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2000 blazer air pump issue

Old Apr 12, 2011 | 07:37 PM
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Default 2000 blazer air pump issue

I have a 2000 blazer 4.3 wih a po410 code I noticed the air pump was very noisey so I put a new one in. Same code came up several days later. any ideas? what tells the pump to run? thanks Ryan
 
Old Apr 12, 2011 | 07:46 PM
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Diagnosing the issue would be a start:
P0410 - Secondary Air Injection System

You can also run a search on "P0410" to see what other users have experienced with this issue.

The PCM tells the pump to run.
 
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