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secondary air pump
Hello everyone!....new to the site! My question is in reference to the secondary air pump. Driving a manual 3.0i and began to see the SES light approx. a year ago intermittently on/off. After diagnostics the stealer said the pump needed replacement. My questions are these:
1) I can still hear the pump operate first 30 sec. of cold start-up with no change in sound since purchase....does this mean the whole pump needs replacement or is there a valve that might not be functioning?
2) Am I damaging my cat. converter and o2 sensors if the pump is not functioning like it should?
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