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2008 chevy cobalt 2.2l secondary air injection system switching valve stuck open how do I fix this problem

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Posted on Jan 02, 2017

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SOURCE: Secondary air injection system shut off valve stuck open

secondary air injection system shut off valve stuck how to fix it

Posted on Jan 08, 2010

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SOURCE: po411 code on a 2008 chevy impala lt can anyone

there is no po441 code on this vehicle there is a p0442.

Posted on Jan 11, 2010

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SOURCE: 97 Jetta Secondary Air Injection System Incorrect Flow

the air pump is located on the engine towards the front of the vehicle and has apx. 3/4 diameter pipes running to and from it. it is apx. 2 fists in size and it is black plastic. one of the lines on top of the air pump runs to the other side of the engine towards the firewall. at the other end of that pipe is the valve. disconnect that pipe while the vehicle is running. no air out of the pipe means bad pump. air coming out of the pipe means bad valve

Posted on Feb 13, 2011

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SOURCE: I have a P2442 code

This code indicates the secondary air injection pump may not be working correctly. The pump is located on the front passenger side wheel well. Turn the front wheels sharply to the right and remove the plastic cover on the wheel well. Don't waste time trying to preserve the plastic clips. It takes a special tool to remove them and it is easier to purchase new clips at Auto Zone for $3.99 a pack.

The pump is bolted on using three 12mm bolts. Remove the inlet tube and exhaust hose from the pump. The pump is wiring is connected directly to the motor with a two foot extension. The cable is feed through the same hole the outlet tube is in the fender well. It is terminated into a simply connector located on the front passenger side of the engine.

Remove the motor from inside the fender well. Remove the bolt located in the center of the plastic cover. Remove the bolts located on the corners of the housing. Inspect the blower for wear and moisture. Clean as necessary. Attach an extension wire to your battery. Please use caution before attaching them to the fan wires. The fan spine at high RPM's and it may startle you at first. Obviously if the fan turns it works move forward. If it doesn't there may be binding, carrions, or the motor is burned out. Inspect and repair. The worst case scenario is the small motor may need replaced.

This project will take about 2 hours to perform but it is worth your time verses the cost the dealer will charge you.

On a technical difficult scale of 1 -10 ten being the highest....this procedure is about a five.

Posted on Jun 01, 2011

  • 1 Answer

SOURCE: secondary air injector system switching valve is

I have been having this problem with my car for the past 3 months, I have invested about 700, not including mechanic fees. If you have found a way to fix it please let me know

Posted on Jun 10, 2011

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1 Answer

Find the sensor code P2430


DTC P2430 : Secondary Air Injection (AIR) System Pressure Sensor Circuit
Circuit/System Description
The secondary air injection (AIR) system aids in the reduction of hydrocarbon emissions during a cold start. The system forces fresh filtered air into the exhaust stream in order to accelerate the catalyst operation. An electric air pump, the secondary AIR injection pump, provides filtered air on demand to the AIR control solenoid valve/pressure sensor assembly. The AIR control solenoid valve/pressure sensor assembly controls the flow of air from the AIR pump to the exhaust manifold. The AIR solenoid relay supplies the current needed to operate the AIR control solenoid valve/pressure sensor assembly. A pressure sensor is used to monitor the air flow from the AIR pump. The engine control module (ECM) supplies the internal pressure sensor with a 5-volt reference, an electrical ground, and a signal circuit.

Sep 14, 2015 | 2008 Chevrolet Chevrolet Cobalt LT

1 Answer

I have a service engine soon light on and have hooked up an OBD11 reader to it and got code P0410 pertaining to a secondary air injection problem. hoses are fine, pump is new.


P0410 Oldsmobile - Secondary Air Injection System Malfunction

Possible causes: - 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

Tech notes: Visually inspect AIR pump and AIR bypass valve harness and connector, if connector are OK, then replaced AIR bypass valve.

When is the code detected? The secondary air injection system does not detect the presence of air in the exhaust when introduced by the secondary air injection system.

Possible symptoms: - Engine Light ON (or Service Engine Soon Warning Light)
- Engine hesitation

P0410 Oldsmobile Description An air pump is used on the vehicle to lower tail pipe emissions on start-up. The Powertrain Control Module (PCM) grounds the Air pump relay control circuit which energizes the Air pump. The PCM also grounds the Air combination valve vacuum control solenoid circuit, which energizes the Air vacuum control solenoid. Vacuum is then applied to both Air combination valve diaphragms which opens the shut off valves. The PCM enables both circuits simultaneously when Air system operations id desired. When the AIR system is active, then Air pump forces fresh air into the exhaust stream in order to accelerate catalyst operation. The AIR combination valves replace the conventional check valves. When the AIR system is inactive the shut off valves prevent air flow in either direction.
P0410 Oldsmobile Secondary Air Injection System Malfunction

May 30, 2015 | 2001 Oldsmobile Intrigue

1 Answer

Check engine light on with code p2440


That code is related to the Secondary Air Injection System (SAIS) switching valve being stuck open. This valve is located on the passenger side of the engine mid position.

Feb 01, 2014 | 2008 Chevrolet TrailBlazer LT

1 Answer

Newly installed EGR Valve stuck open


A code P0411 means that there is insufficient flow in your secondary air injection system, this is totally separate from the egr (exhaust gas recirculation) system. Has the vehicle been re-scanned? You should also know that if an egr valve is stuck open, the vehicle would be almost un-driveable, as it would create a huge vacuum leak.
If the same code is coming up, I would take a very close look at the hoses going to and from the injection pump. Check for any kinks or damage.

Feb 08, 2013 | 2007 Chevrolet Cobalt Coupe

1 Answer

Abs code PO411


That is not an ABS system code, it is a powertrain fault code.P0411 - Secondary Air Injection System Incorrect Flow Detected, most common cause is a failed electric motor in the air injection pump.
The pump is under the hood.
Other Possible causes- Faulty Vacuum hoses damaged
- 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

Sep 14, 2012 | 2008 Chevrolet Trailblazer

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

2 Answers

Grand Prix pontiac error code p0411 and p2440


P2440 refers to the Secondary Air Injection system. It means that the switching valve is stuck open. We already replaced the secondary air flow pump, now it's telling us that's its the secondary air flow sensor and the valve is stuck open. the code is coming up P2440

Oct 15, 2011 | 2006 Pontiac Grand Prix

1 Answer

What does engine code p2440 indicate?


P2440 Secondary Air Injection System Switching Valve Stuck Open Bank1

Problem is usually the air switching valve that operates the air line coming from air intake to air pump, clean it or replace it.

Here a bulletin.

Aug 11, 2010 | 2007 Chevrolet Cobalt Coupe

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