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The secondary air injection pump is working but the code that came up indicates it is bad What else could it be?
Knekos2002
The code is thrown when the exhaust system oxygen sensor does not see a stream of oxygen rich fresh air. I had the same problem and reduced the answer to a secondary air injection shutoff valve. There are two valves that are vacuum actuated, one for each manifold pipe. One valve is located on the drivers side at the front of the engine and the other valve is located on the rear passenger side near the firewall. You will have to remove the radiator surge tank to access this one. Start with the easy front one and remove the vacuum hose from the nipple. Take a spare piece of vacuum hose and attach. Using your mouth to apply vacuum and place your tongue on the end of the hose to maintain vacuum. If vacuum cannot be held then it is a diaphragm leak and cannot be fixed. If this works, do the same to the rear valve. Unfortunately this was my failed valve. This valve corresponds with the right side and is part number AC Delco 214-2114. It comes with the convoluted pipe that connects to the exhaust system but I removed it and used the existing in place pipe as it was near impossible for me to access the fasteners. If this is your problem, then compare the price at AC-Direct through Amazon. This is where I purchased my part.
Note: Left side part number is AC Delco 214-1940 The above response assumes that the existing vacuum hoses are not leaking and that the vacuum solenoid valve is working (rarely the problem).
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While the question doesn't make much sense, the secondary air injection system on a cobalt is fairly simple. If you could give an exact code the answer would be much easier to figure out.
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There is a common local reaction to the vaccines that causes pain at the location of the injection and sometimes when moving the arm. However, this is typically gone in a few days' time. If it has been 3 weeks, you should consult your doctor, there could be a secondary bacterial infection at the site of the injection or other reason for the pain that could and should be treated.
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Could you list some secondary jobs?
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if you have a hangover while you get the whooping cough injection you will have a reaction which could be something like fainting or it could be as bad as a fit. the safest way to avoid it would be to get the injection with no alcohol in your system. if you are not positive it would be to check with your doctor the night before.
