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Mar 13, 2005 ... Hi Everyone. I did a search on this code (P0411) on the forums and came up with "secondary air injection system incorrect flow".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).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 …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.

The AIR diagnostic uses 3 phases to test the AIR system: • DTCs P0411 and P2430 run during Phase 1. • DTCs P2430 and P2440 run during Phase 2. • DTC P2444 runs during Phase 3. In all 3 phases, testing is accomplished by comparing the measured pressure against the expected pressure.

gmtnation.com. Click to expand... I have gone through this P0411 code numerous times. I now have it again for the 5th or 6th time, with my 08 trailblazer. I replaced the relay (under driver side chassis) and seemed to work well for a month or so, now again getting code. I can hear the air pump kick in occasionally.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.

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 …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...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 → Incorrect Flow DetectedP0411 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.

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.

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 ...

2008 Chevy trailblazer 4.2l 6cyl. 235000 miles (long post, be warned) P0411-secondary air flow incorrect. System design: Service info pressure specifications are in kpa. The secondary air system consists of the air pump, plumbing and a diverter valve mounted to the cylinder head above the exhaust manifold. This is a 5 wire solenoid which has a ...Customer Concern: Code P0411; Secondary Air Injection (AIR) system incorrect air flow detected. Potential Causes: Air Injection Reaction (AIR) Solenoid. Air …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.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 ... 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)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.Dec 26, 2012 · If it does not see the short term fuel trims rise, then the PCM interprets this as a malfunction in the AIR system and a code will be recorded. Potential causes of a P0411 code include: Damaged or missing check valve AIR pump intake port plugged/damaged AIR pump clutch malfunction Holes or damage to exhaust components.

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 ...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.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 ...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.P0411 Secondary Air Injection (AIR) System Incorrect Flow Detected. Either the AIR pump or the AIR solenoid (or relay) is not switching on or off on command of the PCM. look for wiring problems first, then check the AIR pump, the AIR solenoid and the AIR relay. Bruce. 2023 Cadillac CT4-V Blackwing. Follow me on: Twitter Instagram Youtube.

rshadd. 17912 posts · Joined 2009. #5 · May 14, 2018. For the P0411, check the connector on the check valve. It is mounted on the engine and it is where the pump outlet hose connects. I think you need to remove the intake tube. The code is set when the pressure switch doesn't sense the correct pressure from the pump.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 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 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 array of malfunctions in the vehicle’s emission control system, the most popular causes implicated with this include;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.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...Customer Concern: Code P0411; Secondary Air Injection (AIR) system incorrect air flow detected. Potential Causes: Air Injection Reaction (AIR) Solenoid Air Pump Assembly Fuse Tests/Procedures: 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 …1) Check Engine Light. One of the early symptoms of a bad secondary air injection pump is the Check Engine warning light turning on. The engine control unit can automatically detect when the secondary air injection pump has a problem. Since the functionality of the air pump impacts the engine, any problem with it will activate the …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.

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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: 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.Hello all, '03 Beetle Turbo S A while back, I replaced the secondary air injection pump as it was very noisy during cold starts. There were no engine codes before I replaced it, but shortly afterwards, I got the P0411 code.The BMW P0411 code refers to a fault in the secondary air injection system, which is responsible for reducing emissions by injecting fresh air into the exhaust system. When the system detects that the flow of air is incorrect, it triggers the P0411 code. This can be caused by a variety of issues, such as a faulty air pump, a clogged air filter ...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 ...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 ...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 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. A code P0411 indicates a secondary air injection system incorrect flow has been detected. This is essentially a system of flushing clean and fresh air into the exhaust system in order to keep the catalytic converter working at its best. It’s another way we have come up with to minimize hydrocarbons and other emissions.There are plenty of reverse mortgage disadvantages to make you think twice. It's tempting to jump into a reverse mortgage. Consider the pros and cons. Part-Time Money® Make extra m...

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 seconds after start-up.Apr 16, 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 ... 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 …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.Instagram:https://instagram. autobuses tornado cerca de mi ubicacionmotel in lakeland flcuban links lyricsabc home warranty 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 ... inappropriate picsoptical illusion quilt 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 ... harbor freight butane April 16, 2019 by Jason. P0411 is a general OBDII trouble code, which means that it has the same meaning for the Pontiac G6 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.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).