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2005 chevy trailblazer_ls
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73 Posts
Discussion Starter #1
The only real annoyance I've had with my '05 4.2 is the CEL lit because of a bad "secondary air pump solenoid". It's been on for a year and 20K miles because I don't have $314 to dump into the dealership for some BS part and labor. By the way, anyone know how to change this part out or how much it costs?
 
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