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working on a friends truck. completely all stock 2005 lly with 165,000 miles.
fuel filter, intake filter are good. truck reads p0101, p0102, p0229, p0401,p0404.
I drove the truck, very sluggish an smokey. No power, so i plugged in my cts and reading no boost. deleted all the codes and watched the readings on the mass air flow sensor an seems to functioning fine. watched the map sensor and got zero boost. truck had very good oil pressure, so i am guessing that the actuator is working because it is ran off from oil pressure.
Any other things i should check before before i change the vane position sensor?
fuel filter, intake filter are good. truck reads p0101, p0102, p0229, p0401,p0404.
I drove the truck, very sluggish an smokey. No power, so i plugged in my cts and reading no boost. deleted all the codes and watched the readings on the mass air flow sensor an seems to functioning fine. watched the map sensor and got zero boost. truck had very good oil pressure, so i am guessing that the actuator is working because it is ran off from oil pressure.
Any other things i should check before before i change the vane position sensor?