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On the PO410 code, here's a suggestion:
On cold start-up (first start of the day) have the engine hood open before starting. Start car and walk in front of the car. You should here a fairly obvious electric motor sound, almost like a vacuum cleaner is running under the hood. It will quit after about 2 minutes. If this is working you at least know the AIR injection pump works. If you don't notice this running, there is a very large fuse for it in the fusebox you should check. If the fuse is blown, more than likely the electric motor needs to be replaced.
Gilly
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