Thread: engine noise - maybe pump?
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Old Jul 17, 2008 | 01:02 PM
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BushPilot
Joined: Aug 2006
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Default Re: engine noise - maybe pump?
It is probably the Air Pump. When my air pump relay went bad I unplugged the airpump and I would only get a CEL after long freeway drives. The CEL light never came on on short drives.
 
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