Code p1421 nissan versa

Tag: P1421 NISSAN P1421 NISSAN Cold Start Control. Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) Tech description There is a factory service bulletin for the following Nissan models: 2007-2009 Nissan Versa 2007-2009 Nissan ...

Code p1421 nissan versa. 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...

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.

Service Bulletin 121710 for Nissan ENGINE AND ENGINE COOLING | AutoMD. Chicago area 05 KC SE 4x2 FFV, smoke, 2.94 gearing. Mods: Hypertech Max Energy, JBA catback, Airaid 4" MXP CAI, Hellwig HD traction springs, 08 rear shackles, Best full street trim (5120#) 1/4 mile track time of 14.632 running Bully Dog 87+2 and S&B CAI. 1/8 mile …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, ...Labor: 1.0. The cost to diagnose the P1722 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 …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 procedure to reset light but still no luck. does this mean the ecm is faulty and needs to be replaced?Top Answer. Xavier T. February 1, 2021. When the 2010 Nissan Versa displays the P1421 error code, its a clear indicator that there is an issue with the …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. 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. Mike V. Subaru and Nissan factory t... 10,374 satisfied customers. engine light comes up and nissan mechanics tested the light with the computer. 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.

What is P1421 engine diagnostic code of 2008 Nissan Versa? Updated: 12/16/2022. Wiki User. ∙ 12y ago. Study now. See answer (1) ... What size engine does the 2007 Nissan Versa have? 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. I bought a 2008 Nissan Versa LS last month. It has 235,500 kilometres on it but the engine and transmission run quite well. ... A P1421 is a cold start issue ... O2 sensors have their own diagnostic trouble codes. Whenever you see an O2 sensor code, that's the time to change the sensor. For example, I had a P0138 code a few years ago, and had ...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 MechanicP117A Nissan Code - Cylinder A/F Imbalance Monitoring Bank 1 - Code Popularity: 29,665 Views - Repair Importance Level: 3/3 - Repair Difficulty Level: 3/3. Table of contents. Created and updated by William Orellana on Jul 26, 2019. Possible Causes; Description; How to Fix; What does this mean?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 moreWhat is dtc code p1421 nissan versa 2008 and what to do about it. p1421 is a code stored for cold start control. You will have to take it to a dealer so the can reprogram the ECM there is a service bulletin on it Read full …

Nov 25, 2012 · I went to an auto zone for the free diagnostic, and it was throwing the code P1421. It turns out there is a service bulletin for this, with the possible causes listed as follows: Lack of intake air volume (block air filter) Service Bulletin 121710 for Nissan ENGINE AND ENGINE COOLING | AutoMD. Chicago area 05 KC SE 4x2 FFV, smoke, 2.94 gearing. Mods: Hypertech Max Energy, JBA catback, Airaid 4" MXP CAI, Hellwig HD traction springs, 08 rear shackles, Best full street trim (5120#) 1/4 mile track time of 14.632 running Bully Dog 87+2 and S&B CAI. 1/8 mile …Although the most common causes of a P0420 are: (1) bad converter; (2) bad downstream O2 sensor; (3) bad upstream O2 sensor, you may want to check the mass airflow sensor. My 2011 Versa showed P0420 with increasing frequency and I tried most of the on-line suggestions. I finally replaced the converter (about $180) and that worked for …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 moreI 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 ...

Impossible kicks.com.

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. The range indicator in the cluster showed no selected range no matter what position the shifter was in. Four codes were stored in the PCM: P0706 (Range Sensor “A” Circuit Range/Performance), P0707 (Range Sensor “A” Circuit Low), P1702 (Range Sensor Circuit Intermittent) and P1921 (Range Sensor Signal). When those codes were cleared ...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 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.The range indicator in the cluster showed no selected range no matter what position the shifter was in. Four codes were stored in the PCM: P0706 (Range Sensor “A” Circuit Range/Performance), P0707 (Range Sensor “A” Circuit Low), P1702 (Range Sensor Circuit Intermittent) and P1921 (Range Sensor Signal). When those codes were cleared ...

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.Summary: NISSAN: VENT CONTROL VALVE REPLACEMENT. WHEN REPLACING THE EVAP CANISTER VENT CONTROL VALVE FOR REASON: USE THE ONE LISTED ON PAGE 2; FOR VENT CONTROL VALVE REPLACEMENT PROCEDURE, REFER TO THE APPROPRIATE SECTION OF THE ELECTRONIC SERVICE. Communication Number: …ABS (Anti-Lock Braking System) Warning. This light means there’s an issue with your anti-lock brakes. It could come on for a variety of reasons, from a faulty speed …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: 36.2018-01-10. 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 ...Found it. Cold Start Control - I rummaged around some other sites and confirmed with the dealer. Possible Causes: • Lack of intake air volume. • Fuel injection system. • ECM. The code looks to be the same for Nissan and some others. Screwbaru, according to one site, referred to the air pump :-\.To diagnose the C1726 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.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? ...It's actually under the hood. If you look from the front of the vehicle (with you standing in front of the car looking under the hood), it'll be on the right hand side of the air box facing sideways (it's actually bolted right to the strut tower perpendicular to the firewall). You need to remove the battery, then the air filter box to get to it ...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. Mike V. Subaru and Nissan factory t... 10,374 satisfied customers. engine light comes up and nissan mechanics tested the light with the computer.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?DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition. Possible cause. P2119: ETC ACTR-B1 (Throttle actuator control throttle body range/ performance)

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.

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.To diagnose the P0455 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.I have the engine code P1421 on my 2009 Nissan Versa 1.8L. asked Jan 17, 2018 by Robert Carney. nissan; versa; p1421 +1 vote. 2 answers 329 views.November 28, 2022 by Jason. One of the most common trouble codes with the Nissan Versa is the P0456 code. This trouble code references a number that is given to you when you plug your Versa into an OBDII scanner. P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is related … 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. What is dtc code p1421 nissan versa 2008 and what to do about it. p1421 is a code stored for cold start control. You will have to take it to a dealer so the can reprogram the ECM there is a service bulletin on it Read full answer. Nov 21, 2012 • 2008 Nissan Versa. 0 helpful ...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.Here are the relevant service bulletins from Infiniti:FX50. 2009-2010. Infiniti TSB ITB08048FX35. 2009-2011. Infiniti TSB ITB11007Feb 20, 2020 · 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.

Leafly black runtz.

Fort worth tx extended weather forecast.

Nissan Motor releases earnings for the most recent quarter on May 11.Wall Street analysts predict losses per share of ¥11.524.Go here to follow Ni... On May 11, Nissan Motor reveal...November 28, 2022 by Jason. One of the most common trouble codes with the Nissan Versa is the P0456 code. This trouble code references a number that is given to you when you plug your Versa into an OBDII scanner. P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is related …Jan 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 ... P2135 is a generic powertrain code that can affect any make or model of vehicle that has a "drive by wire" throttle system (almost every vehicle made today). P2135 TPS Switch "A/B" Voltage Correlation If your Nissan Versa has P2135 it is considered "drive by wire". Which means that it uses sensors and actuators to controlWhat it means code po868 on a versa nissan? Car does not asselerate whas pedal is pressed. Posted by Anonymous on Nov 25, 2013. Want Answer 0. Clicking this will make more experts see the question and we will remind you when it gets answered. Comment; Flag; More. Print this page;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.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.Code P1421 - What does Code P1421 mean? Thanks. Skip to content. Buy. Used Cars; New Cars; Certified Cars; New ... Used Nissan Versa. 381 Great Deals out of 11,741 listings starting at $600. Used Nissan GT-R. …Feb 17, 2020 · The P1421 is "COLD START CONTROL". The ECM controls ignition timing and engine idle speed when engine is started with pre-warming up condition. This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions. There are a few preliminary checks you can do here. ….

P2135 is a generic powertrain code that can affect any make or model of vehicle that has a "drive by wire" throttle system (almost every vehicle made today). P2135 TPS Switch "A/B" Voltage Correlation If your Nissan Versa has P2135 it is considered "drive by wire".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 ...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.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 ... Here are the relevant service bulletins from Infiniti:FX50. 2009-2010. Infiniti TSB ITB08048FX35. 2009-2011. Infiniti TSB ITB11007 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.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.So I started my Nissan Versa SL 08 a few days ago and noticed the check engine light was on. I went to an auto zone for the free diagnostic, and it was throwing the code P1421. It turns out there is a service bulletin for this, with the possible causes listed as follows: Lack of intake air volume (block air filter) Code p1421 nissan versa, 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 you disconnect the connector from the throttle body. Make sure that the accelerator pedal is fully released. Turn the ignition switch ON., Informations de réparation pour le code Nissan P1421. En savoir plus sur le contrôle du démarrage à froid Nissan P1421 ... Nissan Versa 2007-2009 Bulletin de ..., The service memo linked in West Rock's post shows that the fuel pressure regulator is an issue from 2007-2009. So that means one of two things, either the fuel pump changed from 2009 to 2010, or Nissan has elected to not recognize the fuel pressure regulator as an issue in the 2010 and instead recommends changing the entire fuel pump., Summary: NISSAN: VENT CONTROL VALVE REPLACEMENT. WHEN REPLACING THE EVAP CANISTER VENT CONTROL VALVE FOR REASON: USE THE ONE LISTED ON PAGE 2; FOR VENT CONTROL VALVE REPLACEMENT PROCEDURE, REFER TO THE APPROPRIATE SECTION OF THE ELECTRONIC SERVICE. Communication Number: NTB-10-061, Date: 2010-04-27. , I bought a 2008 Nissan Versa LS last month. It has 235,500 kilometres on it but the engine and transmission run quite well. ... A P1421 is a cold start issue ... O2 sensors have their own diagnostic trouble codes. Whenever you see an O2 sensor code, that's the time to change the sensor. For example, I had a P0138 code a few years ago, and had ..., Jan 19, 2018 · I would start by checking the air filter. simple as it is if it's plugged or dirty it is going to slow the flow of intake air and cause this problem. You may also need to do a relearn procedure on the throttle body. In most cases, a new ECM is not required. I have a 2010 Nissan Versa showing code p1421. Is the service bulletin for that model ... , 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. , 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 you disconnect the connector from the throttle body. Make sure that the accelerator pedal is fully released. Turn the ignition switch ON., What is dtc code p1421 nissan versa 2008 and what to do about it. p1421 is a code stored for cold start control. You will have to take it to a dealer so the can reprogram the ECM there is a service bulletin on it Read full answer. Nov 21, 2012 • 2008 Nissan Versa. 0 helpful., DTC Nissan P1421 Short Explanation - YouTube. Maxidot Nissan. 1.42K subscribers. Subscribed. 23. 6.2K views 3 years ago #diagnostictroublecode #nissan …, Repeat the following steps (2a and 2b) procedures quickly five times within 5 seconds. 2-a. Fully depress the accelerator pedal (HARD).2-b. Fully release the accelerator pedal. 3. Wait 7 seconds, fully depress the accelerator pedal and keep it for approximately 10 seconds until SERVICE ENGINE SOON starts blinking. 4., Nissan produces solid and dependable cars. However, with new versions of the Versa, Sentra, Altima, Maxima, LEAF, Juke, 370Z and GT-R made in 2020 alone, it may not be obvious whic..., Nissan/Datsun Versa S 2011 Nissan Versa - Idling problem- 2011 Nissan Versa - Idling problem- When start car idles between 1500-2200 rpm will not come down to normal idle of 500-600 rpm....When you step on gas rpm go up very slow with no power. …, What is the Cost to Diagnose the Code P1421 2008 Nissan Sentra? Labor: 1.0. The cost to diagnose the P1421 2008 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. , Summary: NISSAN: VENT CONTROL VALVE REPLACEMENT. WHEN REPLACING THE EVAP CANISTER VENT CONTROL VALVE FOR REASON: USE THE ONE LISTED ON PAGE 2; FOR VENT CONTROL VALVE REPLACEMENT PROCEDURE, REFER TO THE APPROPRIATE SECTION OF THE ELECTRONIC SERVICE. Communication Number: …, Labor: 1.0. The cost to diagnose the P1421 2006 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., I have the engine code P1421 on my 2009 Nissan Versa 1.8L. asked Jan 17, 2018 by Robert Carney. nissan; versa; p1421 +1 vote. 2 answers 329 views. 2010 Nissan Versa Hatchback 1.8L with engine code P1421. asked Mar 20, 2018 by kj. nissan; versa; p1421; 0 votes. 1 answer 248 views., 2010 Nissan Versa with the airbag light ON and the B1210 code, how do I fix the problem? Vehicle: 2010 Nissan Versa airbag; b1210; nissan; versa; 1 Answer. 0 votes . answered Nov 24, 2020 by OBDIITech (7.1k points) B1210 NISSAN - Side Collision Detection Read more: https://www.autocodes ..., P0710 NISSAN - Transmission Fluid Temperature Sensor Circuit Malfunction Read more: https://www.autocodes.com/p0710_nissan.html You may need to replaced the ..., Jan 11, 2010 · Found it. Cold Start Control - I rummaged around some other sites and confirmed with the dealer. Possible Causes: • Lack of intake air volume. • Fuel injection system. • ECM. The code looks to be the same for Nissan and some others. Screwbaru, according to one site, referred to the air pump :-\. , A P0300 diagnostic code on a Nissan Quest is caused by an engine misfire. This means that the on-board computer has detected that not all of the engine’s cylinders are firing prope..., 2010 Nissan Versa with the airbag light ON and the B1210 code, how do I fix the problem? Vehicle: 2010 Nissan Versa airbag; b1210; nissan; versa; 1 Answer. 0 votes . answered Nov 24, 2020 by OBDIITech (7.1k points) B1210 NISSAN - Side Collision Detection Read more: https://www.autocodes ..., 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 …, TrueCar has 256 used Nissan Versa models for sale in Oklahoma City, OK, including a Nissan Versa SV Sedan CVT and a Nissan Versa SV CVT. Prices for a used Nissan …, What is the Cost to Diagnose the Code P1421 2008 Nissan Altima Sedan? Labor: 1.0. The cost to diagnose the P1421 2008 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 ..., 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. Subaru and Nissan factory t... engine light comes up and nissan mechanics tested the light with the computer. It gave us code A/T P0 578 control Valve replacement., 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., 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. Mike V. Subaru and Nissan factory t... 10,374 satisfied customers. engine light comes up and nissan mechanics tested the light with the computer., 2009 Nissan Versa V4 with engine code P1421, what can I do to fix this problem? asked Dec 18, 2017 by Melissa. nissan; versa; p1421; 0 votes. 1 answer 248 views. 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; 36.8k questions 32.1k answers, 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..., 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. Mike V. Subaru and Nissan factory t... 10,374 satisfied customers. engine light comes up and nissan mechanics tested the light with the computer., Tag: P1421 NISSAN P1421 NISSAN Cold Start Control. Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) Tech description There is a factory service bulletin for the following Nissan models: 2007-2009 Nissan Versa 2007-2009 Nissan ..., Nissan TSB NTB09-116 Make: Nissan Number: NTB09-116 Title: 2007 - 2009 Versa; DTC P1421 Stored Date: 10/23/2009 Models: 2007-2009 Versa Want to view the TSB?