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Old 04-29-2010, 11:40 AM   #1 (permalink)
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secondary air pump?

My engine light came on recently and when I had my fellow club memeber/ mechanic check it out, after everything was said and done..it was the secondary air pump... it was gonna cost like 350.00 which I didn't have @ the moment... so he told me it serve any purpose at all (which I have a hard time to believe)... I need some input becouse my engine light would come on and go off just becouse of that secondary air pump....I aslo found that a lot of members of the inc clubs just take them off.

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Old 04-29-2010, 11:46 AM   #2 (permalink)
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The pump can be disconnected and disabled. GM has a program that we use to update the computer to delete the air pump from programming. This way its not in the system and you do not have to physically remove it. There is also a Federal emissions sticker that needs to be placed where visible to avoid any problems in emissions states.

Right now you can unplug the pump or remove the fuse for it.

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Old 04-29-2010, 11:52 AM   #3 (permalink)
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So basically it serves no purpose...

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Old 04-29-2010, 11:56 AM   #4 (permalink)
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By now the only purpose it serves is dead weight. When it was new it used to be part of the air injection system. Most at this age no longer function and are usually full of rocks/gravel and dirt.

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Old 05-23-2010, 02:28 PM   #5 (permalink)
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Took mine off.... working on the EGR delete as well. Dead weight is right! Remove the piping & buy a couple of plugs. On my way to NAPA to get mine. ;)

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Old 04-02-2011, 07:34 PM   #6 (permalink)
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Question

What size plugs did you use for the air pump delete as well as the pulley for the air pump? I don't have a need for it being that I am about to put long tube headers on my 95 Impala with no catalytic converter. Thanks for the help regarding this matter. Also what did you do for the ERG delete?

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Old 04-02-2011, 10:38 PM   #7 (permalink)
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The 94-96 Air pump is electronic, meaning, no pulley. Mid way through 95, they switched to a different style air pump fitting at the exhaust manifold. The manifold threads are different as well. We would need to know which style fitting the 95 has, first.

For the EGR delete on 94/95's, you just put a plate on the intake, and the exhaust manifold. Stops working, and no CEL.

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