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Old Feb 7, 2026 | 01:02 PM
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Normt18101
Joined: Dec 2025
Posts: 7
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Default Re: P0410 code check engine light

Thank you zip439 for your response.
Thanks for the clarification on the blue collar connected to the solenoid. I did check the vacuum at the the drivers side switchover valve and there is vacuum as well as the passenger side switchover valve at cold start when the pump is running. Cannot get a reading of 02 sensors while pump is running, scan tool takes too long to set live data. The readings I gave you reflect about 10 to 15 seconds after pump has shut down.
passenger side .080 - .750volts
Drivers side .110 - .650 volts
​​side. Please let me know what you think.

Thanks
Normt18101


 
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