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Weird idle…. Surge?

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Old Mar 31, 2025 | 01:37 PM
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Weird idle…. Surge?

Hello everyone, I’m new to the OBS community and have a question. My truck idles down and back up. I don’t know if that’s considered surging. Anyways, i’ve replaced the IPR and ICP on it. New alternator and batteries. Not sure what may be drawing that’s causing it to idle down. I’ve uploaded a video for reference. Thank you in advance.
 
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Old Apr 1, 2025 | 10:02 AM
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From: Bahstun
Alt is used hard when first start up, how is it after 5 minutes?
AC on?
Oil full on engine?
 
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Old Apr 1, 2025 | 09:27 PM
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I notice it at every stop. Even after it’s warm. Same with AC on and yes, oil is good.
 
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Old Apr 2, 2025 | 08:45 AM
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IPR and IPC ford parts or aftermarket?


 
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Old Apr 2, 2025 | 11:44 AM
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Originally Posted by knottyrope
IPR and IPC ford parts or aftermarket?

The IPR is from Standard Ignition. I’m not sure what the mechanic used for the ICP.
 
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Old Apr 2, 2025 | 02:30 PM
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IPR and ICP, I would only use Ford OEM on that. Lots of people have had issues with inferior parts in aftermarket on the sensors
 
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