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Troubleshooting codep0411 2010chevy impala

Troubleshooting code po411

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That code means that you have a, secondry air injection system ,incorrect flow detected

Posted on Jan 20, 2013

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Posted on Jan 02, 2017

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Troubleshooting code po411 2010 Chevy impala


secondary air injection incorrect flow
with out being able to hook up a scanner and see live engine data
the most common cause that i have seen is a bad solenoid sensor and a bad check valve in the secondary air pump

Jan 20, 2013 | 2010 Chevrolet Impala

1 Answer

How to clean secondary air injection incorrect upstream flow detected Code PO411


The valve may need to be replaced. Only air flows thru the components.

Jul 03, 2012 | 2008 Chevrolet TrailBlazer LT

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P0411 Code on 2007 Chevy Impala LS


changed fuel cap with no results.PO411 says oxygen sensor, but which one front or rear of catalytic convertor.

Jun 09, 2012 | Cars & Trucks

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What is scanner code PO411


code po411 secondary air injection system incorrect flow,possible causes , faulty air pump or faulty air pump vacuum valve or faulty check valve.

Apr 06, 2011 | 1999 Volkswagen Cabrio

1 Answer

Check engine code po411


This engine code is related to the secondary air injection system. First thing to check are for cracked or disconnected vacuum lines. The other items that can cause code are the air pump, air pump relay or solenoid valve. The troubleshooting procedure for this code is complicated and may require an experienced auto technician to sort out. Do a Google search for DTC P0411 Chevy to see various write-ups.
Also, when posting to this site please include as much detail about the problem, symptoms and most of all, the vehicle description.

Feb 22, 2011 | Chevrolet Cobalt Cars & Trucks

1 Answer

What does Cod # P0411 mean and a way verify


climb under the car and pull the hoses off the air pump and blow through them and then **** on them to see if they are blocked. I did that and found out that one was clogged, blow it out with my air compressor and have had no problem with it since. I also read that bad gas or gas with to low of octane will all so cause the light to come on with that code. My sport had 50k on it when it happened. Hope i could help Read more at http://www.cadillacforums.com/forums/cadillac-catera-cimarron-forum/80324-check-engine-error-code-po411.html?ktrack=kcplink

to verify, reset the light (disconnect battery) and see if it comes back

Dec 23, 2010 | 2008 Chevrolet Impala

1 Answer

I HAVE AN 2007 IMPALA LS VIN # 2G1WT55N179206343.


call your local autozone and they can tell you what you can try to fix the problem

Mar 09, 2010 | 2007 Chevrolet Impala LS Sedan New Cars

2 Answers

Diagnostic code po411


The P0410 code refers to the emissions system.
The AIR pump puts air to the exhaust to lower emissions. It takes in outside air and pumps it through two one-way check valves into each bank of the exhaust.
About 90% of the time that this code is set, the one-way check valves have worn out or failed and allow water (which occurs naturally in the exhaust) back into the pump. In any cold climate, especially in climates with higher humidity, this water may be more excessive. The water partially fills the AIR pump, it can then freeze. When the PCM commands the pump on, if the pump is frozen it cannot turn, thus overloading the circuit and "popping" the fuse.

In here you can find the Trouble Codes List:
The CODE mean P0411 Secondary Air Injection System Incorrect Flow Detected

Good luck!!!

Aug 05, 2009 | 1999 Volkswagen Beetle

2 Answers

1997 Ford SHO has check engine light on..PO411..


i would go to autozone if it is for egr valve then it is actually the dpf sensor the other codes are straight forward they will check them for free

Jul 23, 2009 | 1997 Ford Taurus

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