Po411 - P0411 code stands for Secondary Air Injection System Incorrect Flow Detected. It indicates a potential air flow issue in the secondary air injection system, which is used to pump fresh air into the exhaust. The web page explains the causes, symptoms, diagnosis, and repair of this code with detailed steps and costs.

 
Jan 24, 2011 ... I was getting the codes po410 and po411 now just po410. I also repaired a broken wire on the wiring harness by splicing with electrical .... Papik motors in luverne minnesota

By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect Flow Detected. The secondary air injection system injects air into the exhaust to help lower emissions. Most of the time, P0411 is going to be caused by a failure in this ...Imagine paying off your 30-year fixed mortgage five, 10, or even 15 years early. Here's how to do it! Imagine paying off your 30-year fixed mortgage five, 10, or even 15 years earl...P0411 CHEVROLET Meaning. The Secondary Air Injection (AIR) System aids in the reduction of hydrocarbon exhaust emissions during a cold start-up. This occurs when the start-up engine coolant temperature ( ECT) is between 5-50°C (41-122°F), and the intake air temperature (IAT) is between 5-60°C (41-140°F). The AIR pump operates 5-60 …Phil Davies, a British family doctor, has been attempting to sell plots of land on Mars through his website, Mars.Sale. By clicking "TRY IT", I agree to receive newsletters and pro...Apr 17, 2019 · P0411: Secondary Air Injection System → Incorrect Flow Detected. The secondary air injection system injects air into the exhaust to help lower emissions. Most of the time, P0411 is going to be caused by a failure in this pump or the one way check valve. But there can be other reasons the code is thrown as well. Had the code on for a while now, I originally had another code saying the secondary air injection valve stuck on bank one, so I replaced the check valve and the check engine light turned off for a while. A few weeks later the light came back on, this time it was the P0411 saying there's a...Trouble code P0411 points toward a problem with the flow of fresh air into the engine or exhaust system in a car or truck. It may indicate issues with the air p…Regular Price: $77.60. Sale Price: $61.96. Usually Ships Out In 2-3 Business Days. Item Code: SAN-PO410. Order Qty: Options: Select Direction of handle turn Both Clockwise OFF One Clockwise OFF One Counter Clockwise OFF. Please be sure to choose the direction of turn, both clockwise off for knobs or one clockwise and one counterclockwise off ...R. rpgibbs Discussion starter. 124 posts · Joined 2004. #1 · Jul 21, 2006 (Edited) Just got a Check Engine Light and had it read out at a local parts store and came up as a PO411 - Secondary Air Injection System Incorrect Flow. Anybody had this before and if so what is the Fix?Articles. VW 2.5 Secondary Air Injection Incorrect Flow (P0411) The secondary air injection system's job on your VW 2.5 engine is to prevent excessive emissions. A bad component in this system is almost sure to set off a check engine light. Generally the fault code would be something like "P0411 - Secondary Air Injection …There are 3 tests or phases that must be done. Luck has it that only phase 1 can set P0411 so that's a start. The pass/fail criteria for phase 1 is the scanner should read 0.7 to 1.9 PSI above BARO. Then you can move on to phase 2 and 3 tests. 2014 Equinox LTZ FWD 3.6L. V-6 (LFX)11 posts · Joined 2008. #1 · Sep 17, 2016. 2004 E46 / 330Ci / ZHP // 152Kmi. Issue: code P0411 – Secondary Air Injection System Incorrect Flow. Recently, my 330 has thrown the Service Engine Soon (SES) light which was the P0411 code. My first “fix” was to replace the check valve at the exhaust manifold. Result = “no joy” (still has ...P0411 is a general OBDII trouble code, which means that it has the same meaning for the Cadillac DTS as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect.Hi everyone, I have a 2010 Chevy impala LT with the most common trouble issue code P0411 the trouble code on the scanner says “ air injection pump incorrect flow” I have changed the pump replaced the valve in the past, and replaced the relay and I keep getting this stupid code back. chatrooms It doesn’t affect performance at all.P0411. Hey guys, I started my truck after work a few days ago and the check engine light came on immediatley. I bought a scan tool the next morning and pulled code P0411 (Secondary air injection incorrect upstream flow detected). I have reset the light twice and it will stay off until the truck sits for 6+ hours then it will come back on again ...Jun 2, 2008 · TT (Mk1) Discussion - P0411 Secondary Air Injection System Code SOLVED! - For a very long time I have had the infamous secondary air injection code thrown... ***** 16795 - Secondary Air Injection System: Incorrect Flow Detected P0411 - 35-10 - - - Intermittent... Jan 15, 2010 · Hello everyone, I've recently acquired a P0411 secondary air injection system code and have been troubleshooting it. I've researched the problem on the other forums, as well as followed the do it yourself troubleshooting from BavAuto.com. The question I have for anyone, is that when I took the injection tube off the control valve on the exhaust ... P0411 is an Secondary Air Injection Code. Other things like a faulty air pump, vacuum hose, or air solenoid can set this code. Proper diagnosis is important. On thing you can do is not to rely on the oil life monitor. Change your oil every 3K miles. Using top tier gas is also important. 2014 Equinox LTZ FWD 3.6L.Across cultures, people who believe in their own agency are happier at work. Believing in personal freedom isn’t just a philosophical balm; it seems to have practical psychological...2. Start and run the engine. Command the AIR pump motor ON, Secondary Air Injection Check Valve Bank 1 and Secondary Air Injection Check Valve Bank 2 in KPa Off on the live data screen, check AIR pressure sensor value in KPa. 3. Should have 14-25 KPa increase. This will test the output of the Air Pump.P0411 Air Injection System Incorrect Flow.Re: Dreaded Codes - P0411 - P1200 (Static--) * VW DTC 16795 (P0411) - Secondary Air Injection Reaction (AIR) Incorrect Flow Detected. For the AIR system, you need to systematically check the secondary air pump and combi-valve. More than likely it's a cracked vacuum hose on the combi-valve and the ECU sees the fault code.the P0411 code: secondary air pump failure. I searched for info on this subject for months before finally fixing this problem on our 2000 V6 3.8 and completed the repair last week for $93 and 2 hours of my own labor. If your getting this code it can be 2 things the smog pump is bad (most likely as it sits in a bad area that collects water) or ...Good day to you all, I am new to the forum and this is my first post. I have been pouring over the Ross-tech forum and the VWVortex forums the past few weeks in an attempt to troubleshoot and repair the P0411 code my daughter's 1998 VW Beetle has thrown. I found a wealth of information and went down various troubleshooting paths so far.OBD2 Code P0411 Jeep definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one of the most important inputs by the PCM for fuel control and timing. This test monitors the number of high resolution pulses ...Put the vac tubing that goes from the T fitting to solenoid in the right place. Attach a length of vac tubing to the solenoid on the nipple that should lead to the combi valve. Hold your thumb over the piece of vac tubing that should go to the Kombi valve and have a buddy start the car briefly (15-20 seconds).Hello everyone, I've recently acquired a P0411 secondary air injection system code and have been troubleshooting it. I've researched the problem on the other forums, as well as followed the do it yourself troubleshooting from BavAuto.com. The question I have for anyone, is that when I took the injection tube off the control valve on the exhaust ... DTC Code P0411: Secondary air injection system incorrect flow detected. Meaning. During cold start, the secondary air injection system allows fresh air from outside the vehicle into the exhaust system, that is, the exhaust manifolds and the exhaust ports. Nothing wrong with air pump apparently or associated fuse and relay. Took the check valve assembly off of mount (disconnected power) and sprayed out check valve with carb cleaner extremely thoroughly and remounted with all bolts, reconnected electric, etc. Cleared out P0411 diagnostic code from ECM.Valve rely was intermittent, bought a replacement for 10.01 shipped on eBay, immediately fixed it. If you have a P0411, it's worth checking the relays as the dealer could have thrown a lot of parts and a lot of my money (warranty ONLY covers valves and air pump) at the problem but it seems like everyone overlooks the relay.JANUS HENDERSON HIGH-YIELD FUND CLASS T- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies Stocks2007 chevy trailblazer_ls. Joined Mar 4, 2011. 81 Posts. #22 · Jan 18, 2014. follow up to P0411 code. when I read some of the threads about this P0411 code, they talk about replacing the valve, and pump, and sensor located UNDER the drivers side seat under the truck.2008 Chevrolet Colorado Ext Cab 3.7L I5 K&N 63-3065 Intake Denso ITV16 SuperSparks Flowmaster 40 Series Cat BackOBD2 Code P0411 BMW definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one of the most important inputs by the PCM for fuel control and timing. This test monitors the number of high resolution pulses ...Fault code P0411 is logged when the engine’s primary computer, the powertrain control module (PCM), has detected an issue with the secondary air system supply. This occurs when the flow of secondary air does not match the expected flow determined by the PCM. The secondary air injection system (SAIS) is used to pump ambient air into the ...Part 2 of 2: Install the new air pump. Step 1: Install the new smog pump. Lower the new smog pump into the vehicle and slide it into position. Step 2: Tighten the mounting bolts. Reinstall the smog pump mounting bolts and tighten them down until they are snug. Step 3: Put back the electrical connections.Mar 8, 2024 · Well, it cost me $1420 and almost a month in the shop but I finally go to the bottom of the PO411 Secondary Air incorrect flow detected code. For those wondering, this has been an issue I've been struggling with for the last 10 years. I've posted on it here. I've been to 4 different shops and 2 dealerships only to get blank looks and implied ... Jun 14, 2020 · Faulty Vacuum hoses damaged. Faulty Air Pump inoperative. Air bypass solenoid harness is open or shorted. Air bypass solenoid circuit poor electrical connection. Air bypass solenoid leaking/blocked or stuck open/closed. Air diverter valve leaking/blocked or stuck open/closed. ⚠ Check if your Mercedes-Benz have Safety Recalls. I’m pretty mediocre. I’m ashamed to admit it. I’m not even being sarcastic or self-deprecating. I’ve never done anything that stands out as, “whoa! This guy made it into outerspace...Code P0410 is set when the Engine Control Module (ECM) detects a malfunctioning Secondary Air Injection System. When this occurs, the oxygen sensor is unable to accurately determine the changes in the air levels coming from the exhaust with the air injection system running.Apr 17, 2019 · P0411 is a general OBDII trouble code, which means that it has the same meaning for the Volkswagen Beetle as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect There are 3 tests or phases that must be done. Luck has it that only phase 1 can set P0411 so that's a start. The pass/fail criteria for phase 1 is the scanner should read 0.7 to 1.9 PSI above BARO. Then you can move on to phase 2 and 3 tests. 2014 Equinox LTZ FWD 3.6L. V-6 (LFX)If you’re looking for a way to give the interior walls of your home a unique textured look, you might want to consider applying clay plaster from American Clay. Made from natural c...P0411: Secondary Air Injection System → Incorrect Flow Detected. The secondary air injection system injects air into the exhaust to help lower emissions. Most of the time, P0411 is going to be caused by a failure in this pump or the one way check valve. But there can be other reasons the code is thrown as well.The P0411 code is finally fixed. After having the wiring to the pump and the hose assembly replaced the code was still there. They checked the pump and found that it was running but not as long as it should do, thus causing the P0411 code to come up. After the pump was replaced the code finally went away.22318 posts · Joined 2009. #2 · Nov 23, 2020. It sounds like the engine was not replaced with one with the ports. Hopefully you still have access to the old engine. You might be able to get the head from it and swap it over to this new engine. But I'm not sure if there are any other parts or ports that are needed beyond that.2.4 liter chevy equinox check engine light code po411. 10. Asked by rigger71 Nov 29, 2019 at 09:44 AM about the 2014 Chevrolet Equinox 2LT AWD. Question type: Maintenance & Repair. was told at dealer head would have to …Learn the possible causes, symptoms, and how to fix the P0411 Cadillac code, which indicates a problem with the secondary air injection system.An increase of 2.4 psi. I then commanded the SAI system on (pump and valves open) with the engine running the secondary air injection pressure sensor went from 14.2 to 15.7. And bank 1 pressure raised to 15.66 and bank 2 pressure raised to 15.80. For secondary air pressure of 1.45psi and 1.48 psi. I believe that is within normal range.April 16, 2019 by Jason. P0411 is a general OBDII trouble code, which means that it has the same meaning for the Pontiac G5 as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect Flow Detected.11 posts · Joined 2008. #1 · Sep 17, 2016. 2004 E46 / 330Ci / ZHP // 152Kmi. Issue: code P0411 – Secondary Air Injection System Incorrect Flow. Recently, my 330 has thrown the Service Engine Soon (SES) light which was the P0411 code. My first “fix” was to replace the check valve at the exhaust manifold. Result = “no joy” (still has ...May 17, 2005 · Put the vac tubing that goes from the T fitting to solenoid in the right place. Attach a length of vac tubing to the solenoid on the nipple that should lead to the combi valve. Hold your thumb over the piece of vac tubing that should go to the Kombi valve and have a buddy start the car briefly (15-20 seconds). Contents. 1 16795/P0411/001041 - Secondary Air Injection System: Incorrect Flow Detected. 1.1 Possible Symptoms. 1.2 Possible Causes. 1.3 Possible Solutions. What causes the P0411 code? Air injection pump has failed. Air control solenoids or air lines are faulty. Open or short in wiring harness for air injection system. Air injection system …The PO411 code refers to a secondary air injection system malfunction in Volkswagen vehicles. This can negatively impact the performance of the vehicle, leading to decreased engine power, reduced fuel efficiency, and potential issues with emissions.P0411 is a general OBDII trouble code, which means that it has the same meaning for the Pontiac Grand Prix as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System →19 posts · Joined 2021. #1 · Jan 6, 2021. I have a 2013 Chevy Equinox 4 cylinders LT, I bought it a while ago. I bought it even though it had the check engine light on, it I didn't care about it. Then, I realized that if the check engine was on it wouldn't remote start. I checked the code and it was a p0411 By definition, the code is letting ...19 posts · Joined 2021. #1 · Jan 6, 2021. I have a 2013 Chevy Equinox 4 cylinders LT, I bought it a while ago. I bought it even though it had the check engine light on, it I didn't care about it. Then, I realized that if the check engine was on it wouldn't remote start. I checked the code and it was a p0411 By definition, the code is letting ...Jun 14, 2012 · Customer Concern: Code P0411; Secondary Air Injection (AIR) system incorrect air flow detected. 1. Watch the AIR solenoid pressure sensor voltage on the scan tool. If there is no scan tool support, backprobe the white wire at the AIR solenoid and measure the voltage to ground. We're not all raising our kids the same way. And if that wasn't apparent before the pandemic, good ole' corona, lockdowns, mask-wearing ordinances, and a fiery presi... FIX CODE P0410 P0411 P0412 SECONDARY AIR PUMP CHEVY, CHEVROLET, GMC, BUICK CADILLAC Great Car Scanner: https://amzn.to/2QmNBri Check out our Amazon Store ... P0411 is a general OBDII trouble code, which means that it has the same meaning for the Buick Lucerne as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect.More Surface Currents - A surface current can occur in the open ocean, affected by winds like the westerlies. See how a surface current like the Gulf Stream current works. Advertis...P0411 is a generic powertrain code that indicates a problem with the secondary air injection system, which reduces hydrocarbon emissions and improves fuel efficiency. The web page explains the symptoms, causes, and solutions of this code, as well as related DTCs and discussions.Fault Code: po411 (Secondary Air Injector Incorrect Flow) Vacuum issue at 2nd air injection solenoid; Combination valve replaced; Vacuum leak at turbo bypass valve causing po411 code; Other OBD2 Codes + Test Results: po139 (Oxygen Sensor Circuit Slow Response Bank 1 Sensor 2) p1118 (Man. Controlled Fuel And Air Metering)We know how hard it is to keep up. Every day brings new details—and questions—about the Equifax breach that exposed the personal information of millions of customers to hackers. It...Andreas Antonopoulos received more than 150 bitcoins in donations after being mocked on Twitter by a man known as "Bitcoin Jesus." This post has been corrected. A bitcoin personali...By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect Flow Detected. The secondary air injection system injects air into the exhaust to help lower emissions. Most of the time, P0411 is going to be caused by a failure in this ...May 3, 2022 · The P0411 Volkswagen code stands for insufficient flow on secondary air injection systems. To simply put it, this means the ECM has discovered that the airflow isn’t optimal from the secondary air injection system. It can harm the exhaustion process for the lower emission. The secondary injector focuses on breaking down the unburned fuel and ... P0411 Chevrolet Code - Secondary Air Injection System Insufficient Flow. 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. Search for P0411 Chevrolet Questions and Answers. Detected.P0401 is a code related to the EGR system. P0411 is from the secondary AIR injection system. Two different systems, two different causes. Both are part of the emission system. Either can cause no driveability issues, but they can also trigger a "limp mode" and decrease mileage/performance.P0411 ERROR CODE: MEANING, SYMPTOMS, CAUSES AND SOLUTIONS (Secondary Air Injection Incorrect Flow).In this video, we will discuss how to fix the P0411 error ...May 3, 2022 · The P0411 Volkswagen code stands for insufficient flow on secondary air injection systems. To simply put it, this means the ECM has discovered that the airflow isn’t optimal from the secondary air injection system. It can harm the exhaustion process for the lower emission. The secondary injector focuses on breaking down the unburned fuel and ... 1. Reaction score. 0. I have a p0411 code and it comes up as secondary air injection.*. I pulled the air pump and hooked it to 12 volts and it runs and no water came out either. I pulled the a hose off from the air cleaner box and it had suction from the pump.*. It wouldn't bother me except the check engine light prevents the remote start to ...We break down and look at the best traditional and Roth IRA Accounts of 2023 to see where you should invest your money! The College Investor Student Loans, Investing, Building Weal...1. Reaction score. 0. I have a p0411 code and it comes up as secondary air injection.*. I pulled the air pump and hooked it to 12 volts and it runs and no water came out either. I pulled the a hose off from the air cleaner box and it had suction from the pump.*. It wouldn't bother me except the check engine light prevents the remote start to ...Re: help on check engine code P0411? (leichen) The most common cause for that code (P0411: Secondary Air Injection System Incorrect flow) is the vacuum hose going from the valve on the firewall to the combi valve on the top of the exhaust manifold. That hose usually cracks right where it attaches to the combi valve.Well, it cost me $1420 and almost a month in the shop but I finally go to the bottom of the PO411 Secondary Air incorrect flow detected code. For those wondering, this has been an issue I've been struggling with for the last 10 years. I've posted on it here. I've been to 4 different shops and 2 dealerships only to get blank looks and implied ...FIX CODE P0410 P0411 P0412 SECONDARY AIR PUMP CHEVY, CHEVROLET, GMC, BUICK CADILLAC Great Car Scanner: https://amzn.to/2QmNBri Check out our Amazon Store ...I’m pretty mediocre. I’m ashamed to admit it. I’m not even being sarcastic or self-deprecating. I’ve never done anything that stands out as, “whoa! This guy made it into outerspace...Oct 11, 2017 · Articles. VW 2.5 Secondary Air Injection Incorrect Flow (P0411) The secondary air injection system's job on your VW 2.5 engine is to prevent excessive emissions. A bad component in this system is almost sure to set off a check engine light. Generally the fault code would be something like "P0411 - Secondary Air Injection Incorrect Flow". The Powertrain Control Module illuminates the check engine light and records DTC code P0411 when the system encounters difficulty in detecting the short-term fuel trim rise. Causes. The P0411 may be caused by an …P0411 is a general OBDII trouble code, which means that it has the same meaning for the Volkswagen Jetta as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → IncorrectFIX CODE P0410 P0411 P0412 SECONDARY AIR PUMP CHEVY, CHEVROLET, GMC, BUICK CADILLAC Great Car Scanner: https://amzn.to/2QmNBri Check out our Amazon Store ...Note: 1. The list of automotive Makes at the right edge of the screen. The currently selected ODB-ii codes is for the Toyota makes.. 2. Look up the other OBD II Trouble Codes, please use the search box.Enter the 5 character trouble …How to diagnose and repair a common fix for P0411 code on a 2008 Chevrolet Impala 3.5 liter engine.#P0411R. rpgibbs Discussion starter. 124 posts · Joined 2004. #1 · Jul 21, 2006 (Edited) Just got a Check Engine Light and had it read out at a local parts store and came up as a PO411 - Secondary Air Injection System Incorrect Flow. Anybody had this before and if so what is the Fix?By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect Flow Detected. The secondary air injection system injects air into the exhaust to help lower emissions. Most of the time, P0411 is going to be caused by a failure in this ...

GM has issued a service bulletin 18-NA-061 on P0411. GM has determined that the P0411 condition can also be caused by moisture and/or ice build up in the Secondary Air Injection system in cold climate areas.. Baystate benefits

po411

Check the air pump pressure sensor on the scan tool. Expect approximately 2.7 volts or 14 PSI (atmospheric pressure). Run the air pump with the bypass valve off and expect the voltage to increase to approximately 3.5 volts or 17 PSI. This is a deadhead pump pressure. If the pressure does not increase, check for the air pump to produce air flow.Valve rely was intermittent, bought a replacement for 10.01 shipped on eBay, immediately fixed it. If you have a P0411, it's worth checking the relays as the dealer could have thrown a lot of parts and a lot of my money (warranty ONLY covers valves and air pump) at the problem but it seems like everyone overlooks the relay.538 posts · Joined 2017. #1 · Oct 3, 2017. 2014 Terrain 2.4 71,000 miles. Anybody else have a check engine light with a P0411- secondary Air Injection System Incorrect Flow Detected? Would the fix be covered under the emissions warranty? 2014 Equinox LT2 2.4L I4 Leather heated seats, remote start, power lift gate. Save Share.I was told to replace the secondary injection pump because it wasn't up to spec . my gmc envoy has 214,000 mi and I found it was running rough and drinking m...GM has issued a service bulletin 18-NA-061 on P0411. GM has determined that the P0411 condition can also be caused by moisture and/or ice build up in the Secondary Air Injection system in cold climate areas.P0411 ERROR CODE: MEANING, SYMPTOMS, CAUSES AND SOLUTIONS (Secondary Air Injection Incorrect Flow).In this video, we will discuss how to fix the P0411 error ...P0411 Air Injection System Incorrect Flow.Labor: 1.0. To diagnose the P0411 Audi 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.P0411: Secondary Air Injection System → Incorrect Flow Detected. The secondary air injection system injects air into the exhaust to help lower emissions. Most of the time, P0411 is going to be caused by a failure in this pump or the one way check valve. But there can be other reasons the code is thrown as well.Please check out my Facebook page as wellhttps://www.facebook.com/AnR-mobile-service-LLC-412407129272858/I got a lot of interesting stuff on it and lots of r...An array of failures in the vehicle’s emission control system may result in a P0411 code. The most common causes associated with this code are as follows: The air injection pump has failed due to mechanical failure. A faulty air pump circuit or an errant air pump clutch. Air control solenoids or airlines that are not functioning properly.36 posts · Joined 2009. #1 · Jun 28, 2010. My 2000 Catera Sport has a P0411 Air Injection Icorrect flow code.When car is cold started the AIR system works.If the hose betwen Shutoff valve and check valve is disconected with Air system working, there is a lot of air comming out of Shutoff valve.If shop air is injected thru the Check valve, it ... P0411 indicates that the ECU has detected the flow from the secondary air injection system to be out-of-specification. This causes the Check Engine Light to be set and displayed on the dashboard. The light will remain on until normal operation occurs or repairs are performed. What causes the P0411 code? Air injection pump has failed. The PO411 code refers to a secondary air injection system malfunction in Volkswagen vehicles. This can negatively impact the performance of the vehicle, leading to decreased engine power, reduced fuel efficiency, and potential issues with emissions. Strong diagnostic skills are required to identify and fix the problem to restore optimal ....

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