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Posted: 08/10/06
11:00 PM
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My check engine light comes on and off for about a wwek each time.I took it to the local auto parts store and they put their code scanner on itand it says PO410 Malfunction exists in secondary air injection system.1.Circuit relay defective 2.Fuse open, connector and wiring. 3.Air pump defective or hoses blocked.Truck seems to run OK. Where is the relay and fuse located as the Haynes repair manuel does not show location or show the air pump. I try to do most of my own repairs so any help would be greatly appreciated. Thanks!
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Gary_602Z
Enthusiast
| Posts: 423
| Joined: 06/06
Posted: 08/12/06
02:54 AM
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Air pump is behind the front bumper. The fuse is by the battery if I remember right. I think it is a bigger 30 amp fuse all by itself. You might want to check to see if there is a TSB on re-routing the intake hoses on the airpump. I seem to remember something about that on the S-10
Gary
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