1999 Chevrolet Blazer Logo
Posted on Jun 14, 2010
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What is the air pump for? Sounds like an airplane when I start the vehicle. What I disconnect the pump, what affect will that have on the car's running?

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  • Posted on Jun 14, 2010
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The air pump is an emission control device. It is not going to really affect the running of your car as far as performance; however, if you live in an area where they test for emissions, it could definitely cause you to flunk an emissions test.

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  • Posted on Jun 14, 2010
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WELL AIR PUMP PURPOSE IS TO INJECT AIR INTO THE EXHAUST DOWN STREAM FROM THE EXHAUST PORTS TO HELP COMPLETE THE COMBUSTION OF ANY UNBURNED GASES AFTER THEY LEAVE THE COMBUSTION CHAMBER. YOU HAVE TO FIX ITS PART OF EMISSION CONTROL SYSTEM WOULD BE AGAINST EMISSION LAW AND YOUR VECHICLE WILL FAIL STATE INSPECTION.THEY WILL FAIL IT FOR STATE INSPECTION.

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