Po411

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 …

What Does Code P0411 Mean? The secondary air injection (AIR) system aids in reducing hydrocarbon (raw fuel) tailpipe emissions during a cold start. An electric air pump draws fresh air and pumps it into the exhaust in order to accelerate catalytic converter operation.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...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 ...S. slow323ci. 6519 posts · Joined 2002. #10 · Aug 31, 2006. The air pump is an emissions device but only 3 major emissions devices are covered under the federally mandated 8 year, 80k mile emissions warranty - catalytic converters, the ECU, and the OBD system. All other components are covered under the regular 4 year 50k mile warranty.2472 posts · Joined 2017. #2 · Mar 4, 2020. 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 ...According to the GM service information, the Secondary AIR system will set code P0411 when both the AIR pump and AIR solenoid are commanded ON but the system pressure falls outside the expected 0.7-1.9 PSI above the BARO reading. Your reading of 16 PSI while operating falls just within range (1.8 PSI).2008 Jetta 2.5, throws code P0411 Secondary Air Injection System Incorrect Flow Detected. I've jumpered the air pump relay. Pump blows Replaced the Combi valve. All hoses are in good shape. I have a copy of VCDS and the OBD cord. I am located in North Dakota. Answered in 10 minutes by: VW Mechanic: Wolfgang.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 ...

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.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.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 Flow Detected2. 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.Re: p0411. Pull the hose off the Secondary Air Injection CHECK valve. If it has water or shows signs of wetness replace the valve. The valve is leaking and letting water in the system from the exhaust. All so with the hose off and cold. Start the car and see if you have a lot of Pressure coming from the air pump. 7 out of 10 it’s the check valve.P0411 code. So my girl has a 2014 impala 2.5. Throwing the p0411 code. Went to my buddies garage he said they went through and changed and cleaned the "sai plugs" too the manifold off etc said there was a ton of carbon cleaned out of it etc. The light was cleared told us to drive 50 miles to clear it and come back to get it inspected.P0411 is a diagnostic trouble code for secondary air injection incorrect flow detected. It means the PCM does not detect an appropriate drop in the voltage from the O2 sensor, which indicates air being injected into the exhaust stream. The problem can affect emissions and drivability. Learn how to diagnose and fix it with this guide from Advance Auto Parts.

Perhaps the bad coolant sensor caused the secondary air injection system to malfunction and throw a code, or maybe the system just fixed itself (i doubt it). Point is that if you are throwing the P0411 code replace your coolant temp sensor, its only $37 from VW and you'll need some coolant but it only takes about an hour or two and may fix P0411.Sep 27, 2016 · P2430, P2431 & P2432 Secondary air injection (AIR) system pressure sensor faults – P2430 may set along with P0411 as it is a generic failure of the Secondary AIR Pressure Sensor. P2431 and P2432 are unlikely to set along with the P0411, as their requirements to set are entirely different. P0418 Secondary air injection (AIR) system Pump ... When a P0411 fault code for your VW pops up on your OBD scanner, it leads you directly to the secondary air injection system because it will read “Secondary Air …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.

Wordscapes level 1124.

Jan 19, 2014 · 2011 Malibu 2.4 Ecotec P0411 code. Jump to Latest Follow. 33K views 9 replies 5 participants last post by TheSilverOne Jan 21, 2014. M. mn_powderhound Discussion starter. 3 posts · Joined 2014. #1 · Jan 19, 2014. The dealer tells me this code is for the secondary air valve and they want to charge $365 to replace it. Apr 4, 2018 · A common issue with GM, VW and Audi vehicles are air injection flow codes like p0410, p0411, and p0412. Pocket Scan Tool: https://amzn.to/2GDzc2zVW Air Injec... Labor: 1.0. To diagnose the P0411 Volkswagen 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 is a diagnostic trouble code for secondary air injection incorrect flow detected. It means the PCM does not detect an appropriate drop in the voltage from the …

1impalavision1. P0411.....Possible causes.... A partially blocked or leaking AIR system A malfunctioning AIR pump A malfunctioning AIR control solenoid valve/pressure sensor assembly A malfunctioning AIR pressure sensor A restricted exhaust system, forward of the catalytic converter A malfunctioning AIR pump and AIR valve …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 ...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". OBD2 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 ...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... Dec 10, 2019 ... I took it to dealership and was told that the system is operating normally but that the port has a carbon buildup and needs to be cleaned. They ...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".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 Does the Engine Code P0411 Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "0" in the second position means that this is a generic OBD-II (OBD2) DTC. "4" in the third character position in a DTC indicates that the auxiliary emission controls system is ... National Highway Traffic Safety AdministrationJANUS HENDERSON HIGH-YIELD FUND CLASS T- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies Stocks

S. slow323ci. 6519 posts · Joined 2002. #10 · Aug 31, 2006. The air pump is an emissions device but only 3 major emissions devices are covered under the federally mandated 8 year, 80k mile emissions warranty - catalytic converters, the ECU, and the OBD system. All other components are covered under the regular 4 year 50k mile warranty.

Re: Code p0411 2013 Chevy equinox. by kev2 » Sat Feb 23, 2019 9:22 pm. that TSB is for 2.4 LEA engine.... I really think it will be a wiring issue BUT TSB came up looking. 6 posts • Page 1 of 1. Return to “GM: Chevrolet, GMC, Buick, Cadillac”. Who is online. Users browsing this forum: and 0 guests.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 ...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 ... 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 ...Apr 17, 2019 · 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 ... Jan 19, 2014 · 2011 Malibu 2.4 Ecotec P0411 code. Jump to Latest Follow. 33K views 9 replies 5 participants last post by TheSilverOne Jan 21, 2014. M. mn_powderhound Discussion starter. 3 posts · Joined 2014. #1 · Jan 19, 2014. The dealer tells me this code is for the secondary air valve and they want to charge $365 to replace it. P0411 Diagnostic theory for Shops and Technicians. When a code P0411 is set, the PCM is not seeing the front oxygen sensor voltage drop sufficiently when the Air Pump is supposed to be adding outside air in to the exhaust system to burn off the excessive HCs and CO that are created during the cold start of an engine. According to the GM service information, the Secondary AIR system will set code P0411 when both the AIR pump and AIR solenoid are commanded ON but the system pressure falls outside the expected 0.7-1.9 PSI above the BARO reading. Your reading of 16 PSI while operating falls just within range (1.8 PSI).

2 week forecast orlando florida.

Fun time chica.

Hey All, I recently was trying to diagnose a P0411 MIL on my 1997 Mustang Cobra and had ZERO luck finding solutions on the forums. So after painstakingly going over this super obscure emissions system, I figured I'd cover my process as well as include a diagram of the airlines that make up the Secondary Air Injector System.Trouble Code: P0411. Secondary Air Injection System Upstream Flow Detected. Possible Causes: Air pump output is blocked or restricted AIR bypass solenoid is leaking or it is restricted AIR bypass solenoid is stuck open or stuck closed Check valve (one or more) is damaged or leaking Electric air injection pump hose (s) leaking Electric air ...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)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...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.To diagnose the P0411 Volkswagen 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. National Highway Traffic Safety Administration 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.Malfunction Indicator Lamp (MIL) Illuminated for LEA Engines - DTC P0411 Set. North America, Middle East, Israel and Thailand. Some customers may comment that the Malfunction Indicator Lamp (MIL) is illuminated. The Technician may find DTC P0411 (Secondary Air Injection System Incorrect Air Flow Detected) set in the Engine Control Module (ECM).Jun 29, 2023 · Plug in an OBD Scanner to confirm that you have a P0411 code. Visually inspect the J299 relay associated with the secondary air injection system in the ECM housing and make sure it isn’t blown. Visually inspect the secondary air pump. Visually inspect the hoses/pipes attached to the air pump. Visually inspect the Combination valve. ….

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 02 VW BEETLE 1.8L T, DTC P0411, COMBI VALVE / SECONDARY AIR INJECTION PUMP CHECK VALVE JOBFOLLOW ME ON INSTAGRAM: @HMARMOBILETECHWANNA EMAIL ME: DEADGUY12345...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 ...P0411 is "Secondary Air Injection System: Incorrect Flow Detected" which usually means the vacuum line to the combi-valve is leaking. The most common issue is that the combi valve either freezes open or closed. you can test this by applying vacuum directly to the combi valave and trying to blow through it at the same time.2011 Malibu 2.4 Ecotec P0411 code. Jump to Latest Follow. 33K views 9 replies 5 participants last post by TheSilverOne Jan 21, 2014. M. mn_powderhound Discussion starter. 3 posts · Joined 2014. #1 · Jan 19, 2014. The dealer tells me this code is for the secondary air valve and they want to charge $365 to replace it.P0411 Air Injection System Incorrect Flow.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 ...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... Po411, 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., So I have been driving around with the check engine light on for a Secondary Air Injection System fault. Code: P0411 Secondary Air Injection System Incorrect Upstream Flow Detected. Turns out the check valve between the air pump valve and the tube that splits the air flow between the two exhaust manifolds was bad., Jun 18, 2009 ... I've got this code that keeps coming up could this be the air flow meter? As it says incorrect flow detected (secondary air injection ..., I have a 2006 Trailblazer 4.2 with a code p0411 that keeps coming back. Have replaced pump, valve and hoses. system seems to function exactly as it should. hello, my name is ***** ***** I will be glad to assist you. please allow me a couple of minutes to gather some basic info., 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., 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., Step to take to get the p0411 problem fixed... Find the defective smog part, make the proper repair and reset the ECU. Once this is done, the check engine light will turn off. Your vehicle will then need to be driven for 200-300 miles (drive cycle) over the course of a few day and in both city and highway traffic conditions in order to set the ..., 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..., 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., OBD2 Code P0411 Jaguar 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 ..., The Check Engine Light (MIL) is on and fault code P0411 (16795) is stored in the fault memory. The secondary air injection (AIR) system blows air into the exhaust, behind the exhaust valves, via a passage in the cylinder head. This extra air injection takes place on a cold engine (5°-33° C engine coolant temperature) for about 100 seconds and ..., 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 ..., 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., Contents. 1 16795/P0411/001041 - Secondary Air Injection System: Incorrect Flow Detected. 1.1 Possible Symptoms. 1.2 Possible Causes. 1.3 Possible Solutions., When the AIR system is inactive, the closed AIR control/shut-off valve prevents air/exhaust flow in either direction. The AIR system pressure sensor is used to monitor pressure at the AIR control solenoid valve/pressure sensor assembly inlet during the commanded ON/OFF states. P0411 Pontiac Code - Secondary Air Injection System Insufficient Flow., 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., 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), 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., OBD2 Code P0411 Jaguar 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 ..., Contents. 1 16795/P0411/001041 - Secondary Air Injection System: Incorrect Flow Detected. 1.1 Possible Symptoms. 1.2 Possible Causes. 1.3 Possible Solutions., 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., Jan 6, 2021 · 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 ... , The secondary air injection pump can often leak on VW and Audi 1.8T engines. The leaking of this pump or other bad components in the secondary air system ma..., 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 ..., 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., 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..., 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 ..., Sort by Oldest first. Michael Lau. 21 posts · Joined 2022. #2 · Apr 2, 2022. DTC: P0411 Secondary Air Injection System Incorrect Flow Detected. Check this part of the engine.It will run about 20sec in cold start.You can run test program on odbII anytime. My Cars:2017 Macan GTS. 2021 Audi S5 B9.5 Blue (EA839 3.0T), P0411 is a general OBDII trouble code, which means that it has the same meaning for the Chevy Trailblazer 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, 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 …, 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., 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 ..., 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 ...