P1421 bmw. Sep 8, 2005 · Thread: BMW 528i code p1421 & 1423.

P1421 bmw. If the pump starts up, replace the valve only.

1. 3 Series & 4 Series. Together with our employees, they advance all business relevant activities through the Partner Portal. 5 Series (E12, E28, E34, E39, E60) 2000 528i codes P1421 and P0171 2000 528i codes P1421 and P0171. Nov 9, 2011 · A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. com is generated by its users. George Roffe Swim: 2. Content on BimmerWerkz. Jan 2, 2009 · This is round 2, 2000 BMW 323i codes P1421 and P1423 what does this mean and how is it corrected. Jun 12, 2016 · ThomasP. This is on a 1998 BMW Z3. BMWP1421 BMW DTC P1421 Make: BMW Code: P1421 Definition: Secondary Air Injector Valve Circuit Short to Ground Description: The Engine Control Module detects a short circuit to ground when activating the secondary air injection solenoid valve. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Nov 27, 2009 · Ok, I had the same issues. Currently, we have no further information about the P1421 BMW OBDII code. Want Answer 1. Aug 22, 2019 · Description. 8L P1421 Did a visual inspection after reading some posts on this site. P1421 Secondary Air System Bank 1 P1422 Secondary Air System Bank 2 Jan 4, 2008 · A forum community dedicated to BMW owners and enthusiasts. The most common cause of a P1421 trouble code is a damaged or faulty catalytic converter. Submitted: 15 years ago. Aug 22, 2019 · Clogged Or Dirty Catalyst is the generic description for the P1421 Mitsubishi code, but the manufacturer may have a different description for your model and year vehicle. com is not in any way affiliated with Bayerische Motoren Werke AG. 485 Satisfied Customers P1421 and P1422. Dec 10, 2015 · P1421 is Secondary Air System Bank #2, which could be caused by the lazy Bank #2 O2 sensor. What actually happened was that for a long time I had a P0442 code (small evap fuel system leak) and finally had a BMW mechanic track it down. 721 views. Sep 28, 2009 · SAS Valve and P1421 / P1423 I also have had the P1421 / P1423 code. Currently, we have no further information abouth the P1421 Mitsubishi OBDII code. . Jun 5, 2010 · bimmerfest. Oct 11, 2009 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. My EML light came on last week, but waited until today to scan the car Los síntomas de un código de falla P1421 Nissan pueden ser: Control de arranque en frío; Luz de fallo de motor (Check Engine) encendida; Pérdida de potencia en el motor; Dificultad para arrancar el vehículo en frío; Causas del código DTC P1421 Nissan. To diagnose the P1421 Nissan code, it typically requires 1. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Joined Oct 29, 2015 · 2 Posts. pump still makes the whining sound when i start the car, so i think it still works. Jump to Latest Follow A forum community dedicated to BMW owners and enthusiasts. If yes, replace both the pump and the valve. 5 Series. Clicking this will make more experts see the question and The common causes of the BMW P1510 code include a faulty idle speed control valve, a vacuum leak, a dirty throttle body, or a malfunctioning throttle position sensor. Apr 5, 2014 · hi everyone, well, today i got a p1188 code, plus my p1421 and p1423 came back (a while back i changed part of the "vacuum hose" and the codes went away). 0 hour of labor. I sure this is related to my P1421, question is hope that nothing else is bad. P1421 Secondary Air System Bank 1 P1422 Secondary Air System Bank 2 2000 bmw z3 with both banks fuel trims range exceeded p1189, p0170, p0173, p0410, p1421. Jump to Latest 2K views P1421 is an OBD-II Code that refers to Cold Start Control. Oct 13, 2010 · Help Anyone! I purchased a 2000 BMW 323i in April of this yearmy first BMW ever!! Anwyays, the service engine light came on and I took it to a friend who has a friend who has a repair shop and the codes are P1421 & P1423. This means the engine control module detects a short circuit to the ground when activating the secondary air injection solenoid valve. Does it make sense to have my neighbor go to the local BMW dealer to confirm this, or can someone confirm that the P0170 is the AMM, and the P1421/1423 is the secondary air pump. Nov 6, 2010 · Hi there, Welcome to justanswer. Jump to Latest Follow Bringing the BMW community together. Aug 16, 2012 · Code P1421 and P1423. トラブルコード故障箇所推定原因 p1421 接地への二次空気注入バルブ回路の短絡（audi、フォルクスワーゲン） セカンダリエアシステムバンク1（bmw） 吸気エア低圧スイッチ回路高電圧（buick、cadillac、chevrolet、gmc） コールドスタートコントロール（infiniti、nian） evapキャニスターグロスリーク Apr 5, 2018 · On my 2000 BMW Z3 3. ca/Rate, Comment, Share, Subscribe, Let the Ads play I'm Código de avería P1421 - Código de falla OBD2. when the first start in the morning the rpm's jump up to 2 then bounce a couple of times then drops to about 900 rpm's and runs really Nov 17, 2004 · BMW Model Specific Forums. Roulez sereinement sans la peur de la panne - obd2 Mar 7, 2009 · hello again i have a 1999 bmw 540i i just finishing putting an a/c compressor in the car / all worked fine except the engine is now throwing a code p1421 and p1423 both say mfg control aux emission i … Oct 29, 2015 · BMW 528 - Code P1421 Secondary Air System Bank 2. To diagnose the P1421 Lexus code, it typically requires 1. Feb 14, 2010 · good morning. Tests/Procedures: 1. in Nov 23, 2020 · The video focuses on the basic BMW specific diagnostic error code. P1421 is a code that indicates a secondary air injection valve circuit short to ground. car drives ok but check engine light came on along with codes. 4 Miles, Bike: 112 Miles, Run: 26. I own it for the last 2 years and have been replacing shocks, bearings and many other parts that wore out over the life of the car. E39 (1997 - 2003) P1421, 1423 Secondary Air System Bank 1 . Oct 28, 2006 · 1998 E36 M3 check engine light came on a few weeks ago Autozone code reader found P1421 & P1423: BMW specific codes. Nov 1, 2011 · 7525 Secondary Air pump (SAP) troubleshooting and repair. Discussion Starter Aug 22, 2009 · A forum community dedicated to BMW owners and enthusiasts. Getting P1421 code only. Si el catalizador está dañado o no funciona correctamente, puede afectar el rendimiento del motor y Aug 22, 2019 · To diagnose the P1421 BMW code, it typically requires 1. Apr 1, 2006 · What actually happened was that for a long time I had a P0442 code (small evap fuel system leak) and finally had a BMW mechanic track it down. nonda. Diagnóstico, causas, soluciones. The check engine light came on a few weeks ago, shortly after that the transmission started acting funny. Come join the discussion about Bimmerfest events, production Jan 5, 2010 · I looked them up and used a SAE Code to BMW-Specific Code converter but I dont know how accurate that will be and this is what I found. I keep it nice, always do the oil changes, keep up with brakes, rotors, sensors, fluids and filters. I have already replaced the Secondary Air Pump and the vacuum pipe and hoses, but I read in the 5 Series forum that there is a secondary air valve that should be replaced when replacing the air pump as this valve is often the cause of the air pump failing. Customer: obd code p1421 and p1423 from mv inspection--crap or for real? car is a 1998 bmw 528 Mar 24, 2009 · BMW Model Discussions. … read more Steve Aug 22, 2019 · Description. Our suppliers contribute directly to the success of the BMW Group. Thank you ever so much Aug 22, 2019 · Secondary Air Injection System Bank 1 Insufficient Flow Detected is the generic description for the P1423 BMW code, but the manufacturer may have a different description for your model and year vehicle. Meaning. Need help!! 4966 Views 7 Replies 3 Participants Last post by refimail, Jul 24, 2009. How is the BMW P1510 code diagnosed? The BMW P1510 code is diagnosed using an OBD-II scanner. Nov 9, 2023 · When diagnosing and repairing a Volkswagen code P1421, it is important to understand the cause of the issue. Have replaced all tubing, the solenoid valve, the air valve, the pump and the relay - Answered by a verified BMW Mechanic May 18, 2008 · The code was p1423 (Secondary Air Injection Bank 1 flow too low). 2 Miles, Brag: For the rest of your life Have a 2000 bmw 328ci error codes p1423 &p1421 already replaced air pump, check valve, diverter valve. This control promotes the activation of three-way catalyst by heating the catalyst and reduces emissions. I found that the larger about 1 inch hose leading from the canistor on passenger to the air valve has a hole right were it emerges from the metal wrap and enters the air vavle. Aug 23, 2019 · Secondary Air Injection Pump Relay Control Circuit Electrical is the generic description for the P1453 BMW code, but the manufacturer may have a different description for your model and year vehicle. I've done most of the work on my car myself. Before spending a lot of money, first check to see if the rubber hose coming off the secondary air pump valve that is attached to the exhaust manifold on the passenger Oct 25, 2009 · The Intake boot is easier to replace than the valve but both are rather tricky repairs if you don't have any BMW experience. Jan 2, 2020 · According to George Hill (15 year BMW dealer mechanic) who did my 330i swap, there was an update (TSB) to eliminate the check valve. What does this mean. S. El código de avería P1421 se refiere a un problema con el sensor de presión del colector de admisión. Apr 19, 2014 · I have a 99' BMW 328i that has 168'000 miles on it. … read more Steve Mar 17, 2015 · 1997 BMW 328I 2. Clicking this will make more experts see the question and Today we're tackling the check engine light on my 2005 E46 wagon by diagnosing and resolving the secondary air system. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Algunas causas pueden ser: El catalizador está defectuoso: Esta es la causa principal del código de diagnóstico P1421. 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. thanks so much. A search of the net finds that these codes indicate low oxygen in both exhaust manifolds. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Dec 23, 2012 · My 1999 BMW 328i has check engine is on, and they has 2 code p1421/ p1422. Reply 1: P1421 Secondary Air System Bank 1 This is what i come up withp Jun 11, 2007 · E36- P1423, P1421, P0420. com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. Show More. its essential, BMW specific will give you more info as to whats going on vs a generic one. but im looking for some more information on this. even though p1188 only refers to the fuel control bank 1 sensor, i figure i might as well change bank 2. 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) My 1997 BMW 328i engine light trouble code P1421. Check the possible causes mentioned above. 0 like . I researched the web and found that on the BMW, this is the secondary air pump for cylinders 1-3 that provides air to the exhaust during warm up. Apr 26, 2010 · BMW Model Specific Forums. I have my own OBDII reader and I cleared the code twice and it has come up a third time. To fix the automobile fault code p1421, you need to follow these steps: 1. 2 days later, engine light back on same 2 codes (P1423 and P1421). Contents:0:21 Basic DTC analysis according to OBD2 protocol standard. I searched the forum, and saw P1622 is the MAP Cooling, and P1421/P1423 have to do with the secondary air pump? Jun 3, 2011 · A forum community dedicated to BMW owners and enthusiasts. Jump to Latest Follow 1 - 5 of 5 Posts. Still have questions? Jan 30, 2010 · You should look at the various BMW forums out there - bimmerforums is a good one. View Profile View Forum Posts Member Join Date Sep 18, 2012 · 2000 740. So i did started to search and do some research. However, the SES light is on, and I pulled up the DTC's P1622, P1421, P1423. … read more Steve Bypass the clog and route the air strait into the 02 sensor and solve code 1421 or clogged passage ways. Before reading my car is: 2000 BMW 323i e46, about 76,000 miles Recently my SES light came on and I had it tested at Auto Zone. This means that the secondary air system is not working properly. Please help me to find the right part to fixed my car. Currently, we have no further information abouth the P1423 BMW OBDII code. May 10, 2007 · Hello. Feb 6, 2008 · Help! with codes P1421, P1423, P0340 Jump to Latest Follow 12K views 5 replies 4 participants last post by K:^P Mar 14, 2008 Nov 23, 2006 · I'm going through the same thing (P1421 / P1423) with a '97 328i that I bought this week. When i first start the car the system were it tells you whats wrong shows me ext -37 deg f, not sure what that supposed to mean. Factors like clogging Oct 7, 2022 · What is the Cost to Diagnose the Code? Labor: 1. While it could be the fuse or the relay, it is usually the pump that dies. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Nov 25, 2012 · So I started my Nissan Versa SL 08 a few days ago and noticed the check engine light was on. Content on bimmerfest. Aug 22, 2019 · What is the Cost to Diagnose the Code? Labor: 1. 0. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Mar 18, 2009 · P0505, P1423, P1421, P1397, P0500 - Answered by a verified BMW Mechanic We use cookies to give you the best possible experience on our website. Older cars are more likely to have worn-out catalysts because of wear and tear. Welcome. answered Sep 26 Jan 11, 2010 · My 97 328i is giving a p1421 code and I can't narrow it down to what it is. P. 2 Oct 7, 2022 · Code P1421 Information for Specific Makes. Posted by markmarkmill on Mar 02, 2011. This diagnosis detects leaks in the Evaporative Emission System (EVAP) purge line using engine intake manifold vacuum. Jump to Latest Bringing the BMW community together. Bought another one off Amazon, a May 7, 2010 · Went to-day to Autozone and got codes P1421,P1423,P1470,P1510 bimmerfest. 1997 BMW 328I 2. below is how and what i did in order to find/fix the problem. From a simple google search - Google is your friend I reset the CEL and it returned with just the P1421 and P1423 code. i have a 97 bmw 528i, automatic, v6, 2wd. Aug 18, 2016 · P1413 BMW 35,Secondary Air Injection Pump Relay Control Sircuit Signal Low, P1414 BMW 35,Secondary Air Injection Pump Relay Control Circuit Signal High, P1420 Secondary Air Valve Control Circuit Electrical P1421 BMW-FC=246,81 Secondary Air System (Bank 2) P1421 Secondary Air System Bank 1 P1422 Secondary Air System Bank 2 Feb 1, 2022 · I recently got the codes P1421 and P1423 and changed the control valve and connecting vacuum line. 8L Customer Concern: MIL is on with trouble codes P1421 and P1423, for incorrect secondary airflow on both cylinder banks. E90/E91/E92/E93 (2006 Aug 22, 2019 · What is the Cost to Diagnose the Code? Labor: 1. E46 Fanatics Forum is an independent BMW enthusiast website owned and Jan 22, 2007 · I just bought a 2000 BMW 323i Sedan, and it runs like a champ. Replaced the relay, and reset the lights, everything seemed fine. Jun 25, 2012 · I Will Greatly Appreciate If You Can Give My Video Thumbs Up And Subscribe To See Future Videos Thank You Very MuchI was getting a random fault code every on Feb 23, 2010 · A forum community dedicated to BMW owners and enthusiasts. Check ebay for BMW OBDII air pump if you want a picture of what to look for. This subreddit is dedicated to DIY Guides, pictures, and discussion of the BMW 5-Series sedans produced at the… Jan 2, 2015 · Before today I only dealt with the secondary air system fault codes: P1423 and P1421. E46 (1999 - 2006) SES P1421 & P1423 and it will not stay running at idle. could not find much, but through time and effort, i was able to deduct some things. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. To diagnose the P1423 BMW code, it typically requires 1. Perform a functional test of the Air Injection Reaction (AIR) system. Secondary Air Injection Valve Circuit Short To Ground is the generic description for the P1421 Volkswagen code, but the manufacturer may have a different description for your model and year vehicle. The scanner will read the code and provide information on the issue causing the code. Apr 6, 2021 · =====Claim your FREE engine code eraser 👉 https://free. Vol. bimmerfest. If pressure does not increase, the Engine Control Module (ECM) will check for leaks in the line between the fuel tank and EVAP canister purge volume control solenoid valve under the following vacuum test condition. spreadshirt. asked Apr 5, 2018 by Barry. good morning. Posted by RAFAEL UMANA on Feb 01, 2018. Mar 11, 2006 · My check engine light came on shortly after the first part of the day, and I retrieved codes P1421 and P1423, Manufacturer Controlled Auxiliary Emission Controls Bank 1 and Bank 2, respectively. These codes keep coming back. Jul 30, 2007 · Update Z3 2000 2. Its the only code that shows up. (2000 BMW E39 528i) If you are receiving two OBD errors P1421 and P1423 it maybe your SAP system I have read several of the online manuals and Bentleys is worthless, they all gave me a headache by the time I was finished. Sep 30, 2012 · Finally, found the BMW code: "The general OBDII code is P1423 which translates to the BMW code 245, with the following explanation "Secondary Air Injection Bank 1 Flow Too Low". If you are experiencing the BMW P1421 code, it is important to understand the meaning, causes, symptoms, and fixes for this issue. After researching this site and the internet I discovered that the primary culprits for these codes is a secondary air pump (BMW part no. P1421 Secondary Air System (Bank 2) P1423 Secondary Air System (Bank 1) Dec 17, 2010 · good morning. 11 72 1 744 490) and a non-return valve (BMW part no. O. Sep 8, 2005 · Thread: BMW 528i code p1421 & 1423. 713 views. I took the car to Advance Auto and had it checked. Explore Our Forums. SAE Code P1421 BMW-Specific Code 246 Description Secondary Air Injection Bank 2 Flow Too Low SAE Code P1423 BMW-Specific Code 245 Description Secondary Air Injection Bank 1 Flow Too Low SAE Code P0301 BMW Sep 24, 2019 · How to repair P1421 Ford code Catalyst Damage. Still have questions? Oct 23, 2009 · 2007 - 2009 Versa; DTC P1421 Stored Date: 10/23/2009 Models: 2007-2009 Versa Want to view the TSB? Nov 10, 2009 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Mar 22, 2011 · BMW Model Discussions. According to Bentley its: P1421: Secondary Air System (Bank 2) I remember few months ago, when it was cold, during start-up (warm-up) I heard terrible knocking sounds coming from the right side of engine compartment. Air pump and control valve. Silver325i Discussion Starter Jul 28, 2013 · A forum community dedicated to BMW owners and enthusiasts. changed the control valve and connecting vacuum line and still get these codes. 5L with engine code P1421, I need info and how to fix this problem? 0 like . com is generated May 29, 2013 · good morning. 1:48 Insight into prog Jan 9, 2021 · Welcome to all of you who have watched the video to share knowledge about car technology, it is easier and especially help than the car that is looking for a Jul 29, 2010 · Nissan TSB NTB10-089 Make: Nissan Number: NTB10-089 Title: MIL 'On' with DTC P1421 Stored Date: 7/29/2010 Models: 2009-2010 cube Summary: The customer reports the Service Engine Soon Light (MIL) ON, and DTC P1421 (Cold Start Control) is stored in the ECM. " Input analog (0-5V) Checks to see if oxygen sensor reacts to increase in unmetered airflow generated by secondary air pump operation. Jump to Latest 3K views 2 Aug 22, 2019 · Visually inspect the related wiring harness and connectors. The P1421 BMW 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. 2. The air pump is working fine but still getting the codes. From what I've searched they are fairly comon. Mar 10, 2019 · P1421 and P1423 codes. If the pump starts up, replace the valve only. Jan 31, 2013 · My 1999 BMW 328i has check engine is on, and they has 2 code p1421/ p1422. From researching the forums, you can pretty well bet it's either the non-return valve mounted to your exhaust manifold or the air pump or both. Show More Show Less Aug 21, 2022 · any diy'er on these cars should have a scanner, preferably a BMW specific one. … read more Steve Jan 3, 2012 · You should look at the various BMW forums out there - bimmerforums is a good one. 0 dislike. Before spending a lot of money, first check to see if the rubber hose coming off the secondary air pump valve that is attached to the exhaust manifold on the passenger P1421 – BMW - CarDiag : Your Easy Car Diagnostic - Vérifiez l'état d'une voiture d'occasion avant de l'acheter. I ordered both these parts new and installed them. For the first part of the video, I bui Jan 25, 2008 · good morning. Jul 10, 2005 · P1421 Secondary Air System Bank 1 (BMW) P1422 Secondary Air System Bank 2 (BMW) - Chris Zygmunt Motors 215 348-3121. p1423, p1421, p1250, p0173, p1189. 10K subscribers in the e39 community. Pueden haber diversas razones por las que se detecta un código DTC P1421 en un vehículo. 11 72 1 744 255). Want Answer 0. Show Less . basedout. 09-18-2006, 03:45 PM #4. Sep 19, 2007 · 2000 BMW 528I CODE 1421 KEEPS COMING UP BY ENGINE RUNS FINE. mist708. Nov 2, 2011 · I got the P1421 trouble code on my 2010 nissan cube (25k miles). Category: BMW. relay ok and 50a Mar 21, 2009 · P1421 p1423 what does it mean - Answered by a verified BMW Mechanic We use cookies to give you the best possible experience on our website. Jul 30, 2014 · A forum community dedicated to BMW owners and enthusiasts. When he did the P0442 code went away but it was replaced by the P1421 and P1423 codes. Mar 2, 2011 · I got codes p0455,p1421,p1423,p0141 - 1997 BMW 328. P1340 Multiple Cylinder Misfire During Start. There is a factory service bulletin for the following Nissan models: 2007-2009 Nissan Versa 2007-2009 Nissan Versa Factory Service Bulletin OBDII Code P1421 Apr 5, 2018 · On my 2000 BMW Z3 3. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Bringing the BMW community together. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Oct 17, 2005 · P1421, 0420, and 0430. Jul 31, 2008 · If you don't hear the pump (can't speak for a Z3 but it is located ahead of the front right wheel in an e39), it is probably dead. Oct 7, 2022 · Tech Notes. Search for P1421 BMW Questions and Answers. Vehicle: 1997 BMW 328I V-6 Engine bmw; 328i 1 Answer. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Apr 9, 2011 · 1997 BMW 328I 2. Aug 22, 2019 · Secondary Air System Bank 1 is the generic description for the P1421 BMW code, but the manufacturer may have a different description for your model and year vehicle. Apr 26, 2009 · Hello guys, Two days ago my CHECK ENGINE light went on. The OBD codes came back as P1624, P1423, P1421, and P0735. Apr 28, 2011 · I have a cheap-o OBD II scanner that returned codes p1421 and p1423. I took my car to the nissan dealership at 8am and they did nothing to it. co 👈=====nonda Auto DIY Center is the biggest . Thread Tools. I bought one off eBay and it didn't go so good. $350 later he found a crack in a hose connection on a purge tank in the rear fender well area and fixed it. This code is related to the secondary air system bank 1 and can be caused by a variety of factors, including a faulty air pump, vacuum leaks, or a malfunctioning valve. SOURCE: Check engine light on 1996 328i BMW, scanner codes P1421 & P1423 go to the link below, type in the code and the difinition of that code comes up in a list as defined by each car maker. P1421 and P1423 are faults for the secondary air system malfunction on both banks, 1423 bank 1 and 1421 bank 2. Currently, we have no further information abouth the P1453 BMW OBDII code. Esto se produce cuando el sensor de presión del colector de admisión no está funcionando correctamente o está obteniendo una lectura errónea. plus codes are not removed from memory automatically, theyre stored one of 3 ways, active, CEL will be lit. On my trip today the check engine light came on, so when i had a chance I went to O'Rellys and got a free diag. To diagnose the P1421 Toyota code, it typically requires 1. I am sure it will help with all BMW to help understand the Oct 16, 2020 · ) which is displaying the following codes: P1423, P1421, P1622 I need to get these resolved before I can pass smog and register the car. inactive, CEL isnt set, but it is retained in memory for reference Causas del código DTC P1421. BimmerWerkz. Next day, yesterday, I went to local Autozone and got code P1421. A P1421 code is a manufacturer specific diagnostic trouble code related to Nissan and Infiniti vehicles that occurs when the PCM/ECM wasn’t able to monitor the engine’s idle speed and ignition timing when the engine is started with pre-warming up condition. Codes read: P1421 P1423 Mar 14, 2010 · ok so my service engine soon light turned on the other day and i got codes p1421 and p1423 so i did the research and found out it has to do with the secondary air system. P1421 Audi Secondary Air Injection Valve Circuit Short To Ground; P1421 BMW Secondary Air System Bank 1; P1421 Buick Intake Air Low Pressure Switch Circuit High Voltage; P1421 Cadillac Intake Air Low Pressure Switch Circuit High Voltage; P1421 Chevrolet Intake Air Low Pressure Switch Circuit High Voltage Fixing Code P1421: Simple Steps To Resolve The Issue! To fix the p1421 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion. … read more Steve Jan 20, 2007 · After checking out the codes, and doing some research on the forum, it appears that the secondary air pump, and air mass meter, need to be replaced. heard this loud vacuum cleaner sound, finally figured out what it was and disconnected the airpump from the bottom of it. P1421 and P1423 indicates secondary vacuum issues in the form of low readings, which usually translates into leaks via cracks in the hoses if you have not disturbed these hoses. I've done crankcase breather hose, air mass meter boot, intake manifold adjuster valve, crankcase vent valve, and intake gasket. With a 1/4in copper tubing and a pneumatic coupler o Dec 20, 2021 · 2002 BMW 330CI E46 has a Secondary Air Pump (SAP) valve that is frozen shut. Jan 11, 2009 · My 99' 740iL has been throwing codes P1421 and P1423 for a while now, I've been trying to put it back on the road and these codes have prevented it from passing the smog test. Diversos factores pueden desencadenar en el código DTC P1421 Nissan en un auto Oct 7, 2022 · How to repair P1421 2009 Nissan Altima Sedan code Cold Start Control The Engine Control Module (ECM) controls ignition timing and engine idle speed when the engine is started with pre-warming up condition. Jump to Latest Follow May 29, 2009 · Bimmerforums - The Ultimate BMW Forum > BMW Models > 5 Series (E28, E34, E39, E60, E61, F10, G30) > 1996 - 2003 (E39) > CEL P1421 and P1423 - secondary air injection PDA View Full Version : CEL P1421 and P1423 - secondary air injection I have been a BMW Technician for nearly 10 years and specialize in engine conversions, brake upgrades and race car preparation. Show Less. I went to an auto zone for the free diagnostic, and it was throwing the code P1421. Full Forum Listing. Jan 27, 2010 · I also have the same problem with the P1421 code. Feb 2, 2018 · Code p1421 0n 2000 bmw 328i - 328i BMW Cars & Trucks. Box 830414827 KingswayBurnaby, BCV5H 0A4CanadaEXOVCDS Swag: http://1060461. com is an independent BMW enthusiast website owned and operated by VerticalScope Inc Oct 7, 2022 · Description. 3 Series (E36) Cel P1421 And P1423. Jan 7, 2019 · Code p1421 code p1421 can i continue driving or need to replace a part? Car is an e39 and i have rebuilt entire cooling - Answered by a verified BMW Mechanic We use cookies to give you the best possible experience on our website. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! Oct 4, 2017 · You should look at the various BMW forums out there - bimmerforums is a good one. Jul 20, 2009 · P1421 Code. I was wondering if anyone knew or could shed some light on what this could be? I reset the code, and it stayed off the entire time the car was warm. Nov 11, 2009 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. The Engine Control Module ( ECM) controls ignition timing and engine idle speed when the engine is started with pre-warming up condition. Sep 5, 2018 · good morning. Aug 22, 2019 · Code P1421 Volkswagen Description. Jul 31, 2008 · P1421 and P1423. Currently, we have no further information about the P1421 Volkswagen OBDII code. On a preliminary cold startup the secondary air pump seemed to run for about thirty seconds and then shut off. Show Printable Version; 09-08-2005, 11:08 AM #1. pcm331 · Registered. VerticalScope Inc. xium mxm zsdvv ugpvpwrc myx iool qtnxr blao rsgkseb spldg
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