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p0191
Have a customers vehicle that is setting a P0191. Rail pressure sensor has been replaced, ran injector return rates and all checked out. Rail overflow valve also new. Looks like Dodge has updated software 2 times for same code. No way to modify parameters to stop diagnostics from running?
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Not unless you disable the code
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Do not see option to disable with EFI Live no diagnostics tab.
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Then you might look into finding the most current calibration for that vehicle and flashing it in
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I've already checked and it is at the latest and greatest. Looks like I'm SOL !!
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Inherited vehicle from local dodge dealer they threw up their hands and kicked it to the curb.
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Is the truck tuned or stock?
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