2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Air Pump Question

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Old Oct 1, 2010 | 01:40 PM
  #1  
zoomy942's Avatar
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From: Hailey, ID
Air Pump Question

I have searched and come to 2 possible conclusions... first, the explanation...

I have an 88 vert, and the exhaust smell while I am driving is more than it probably should be. I had an 88 vert once before (with only 110k miles) and the smell wasnt like this at all. So after searching and reading around.. one of 2 things is going on..

btw - the car runs prefectly fine...

It is either an exhaust leak, which, when i get my oil changed next week, im going to have them look for.

or my air pump isnt doing what it should be. i have read around and seen that the air pump helps burn up left over fuel/hydro carbons after combustion. well, my air pump has lots of miles on it.

What i'm curious about is, is there a way to test the air pump? I looked in the FSM and it says use an air gauge, which i dont have. Is there some outward sign that would tell me "yup - air pump" or no?

I'm also going to readjust the idle according to the FSM becasue apparently the cariable resistor can lean out the car too.

thoughts?
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Old Oct 1, 2010 | 08:16 PM
  #2  
florotory's Avatar
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From: Omaha, Ne
Does the exhaust sound like its leaking? I would think you could disconnect the split airpipe and feel air coming out. someone please correct me it im wrong.
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Old Oct 1, 2010 | 10:13 PM
  #3  
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From: Illinois
Maybe your FC doesn't have a catalytic converter?

The airpumps will rarely go bad. It's working as long as it's physically there spinning, pumping air away!

If you don't believe me, there is a hose behind the airpump (not the one going to the airbox). Disconnect that and you will feel air.
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