Code p1421 nissan versa - 2018-01-10. Recall no. 18V044000. Nissan North America, Inc. (Nissan) is recalling certain 2009-2012 Versa Hatchback, and 2011 Versa Sedan vehicles ever registered in the states of Alabama ...

 
What is the Cost to Diagnose the Code? Labor: 1.0. The cost to diagnose the P2119 Nissan 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.. Mason crum stillwater mn

codigo p1421 nissan versa 2007 General Tech El sitio para los fanáticos del automovilismo Centro Americano. Foro altamente activo, tips, modificaciones, videos, encuestas, articulos, etc.I have a 2010 Nissan Versa with the code P1421, is there a bulletin service for this car? asked Dec 17, 2017 by frank. p1421; nissan; versa +1 vote. 2 answers 325 views.P0710 NISSAN - Transmission Fluid Temperature Sensor Circuit Malfunction Read more: https://www.autocodes.com/p0710_nissan.html You may need to replaced the ...codigo p1421 nissan versa 2007 General Tech El sitio para los fanáticos del automovilismo Centro Americano. Foro altamente activo, tips, modificaciones, videos, encuestas, articulos, etc.OneNutShort. 72 posts · Joined 2015. #4 · Apr 20, 2015. It could be a clogged air filter. A clogged fuel injector or bad fuel pump. Or a faulty Engine Control Module. Then again there is a TSB out there for this code, so it may just need to be reprogrammed. I'd lean toward the air filter or the ECM reprogramming.Certainly, most of us will experience times in our relationship when we have particular difficulty expressing Certainly, most of us will experience times in our relationship when w...Feb 3, 2018 · 2009 Nissan versa 120k miles with engine light on --code P1421 came up for ecm. was told to disconnect battery for 30 minutes and would reset --didn't work. then went on internet and ran thru procedur … read more The Nissan 350Z design was geared to make the car an attainable performance vehicle. Learn more about the Nissan 350 design and check out pictures. Advertisement The Z's role as sy...I have a 2008 Nissan Versa 5 door, the Service Engine soon light has come on. I took it to Autozone to check the computer code, this is code. No one at Autozone knew what this meant Troubleshooting: P … read moreFaja. Posts: 414. Joined: Fri Mar 13, 2009 4:26 pm. Car: Sentra 2009. Re: 2009 SE-R Spec V Code P1421? (NSNissan) Post by Faja » Fri Nov 13, 2009 3:25 pm. …I have a 2010 Nissan Versa with the code P1421, is there a bulletin service for this car? asked Dec 17, 2017 by frank. p1421; nissan; versa; 0 like 0 dislike. 1 answer 234 views. does P0507 on VW signify. asked Oct 21, 2018 by anonymous. code-p0507; volkswagen; wagon; 0 like 0 dislike. 1 answer 863 views. P0507 KIA - asked May 13, 2018 by ...The fault code P1421 can be caused by a lack of intake air volume due to a blocked air filter. It can also be caused by a clogged fuel injector or a bad fuel pump in the fuel injection …What is the Cost to Diagnose the Code? Labor: 1.0. The cost to diagnose the P1421 2009 Nissan Altima Sedan 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.Has your Nissan been in an accident? Do you rebuild salvage cars and your airbag light is on? We can reset it by erasing crash data and hard codes! You will ...What Does The Nissan P1421 Code Mean? HYBRID MODELS CAUTION: Hybrid systems use very high-voltage battery systems. Before starting any service work involving the battery system, turn the ignition switch OFF and then remove the service plug from pocket in the trunk. After removing the service plug, wait 10 minutes before touching any of the high ...Marvin. Nissan Master 85,242 Answers. Posted on Nov 10, 2016. Possible causes - Lack of intake air volume (blocked air filter) - Fuel injection system (Clogged fuel injector or bad fuel pump) - Faulty Engine Control Module (ECM) - Reprogram ECM.Dec 18, 2014 · There is no service bulletin for the 2010 model. you can try to clean the mass airflow sensor with mass airflow sensor cleaner and clean the throttle body with throttle body cleaner and after you will have to do idle air relearn see steps below (you can disconnect the battery while cleaning the parts to reset the computer 15-30min) 2007-2011 ... What is the Cost to Diagnose the Code? Labor: 1.0. The cost to diagnose the P1421 2009 Nissan Altima Sedan 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.What is the Cost to Diagnose the Code? Labor: 1.0. The cost to diagnose the P2119 Nissan 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.Thank you. P2096 is a generic OBD II code, which means that it has the same meaning for the Nissan Versa as it would any other vehicle. It specifically indicates that your Versa detected that it is running too lean (too much air for the amount of fuel present). Bank 1 is the side of the.2018-01-10. Recall no. 18V044000. Nissan North America, Inc. (Nissan) is recalling certain 2009-2012 Versa Hatchback, and 2011 Versa Sedan vehicles ever registered in the states of Alabama ...Nissan. Code: P1421. Definition: Cold Start Emission Reduction Strategy Monitoriing (Includes Hybrid Models) Description: HYBRID MODELS CAUTION: Hybrid systems use very high-voltage battery systems. Before starting any service work involving the battery system, turn the ignition switch OFF and then remove the service plug from pocket in the trunk.P1421 NISSAN - 0 votes . ... 2018 by anonymous. I have this code P1421 for my 08 Versa but there is no evident impact to the performance or even to the mpg's of the ...this Nissan versa question is worth at least $25 for a Nissan dealer employed tech with at least 7 yrs exp, In my shop I have a 2007 versa with 79k miles vin#3N1BC13E37L360991, car has a hard o start situation for a year. this car either runs perfect or won't start,, sometimes starts and stalls.Thank you. P2096 is a generic OBD II code, which means that it has the same meaning for the Nissan Versa as it would any other vehicle. It specifically indicates that your Versa detected that it is running too lean (too much air for the amount of fuel present). Bank 1 is the side of the.Surfe injects CRM data on LinkedIn directly so that you can interact with your CRM where you already spend most of your time. Surfe, the startup that was originally named Leadjet, ...350Z Instruments and Electronics - The Nissan 350Z instruments and electronics were designed to be easy for the driver to use. Check out the 350Z instruments and electronics. Adver...To diagnose the P1421 2008 Nissan Altima Sedan 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.Ghosn's arrest has drawn worldwide scrutiny to a judicial system heavily stacked against anyone accused of a crime. Japanese prosecutors indicted Nissan’s ousted chairman Carlos Gh...Dec 18, 2014 · There is no service bulletin for the 2010 model. you can try to clean the mass airflow sensor with mass airflow sensor cleaner and clean the throttle body with throttle body cleaner and after you will have to do idle air relearn see steps below (you can disconnect the battery while cleaning the parts to reset the computer 15-30min) 2007-2011 ... Code. Fault Location. Probable Cause. P1421. Cold start emission control – malfunction. (Buy Part On Amazon) Intake/exhaust leak/blockage, mechanical fault, idle speed control (ISC) system, ignition control, engine coolant temperature (ECT) sensor, H02S, ECM. We recommend Torque Pro.Depression and substance misuse can reinforce and worsen each other. But treatment is possible. Depression can lead to substance use disorder, and vice versa. With the right treatm...El referido codigo P1421 Es referido al Control de arranque en FRIO. - Sistema de inyección de combustible (inyector de combustible obstruido o bomba de combustible defectuosa). - Módulo de control del motor defectuoso (ECM). - Reprogramar ECM.To diagnose the P1421 2009 Nissan Sentra 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.this Nissan versa question is worth at least $25 for a Nissan dealer employed tech with at least 7 yrs exp, In my shop I have a 2007 versa with 79k miles vin#3N1BC13E37L360991, car has a hard o start situation for a year. this car either runs perfect or won't start,, sometimes starts and stalls.It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 sensor.Jul 16, 2020 · The p1421 code is detected when the engine control module (ecm) does not control ignition timing and engine idle speed properly when engine is started with pre-warming up condition. The most common cause of a P1421 trouble code is a damaged or faulty catalytic converter. Older cars are more likely to have worn-out catalysts because of wear and tear. Factors like clogging ...To diagnose the P1421 2009 Nissan Sentra 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.I have a 2010 Nissan Versa with the code P1421, is there a bulletin service for this car? asked Dec 17, 2017 by frank. p1421; nissan; versa +1 vote. 2 answers 325 views. 2010 Nissan Versa Hatchback 1.8L with engine code P1421. asked Mar 20, 2018 by kj. nissan; versa; p1421; 0 votes. 1 answer 246 views.The P1421 code is detected when The Engine Control Module (ECM) does not control ignition timing and engine idle speed properly when engine is started with pre-warming up condition. What are Code Possible Symptoms?To diagnose the P1421 2006 Nissan Altima Sedan 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.Nissan Versa U1000 Symptoms. U1000 is a broad code. The symptoms related to it can vary wildly, depending on which modules can and can’t communicate. The odds are that you’ve pulled this article up after the service engine soon light came on with U1000 If there are codes related to a specific module or CAN bus, start your diagnosis …My 2013 Nissan Versa Sedan has the engine code P0456 with a 02 sensor heater EGR. I replaced the fuel cap. is it safe to erase the code? Vehicle: 2013 Nissan Versa Sedan versa; nissan; p0456; 2 Answers +1 vote . answered Jan 12, 2018 by anonymous . Best answer. Yes you can erase the code. ...2014 nissan versa. Jchag28; Jan 15, 2024; 25 858 Feb 21, 2024. by KeepbuildingVersa. 2009 Versa hatchback No throttle in any gear but PARK! ... Check/Service Engine Light - Code P1421. nissanversa08; Nov 26, 2012; 18 …The P1421 code is detected when The Engine Control Module (ECM) does not control ignition timing and engine idle speed properly when engine is started with pre-warming up condition. What are Code Possible Symptoms?KBB Service Advisor. Reviewed by. Gary Hardesty. What Is the P1421 Code? Symptoms. Causes. Seriousness. Can I Still Drive? Diagnose. Difficulty of Inspecting. Get Additional …I have a 2008 Nissan Versa 5 door, the Service Engine soon light has come on. I took it to Autozone to check the computer code, this is code. No one at Autozone knew what this meant Troubleshooting: P … read moreLabor: 1.0. The cost to diagnose the P1421 2010 Nissan Sentra 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.3279 posts · Joined 2009. #2 · Mar 25, 2010. These cars do not really need a tune up. Old school tune up use to be cap, rotor, plugs, wires, fuel filter, air filter, new fluids. Our cars don't use a cap, rotor, don't have a serviceable fuel filter, the plugs are buried and not due for a change until 105k miles I believe, there isn't an spark ...DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition. Possible cause. P2119: ETC ACTR-B1 (Throttle actuator control throttle body range/ performance)2015 Chrysler and 2010 Dodge Where the definition of Dodge and Chrysler of the code P1421? 0 votes . 153 views. asked Oct 19, 2018 by AboNaseer. 2015 Chrysler and 2010 Dodge Where the definition of Dodge and Chrysler of the code? ... I have a 2010 Nissan Versa with the code P1421, is there a bulletin service for this car? ...Code in my 2010 Nissan Versa 1.8 says P1421 says my ECM needs reprogrammed. 131,120. I don’t know if it is an S or SL - Answered by a verified Mercedes MechanicCode P1421 on 2009 Nissan Versa- Could it be something more serious? Background: A little over a month ago, my car (2009 Nissan Versa with like 125k miles) wouldn't start. It was definitely trying, but couldn't quite get there.Code P1421 on 2009 Nissan Versa- Could it be something more serious? Background: A little over a month ago, my car (2009 Nissan Versa with like 125k miles) wouldn't start. It was definitely trying, but couldn't quite get there. I got it towed to the mechanic, he disconnected the battery for a little while, reconnected it, and it started up just ...VersaCheck is a software application that enables users to create and print checks using a home or business computer. VersaCheck's parent company, G7 Productivity Systems, created ...Oct 7, 2009 · Post by Faja » Fri Nov 13, 2009 3:25 pm. This is taken from a different website on a Nissan Quest: Code P1421 means cold start control problems. Possible cause .. 1 Lack intake air volume2 fuel injector3 ECM. Car is under warranty, call the dealer and let them figure it out. Top. 2009SentraSE-R. Posts: 36. =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====nonda Auto DIY Center is the biggest ...The P0705 code in a Nissan Versa refers to a transmission range sensor circuit malfunction. This code indicates that there is an issue with the transmission range sensor, which is responsible for informing the engine control module (ECM) about the gear position of the vehicle. The P0705 code is a generic OBD-II code, which means it is ...September 1, 2021 by Jason. P2A00 is a somewhat common DTC trouble code. It is a general code, which means it has the same definition for the Nissan Versa as it would any other vehicle. P2A00 indicates that the Bank 1 Sensor 1 O2 sensor is operating outside of its normal voltage range. If your Nissan Versa has DTC P2A00, it is most likely ...Nissan Codes; Trouble Code Fault Location Probable Cause; P0011: Camshaft position (CMP), intake/left/front, bank 1 timing over advanced/system performance: ... P1421: Cold start emission control – malfunction: Intake/exhaust leak/blockage, mechanical fault, idle speed control (ISC) system, ignition control, engine coolant temperature (ECT ...driving home in traffic check engine light came on. idle rough and no power. limped home and checked code with scanner. p0301 misfire cylinder 1. good n...The fault code P1421 can be caused by a lack of intake air volume due to a blocked air filter. It can also be caused by a clogged fuel injector or a bad fuel pump in the fuel injection …3279 posts · Joined 2009. #2 · Mar 25, 2010. These cars do not really need a tune up. Old school tune up use to be cap, rotor, plugs, wires, fuel filter, air filter, new fluids. Our cars don't use a cap, rotor, don't have a serviceable fuel filter, the plugs are buried and not due for a change until 105k miles I believe, there isn't an spark ...2009 Nissan versa 120k miles with engine light on --code P1421 came up for ecm. was told to disconnect battery for 30 minutes and would reset --didn't work. then went on internet and ran thru procedur … read moreJan 8, 2017 · I have the engine code P1421 on my 2008 Nissan Versa, check engine soon lite don't get off. asked Jan 5, 2017 by anonymous. nissan; versa; p1421; 0 like 0 dislike. 1 ... To diagnose the P2119 Nissan 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.Nissan common check engine light code p1421 which is the Cold Start Controller. Fix was to reset or reprogrammed the ECM (Electronic Control Module).Nissan. Code: P1421. Definition: Cold Start Emission Reduction Strategy Monitoriing (Includes Hybrid Models) Description: HYBRID MODELS CAUTION: Hybrid systems use very high-voltage battery systems. Before starting any service work involving the battery system, turn the ignition switch OFF and then remove the service plug from pocket in the …Jun 28, 2020 · The video focuses on the basic Nissan specific diagnostic error code.Contents:0:21 Basic DTC analysis according to OBD2 protocol standard.1:48 Insight into p... The most common cause of a P1421 trouble code is a damaged or faulty catalytic converter. Older cars are more likely to have worn-out catalysts because of wear and tear. Factors like clogging ...The bulletin applies to 2014 Nissan Versa vehicles built before 3N1CE2CP(*)EL 433025 and April 7, 2014. Nissan has come up with an ECM software patch for the problem. However, check the following before proceeding with the update. Follow these tests if you get a P059F Nissan Versa code and your vehicle is outside …The P1421 code is detected when The Engine Control Module (ECM) does not control ignition timing and engine idle speed properly when engine is started with pre-warming up condition. Possible Symptoms Engine Light ON (or Service Engine Soon Warning Light)September 1, 2021 by Jason. P2A00 is a somewhat common DTC trouble code. It is a general code, which means it has the same definition for the Nissan Versa as it would any other vehicle. P2A00 indicates that the Bank 1 Sensor 1 O2 sensor is operating outside of its normal voltage range. If your Nissan Versa has DTC P2A00, it is most likely ...What is the Cost to Diagnose the Code? Labor: 1.0. The cost to diagnose the P1422 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.If you find a P1421 code stored in the computer, perform this procedure to teach the ECM the fully closed position of the throttle plate It must be performed any time …Surfe injects CRM data on LinkedIn directly so that you can interact with your CRM where you already spend most of your time. Surfe, the startup that was originally named Leadjet, ...Dec 4, 2021 · driving home in traffic check engine light came on. idle rough and no power. limped home and checked code with scanner. p0301 misfire cylinder 1. good n... Understanding the P1421 Error Code. When the P1421 error code appears in your Nissan’s diagnostic system, it indicates a problem with the engine management system.Dec 15, 2021 · 2009 Nissan versa 120k miles with engine light on --code P1421 came up for ecm. was told to disconnect battery for 30 minutes and would reset --didn't work. then went on internet and ran thru procedur … read more Later on in the evening I came home and started the car up, and Blam. CEL. Ran the codes- the same old fucking too lean bank 1. And the p0507 code. I was able to do the whole idle relearn procedure, and by doing so that cleared the p0507 code. So I started it back up and after a few moments of idle around 700-800rpms the damn p0171 came back.To diagnose the P2119 Nissan 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.3279 posts · Joined 2009. #2 · Mar 25, 2010. These cars do not really need a tune up. Old school tune up use to be cap, rotor, plugs, wires, fuel filter, air filter, new fluids. Our cars don't use a cap, rotor, don't have a serviceable fuel filter, the plugs are buried and not due for a change until 105k miles I believe, there isn't an spark ...Dec 21, 2020 · Nissan has issued a service bulletin # NTB09-116a to address a P1421 code COLD START CONTROL trouble code on all 2007 – 2010 Versa models with the MR18DE engine ONLY. The check engine light will appear and this Nissan P1421 code will be stored. Nissan TSB NTB09-116 Make: Nissan Number: NTB09-116 Title: 2007 - 2009 Versa; DTC P1421 Stored Date: 10/23/2009 Models: 2007-2009 Versa

The video focuses on the basic Nissan specific diagnostic error code.Contents:0:21 Basic DTC analysis according to OBD2 protocol standard.1:48 Insight into p.... Fema is700 test answers

code p1421 nissan versa

2016 Versa. P0420 isn't an 02 sensor code it's a catalyst inefficiency code. I have heard of on rare occasions it being related to a bad downstream 02 sensor but as Ecate said it's usually the catalytic converter needs to be replaced.Definition. P0011 “A” Camshaft Position Timing Over Advanced or System Performance (Bank 1) Symptoms. Stalling, decreased MPG, rattling, engine running rough, check engine light. Common Causes. Low oil, wrong oil viscosity, faulty camshaft actuator, timing chain/belt jumped. Breakdown Risk. P1421 nissan versa code 2015 pdf free However, before you do that, shops find that cleaning the throttle body usually solves the problem.See this post for instructions on how to clean an electronic throttle body.After you clean the throttle body, you must perform a throttle body relearn procedure to teach the ECM the new “home” position. Bay Area-based AI startup Symbio today announced its “official launch.” Backed by a total of $30 million in funding, the company has struck deals with both Nissan and Toyota to imp...The most common cause of a P1421 trouble code is a damaged or faulty catalytic converter. Older cars are more likely to have worn-out catalysts because of wear and tear. Factors like clogging ...1. 2024 Nissan Versa S. MSRP. $19,760. Disclosure. nissan Conditional Offers $1,500. Exterior: Brilliant Silver Metallic. Interior: Charcoal. Engine: Regular Unleaded I-4 1.6 L/98. Transmission: CVT. Location: Orr Nissan Central. VIN: 3N1CN8DV3RL866331. Stock: # RL866331. Model Code: #10114. DriveTrain: FWD. View All Features.Oct 7, 2009 · Post by Faja » Fri Nov 13, 2009 3:25 pm. This is taken from a different website on a Nissan Quest: Code P1421 means cold start control problems. Possible cause .. 1 Lack intake air volume2 fuel injector3 ECM. Car is under warranty, call the dealer and let them figure it out. Top. 2009SentraSE-R. Posts: 36. I have a 2010 Nissan Versa S 1.8. The service engine soon light came up, went to Advanced Auto to have the code checked. Found P1421 code, Cold Start Control, Short to Ground.Next type Code p1421 for Nissan versa into search box. You can type code pxxxx into search box and get answer. Anyone can buy a $19.00 dollar scanner and even comes with code list.P0301 is a fairly common trouble code with the Nissan Versa. It's an OBD2 code and indicates that your car’s first cylinder is misfiring. P0301 is certainly a cause for concern and should be considered a threat to the drivability of your Versa. Fixing P0301 should be considered a high priority. Unlike a lot ofI have a 2008 Nissan Versa 5 door, the Service Engine soon light has come on. I took it to Autozone to check the computer code, this is code. No one at Autozone knew what this meant Troubleshooting: P … read moreI have a 2010 Nissan Versa with the code P1421, is there a bulletin service for this car? asked Dec 17, 2017 by frank. p1421; nissan; versa +1 vote. 2 answers 336 views. 2010 Nissan Versa Hatchback 1.8L with engine code P1421. asked Mar 20, 2018 by kj. nissan; versa; p1421; 0 votes. 1 answer 257 views.Here’s a good P0420 diagnostic order for the Nissan Versa: 1. Check for Other Codes. The first thing you want to do when trying to fix P0420 in the Versa is to verify there aren’t any other trouble codes. Three types of codes can give clues as to what’s going on with your car. Misfire Codes.The most common cause of a P1421 trouble code is a damaged or faulty catalytic converter. Older cars are more likely to have worn-out catalysts because of wear and tear. Factors like clogging ...What if you want sex more often than your mate? Or vice versa? Too often the “deprived” partner will blame What if you want sex more often than your mate? Or vice versa? Too often ...I have the engine code P1421 on my 2009 Nissan Versa 1.8L. asked Jan 17, 2018 by Robert Carney. nissan; versa; p1421; 0 votes. 1 answer 245 views.Nissan. Code: P1421. Definition: Cold Start Emission Reduction Strategy Monitoriing (Includes Hybrid Models) Description: HYBRID MODELS CAUTION: Hybrid systems use very high-voltage battery systems. Before starting any service work involving the battery system, turn the ignition switch OFF and then remove the service plug from pocket in the …To diagnose and repair the root cause of the P0421 code in your Nissan Versa, follow these steps: Verify the code : Use a scan tool to check for the P0421 code and any accompanying codes if present. Inspect the oxygen sensors : Check the pre- and post-catalytic converter oxygen sensors for signs of damage, and use a scan tool to view …A leak in the fuel vapor hose leading from the fuel tank to the intake will throw P0442 in your Versa. Fuel Tank Pressure Sensor (If Equipped) If the fuel tank pressure sensor has gone bad, it can cause many problems, including the P0442 code. Not all vehicle’s have a fuel tank pressure sensor. You’ll need to verify if your Versa has one or ... To fix fault code P1421, start by checking the possible causes: a blocked air filter, a clogged fuel injector or a faulty fuel pump, or a malfunctioning Engine Control Module (ECM). Then, visually inspect the wiring harness and connectors for any damage. .

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