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Message: [QUOTE="6.0 Tech, post: 1567117, member: 23001"] Ok, that’s normal, when you did your boost leak test, how did you do it? And is the egr still on the truck? Including a cooler that flows exhaust? If so, I’ve seen egr valves leak, that don’t really show up on the computer, but a pressurized boost leak test, you can hear air from the tail pipe. Also seen quite a few lately that the valve is leaking externally, like from where the metal is crimped around the plastic at the top, or the cardboard gasket where it seals to the intake. Another thing to check would be fuel pressure, make sure it never drops below 45psi, even on a hard pull. Seen plenty that putt putting around town are fine, but once some fuel is demanded it’ll drop to 10ish and kinda fall on its face. Sent from my iPhone using Tapatalk [/QUOTE]

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