simply move the ignition coil from the suspect cylinders to a different cylinder to determine if the misfire follows the ignition coil. P0303 = cylinder 3. P0307 = cylinder 7. You could move the #3 and/or the #7 ignition coil to a different cylinder to see if the code changes to the cylinder you moved them to.

A forum for the legendary Nissan Pathfinder and Infiniti QX4. Post Reply . Print view; Search Advanced search. 16 posts • Page 1 of 1. retterjosh Posts: 9 Joined: Wed Sep 12, 2018 8:31 pm ... After for sitting for nearly 4 years and then running it with the p0300 I may just need to replace them. Top. Rockwood Posts: 192 Joined: Wed Aug 10 ...

The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. In this video,...A place for Infiniti owners and fans to hang out and chat about the cars, brand, modding, and more. ... We keep getting code P0300 (random misfires). We've changed all fuel injectors, ignition coils, and spark plugs. We've also tested the spark plugs and performed a cylinder compression test and the car seems to pass.all i get is a p0300 code at idle. so far what i did. 1 new spark plugs. 2 new coils. 3 new cam shaft sensors. 4 compression test in cylinders was 150 psi each. 5 fuel pressure is 60 psi at idle and 51 at giving gas. 6 om meter showed 12.4-12.5 on all injectors.Nissanclub.com Nissan - Infiniti Enthusiast Forums. NISSAN ALTIMA FORUMS. 2002-2006 Nissan Altima Discussion (2.5 & 3.5) CEL- P0011 & P0300. Jump to Latest Follow 5K views 3 ...Dec 22, 2023 · I have some issues with a 2014 Infiniti QX60 (3.5 V6) that the car repair show is unable to find. I have a misfire code P0300 (random misfire detected). Here are the issues with the car: Car is hesitating when I accelerate. When I drive the car for more than 30 minutes, then park for 15 minutes and want to re-start the car, it starts to stumble ...Aug 20, 2020 · Tech Notes. As the code description implies the P0420 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be ...Still having issues? Ask a certified mechanic online here: https://trk.justanswer.com/aff_c?offer_id=2&aff_id=8172&url_id=10How To Fix Cylinder Misfire on 20...

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Dec 21, 2019 · HOW TO FIX CODE P0300 RANDOM MULTIPLE CYLINDER MISFIREIf your car has engine light on and code P0300 Random Cylinder Misfire Detected, we will explain what c...Code P0021 2003 Infiniti G35 Tech Notes. Since the Intake valve timing control solenoid valve uses oil flow to control timing, dirty oil can cause the valve to stuck open or close. Before replacing the valve, change the engine oil and filter and reset the engine code. If the code comes back you can remove the Intake valve timing control ...Dec 22, 2023 · I have some issues with a 2014 Infiniti QX60 (3.5 V6) that the car repair show is unable to find. I have a misfire code P0300 (random misfire detected). Here are the issues with the car: Car is hesitating when I accelerate. When I drive the car for more than 30 minutes, then park for 15 minutes and want to re-start the car, it starts to stumble ...DTC P0300 AND IGNITION COILS BLISTERED APPLIED VEHICLES: 2003 – 2008 F X35 (S50) IF YOU CONFIRM Cylinder Misfire DTC (P0300 through P0306) is stored in the ECM, and One or more of the ignition coils is blistered (outer surface is deformed/melted), NOTE: The above conditions may also be accompanied by one or more of the following:The engine control unit (ECU) monitors the power output through sensors. When the power output falls below the expected level, it registers a misfire. Multiple and random misfires cause rough idling, poor acceleration, and reduced fuel efficiency. The underlying issues triggering the P0300 code in your Silverado can range.Still having issues? Ask a certified mechanic online here: https://trk.justanswer.com/aff_c?offer_id=2&aff_id=8172&url_id=10How To Fix Cylinder Misfire on 20...P0300 2006 Infiniti G35 Code - Cylinder Misfire Detected Random Cylinders. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.Emission Repair🚨The Oxygen sensor fuse was the cause of all these codes... P1148 P0051 P0031 p1168. Replaced O2 sensor fuse and reset check engine light. An...Jul 20, 2022 · Code P0300 2003 Infiniti G35 Description. When a misfire occurs, engine speed will fluctuate. 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. The Diagnostic Trouble Code (DTC) will be set when the Engine Control ...Code P0300 2003 Infiniti G35 Description. When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position sensor signal to vary, the Engine Control Module can determine that a misfire is occurring.The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module monitors the crankshaft speed and has detected a misfire conditionAug 8, 2021 · To be clear, this is an intermittent problem that does not always present itself, and it does not occur within a certain unique window of conditions. It is not p0300, random misfire. There's a lot here, because I can't find a common symptom to point me in any direction of a faulty part. Background - 2008 FX35 195k miles, daily driven.I had a p0300 and p0302 code. I have an infiniti 2012 qx56. I had a p0300 and p0302 code. I am changing the plugs and coils. The 8 coils are 2 different lengths. I wanted to confirm which length goes where. Mechanic's Assistant: The Infinit Mechanic can tell you the exact part you'll need. ….

January 31, 2023 by Jason. P0300 is a generic OBDII code that can occur with the Ford F250. This code indicates that your truck'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).OBD code P0300 is a diagnostic trouble code that indicates random (or multiple) misfires in your Infiniti QX80's engine cylinders. It's a generic trouble code, meaning that it applies to all relevant makes & models sold in the US. Diagnostic code P0300 is a "catch-all" for engine cylinder misfires when the PCU either doesn't know …Aug 8, 2015 · FX35. P0300 Code. Aug 8, 2015 #1. Gmonroe420 Member. I'm In need of knowledge here. First off I drive a 07 FX35. I'm coming home from a trip last week and my CEL starts flashing and immediately start losing power and drifting to a stop. Once I'm stopped a little bit of smoke came thru the cabin. So I get it towed home and hook it up to a code ...This is for all Z owner's 350z 370z g35 g37 a lot of car enthusiasts have randoms misfires well today is your lucky day im going to share a few tips on how t...As we know, the general causes of a misfire fall under the ­general headings of 1.) ignition, 2.) fuel density, 3.) compression and 4.) timing failures. - Battery Charging and Diagnostics. - A Closer Look At Key Programming. - Check The Technical Service Bulletins. Photo 1: The P0300 random misfire code might indicate a sympathetic cylinder ...Home Forums > Infiniti QX70 FX Forums > FX Forums (2003-2008) > FX (03-08) - Engine & Drivetrain > ... My dad has a code reader so I hooked it up and it had two codes, P0300 and P0304. I left my FX there tonight and will get a new coil from the dealer and replace it tomorrow evening. I am assuming it is a bad coil (#4) and am willing to throw a ...My local parts house ran a diagnostic and came up P0300 troubleshooting. Random cylinder misfire. It is a fuel system malfunction, ignition fault, vacuum leak, or engine mechanical. Is there any way I can narrow down the problem? Sometimes the engine runs as smooth as new, and other times runs as though a cylinder is not firing.Codes p0300, p0524, fuel cutoff at 3500 rpm, valve (?) Ticking at 2-3000 rpm under load. Loss of - Answered by a verified Infiniti Mechanic ... 2009 Infiniti G37 engine light is on codes p0300 p0011 p0021 p0524. just replaced engine has brand new oil pressure switch and oil level is good.vdc off abs and slip lights all come on when driving an ... Infiniti p0300, SOURCE: 2002 Chevy Silverado po300 po449 codes Trouble Code: P0300. Multiple Cylinder Misfire Detected. Possible Causes: Base engine mechanical fault that affects one or more cylinders Fuel delivery component fault that affects more than 1 cylinder EVAP system problem or the EVAP canister is fuel saturated EGR valve is stuck open or PCV system has a vacuum leak Ignition system fault (a coil ..., ill message as soon as i get the codes, give me 20 min. Infiniti Mechanic: Tom. Ok Ill be here . Ask Your Own Infiniti Question. p0300-random multiple misfire. p0327- knock sensor 1 ( circuit low input ) bank 1. p0102- mass or volume air flow a circuit low input. p0113- intake air temperature sensor 1 circut high imput. these are the codes left., The prevailing codes have been a P0300 & P0200 signifying a misfire and fuel injector circuit malfunction. I tried clearing the codes, and restarting the car, yet it still is in limp mode with a rough idle. I highly doubt that the mechanic could have done something to trigger this CEL, yet my car was performing stellar before I dropped it off ..., When a P0300 shows up suddenly with no other codes, the prime suspect is always a bug in the MAF. All it takes to make the engine run like crap is a piece of lint or butterfly wing, and since Nissans don't generally have MAP sensors for the ECM to cross-check the MAF, misfire codes are usually all you'll get (if any codes at all). Top., Brought to you by Infiniti Parts USA, your OEM source for Q45 parts! ... drop in pressure- no specific codes other than the P0300 (no help whatsoever, P0300 might as ..., I have three codes P0300 (Timing), P0014 (misfire) and P0524 (oil pressure) all in at the same time on 2019 Infiniti - Answered by a verified Infiniti Mechanic ... 2009 Infiniti G37 engine light is on codes p0300 p0011 p0021 p0524. just replaced engine has brand new oil pressure switch and oil level is good.vdc off abs and slip lights all come ..., Code p0011,p0021,p0300and p0524 replaced vvt solenoids and cam position sensors and changed the oil it runs fine if I - Answered by a verified Infiniti Mechanic., Mar 26, 2024 · To diagnose the P0300 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., 18 May 2016 ... Comments278 · 7 Mistakes that do DAMAGE to your CAR · 9 Bad Ignition Coil Symptoms · 2006 Infiniti G35 Rough Idle - P0300 Random Misfire - Bad ..., QX80 P0011 and P0300 after installing ignition coils. Post by moshmasterx » Wed Dec 13, 2023 11:42 am. Vehicle Details: 2014 Infiniti QX80 AWD Deluxe Touring Package. ~125k miles. Excellent service history, recent oil change, oil is clean and levels good. Background (I THINK THIS IS IMPORTANT): Starting about 3 months engine was very slightly ..., 09 g37x codes p0300 and p0524. Hello. Check engine went off last light. Drove about a quarter mile home and haven't driven since. Scanned the car and received 2 pending codes, p0300 random misfire and p0524 low oil pressure. Heading to dealer tomorrow but was wondering if anybody can provide input. Car did not go into limp mode and the car ..., Just had my mechanic change my plugs,change my air filter, clean the throttle body and clean the MAF sensor. When i start the car it idles rough and i get the check engine soon light. The car is running really rich now. We checked the code and we get p0300 which is random misfires. We double checked the plugs and the coils and they are fine., Emission Repair🚨The Oxygen sensor fuse was the cause of all these codes... P1148 P0051 P0031 p1168. Replaced O2 sensor fuse and reset check engine light. An..., Turn the ignition switch ON. 7. Turn the ignition switch OFF and wait at least 10 seconds. 8. Start the engine and keep the engine speed between 3,500 and 4,000 RPM for one (1) minute under no load. 9. Let the engine idle for 1 minute. 10. Keep the engine speed between 2,500 and 3,000 RPM for 20 minutes., The Society of Automotive Engineers (SAE) defines code P0300 as a generic OBD code with a specified definition. The code is referred to as u0022 Random Misfire Detection U0022 by SAE. However, the code may appear as u0022 Multiple Cylinder Misfire Detected when utilizing an OEM-level scan tool on many Chevy vehicles., Nissanclub.com Nissan - Infiniti Enthusiast Forums. NISSAN SENTRA / 200SX / SE-R FORUMS. B15 2000-2006 Nissan Sentra Discussion (SE-R / Spe ... Took it to Advanced Auto Parts for a code scan and they came up with multiple P0300 and one P0420. P0300 - Cylinder Misfire Detected Random Cylinders P0420 - Catalyst Efficiency Below Threshold (Bank 1), NISSAN 350Z or INFINITI G35 - How to Stop Car Hesitation (Spark Plugs and Ignition Coil). I show you each individual cylinder 1,2,3,4,5, and 6 how to change ..., have a 2011 fx35. 3 codes. p0725 engine speed sensor, p0014 camshaft position timing bank 1, p0024 camshaft position timing bank 2 … read more. Clifton B., What I need to fix and spend to fix it., Labor: 1.0. To diagnose the P0081 Infiniti code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., January 30, 2023 by Jason. P0300 is a generic OBDII code that can occur with the Honda Element. 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)., What is the Cost to Diagnose the Code P0300 2003 Infiniti G35? Labor: 1.0. The cost to diagnose the P0300 2003 Infiniti G35 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type., A vacuum leak happens when unmetered air enters the engine, disrupting the air-fuel ratio. This can be due to issues like a torn vacuum hose, malfunctioning PCV valve, or a compromised intake manifold gasket., I pulled the codes and got a p0014 and a p0300. Multiple misfires detected and the camshaft position sensor. I popped the hood and pulled the 2 sensors on the drivers side upper portion. I did read that the p0300 was the bank 1 and ordered one. ... NICOclub's Nissan forums and Infiniti forums and all affiliated sites are the property of HDS ..., I have a Q45 infiniti 2002 code p0300 came up does it just need a tune up? 2002 INFINITI Q45. Asked by jason warburton in Gilbert, AZ on . September 12, 2012. when idle its fine under load is when it misfires . 1 reply Report. Answer. Popular Answer. globalhelper of Greg's Orange Auto on ., The Engine Control Module ( ECM) receives vehicle speed signals from two different paths via CAN communication line: One is from the Anti-lock Brake System (ABS) Actuator and Electric Unit (Control Unit) via the combination unit and the other is from Transmission Control Module (TCM). P0500 Infiniti Code - Vehicle Speed Sensor., SOURCE: 2002 Chevy Silverado po300 po449 codes Trouble Code: P0300. Multiple Cylinder Misfire Detected. Possible Causes: Base engine mechanical fault that affects one or more cylinders Fuel delivery component fault that affects more than 1 cylinder EVAP system problem or the EVAP canister is fuel saturated EGR valve is stuck open or PCV system has a vacuum leak Ignition system fault (a coil ..., A P0300 Infiniti diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 Infiniti code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 Infiniti doesn't tell you specifically which cylinder(s) is ..., Yes, there are common issues that could trigger the Nissan P0300 code. This code typically indicates a random misfire in one or more cylinders of the engine. Common causes include faulty spark plugs, ignition coils, fuel injectors, or a clogged fuel filter. It is also important to check for vacuum leaks, low fuel pressure, or a malfunctioning ..., Nissan / Infiniti Truck, Crossover and SUV Forums. Armada Forum / QX56 Forum / QX80 Forum 2012 QX56 P0011 Code. A forum for the Nissan Armada, Infiniti QX56, and beginning in 2014, the Infiniti QX80. Post Reply . Print view; Search Advanced search. 5 posts • Page 1 of 1. CBlake Posts: 5 Joined: Mon Apr 13, 2015 10:10 am Car: …, P0021. Service engine…. Multiple codes p0430. P0420. P0300. P0021. Service engine light on service engine flashing. Mechanic's Assistant: That code indicates a problem with the catalytic converter How long has the check engine light been on?, NISSAN 350Z or INFINITI G35 - How to Stop Car Hesitation (Spark Plugs and Ignition Coil). I show you each individual cylinder 1,2,3,4,5, and 6 how to change ..., Checking for what would be causing the P0300 Code (Random Misfire) for the 2008 Infiniti G37. ... (Random Misfire) for the 2008 Infiniti G37. Turns out that it was a tear in the rubber intake tube ...