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Ford Raptor Forums - General Information
Ford Raptor Problems and Questions Forum
random stalling issue
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<blockquote data-quote="Gryphon313" data-source="post: 1842088" data-attributes="member: 63327"><p>Maybe. I had several more stall events captured in the log. I had to do some reading on how the FPDM, FP, and PCM interact to understand what I was seeing in the log, but it looks like everything is doing what it should do. I just can’t tell if the culprit causing the stall is being captured. The voltage to the pump drops almost at the exact same moment the Fuel Pump Monitor starts to drop off. I can see the signal to shut the FP off, but it occurs after the stall. I checked the FP Relay, and it is staying energized during and after the stall, so power is not being cut from there.</p><p></p><p>I have read that FP’s that are in their way out can overheat and shut off. Dunno. Anyway, I cleaned all the chassis grounds and swapped FPDM’s and it still stalls, so I think it’s something with the FP if it in this circuit at all.</p><p></p><p>Thanks again fellas for all the ideas.</p><p></p><p>Still no codes.</p><p></p><p>Brad</p></blockquote><p></p>
[QUOTE="Gryphon313, post: 1842088, member: 63327"] Maybe. I had several more stall events captured in the log. I had to do some reading on how the FPDM, FP, and PCM interact to understand what I was seeing in the log, but it looks like everything is doing what it should do. I just can’t tell if the culprit causing the stall is being captured. The voltage to the pump drops almost at the exact same moment the Fuel Pump Monitor starts to drop off. I can see the signal to shut the FP off, but it occurs after the stall. I checked the FP Relay, and it is staying energized during and after the stall, so power is not being cut from there. I have read that FP’s that are in their way out can overheat and shut off. Dunno. Anyway, I cleaned all the chassis grounds and swapped FPDM’s and it still stalls, so I think it’s something with the FP if it in this circuit at all. Thanks again fellas for all the ideas. Still no codes. Brad [/QUOTE]
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Ford Raptor Forums - General Information
Ford Raptor Problems and Questions Forum
random stalling issue
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