Question about Chevrolet S 10
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Posted on Jan 02, 2017
Don't worry about it.
The air pump is not good for the car or the environment. It just dilutes the percentage for passing DEQ.
But it is easy to check the control valve just by taking off the small control line, and sucking on it manually. You should be able to feel the air flow in the large hose turn on and off, as you **** and release.
Posted on Aug 06, 2009
Secondary air solenoid valve:
You can get one here for less than $30.00:
Posted on Apr 07, 2010
Your code received is for the Secondary Air Injection System Malfunction.
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.
Possibly symptoms include:
A code P0410 may mean that one or more of the following has happened:
Note: There is a technical service bulletin (TSB) regarding this code for a number of GM models. The TSB calls for the replacement of the AIR pump and the installation of a new secondary injection hose. The TSB can be found on this ACDelco site (at https://docs.google.com/viewer?url=http://acdelcotechconnect.com/pdf/tsb/tsb_04D-183.pdf&pli=1)
Additionally, if you simply replace the AIR pump the problem may return again (and again). If you replace the pump, also clean out the hoses and replace the one-way check valve. If this is on a GM model that the TSB applies to, follow those instructions in the link above. In a few cases, people have put a small hole in the rubber cover on the pump which allows any water to drain out.
Also, please note that this may be covered under the emissions warranty on the vehicle. If your vehicle is out of bumper-to-bumper warranty, check if the emissions warranty is still valid!
Posted on Mar 20, 2011
SOURCE: 06/12/11 new question
Did you check to see if there is power getting to the pump? Did you check the air pump fuse? Do you have any power at the relay that you replaced? Is there any power at the combination valve? Is the computer able to ground the relay? Is the computer able to open the combination valve? Did the relay check bad? If not, why did you replace it?
The only way to effectively check the entire air pump system is with a scanner. You can perform continuity tests on every wire, but you cannot verify proper operation without a scanner. You must command the air pump on with the scanner and check to see if power is getting to the pump. Without the scanner there is no way to tell if the computer is even able to operate the relay so the pump can get the power it needs. There is most likely a broken wire or bad connector somewhere, but the only way to find this without a scanner would be to physically inspect every wire in the system manually and just hope and pray that the computer is actually sending the signal to the relay. (You will not know if it is a computer malfunction unless you physically eliminate EVERYTHING else.)
DTC P0410 sets when the PCM commands the air pump on and the combination valve open and there is no change in the oxygen sensor voltage. The problem can be in the air pump circuits, the combination valve circuits, The combination valve itself, the air pump itelf (not likely if you can get it to run with a jumper) a faulty PCM, or even rarely but possibly, clogged-up ports in the exhaust manifold. Again, a scanner is required to verify the operation of the circuits as well as to verify that the problem is fixed after repairs are made.
Please also review this article:
What Else Could Be Wrong?
Posted on Jun 13, 2011
Tips for a great answer:
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Replace the AIR pump AND one-way check valve
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Replace the AIR pump inlet hose
Replace the AIR pump fuse (found under the hood)
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