Trucks acting up

munchie

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Its giving me these codes

p0470
p0649
p1378

these codes are coming from my edge with a2 controller.
Check engine light keeps coming on.

This is what the truck is doing. Sometimes after i start it and put it in gear and press the gas, It acts like its going to die. Kinda like a bog. Does not do this all the time. Also wheen driving and holding a speed like 45mph It does the same thing. the boost gauge will go from 10 to about 0 then back to 10. It doesn't do this all the time either. A few months back i put it in reverse and pressed the gas and nothing would happen, no reving, nada. Turned the truck off for a few and then it worked fine.


WTF!
 

DaveBen

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P0470 is Exhaust pressure sensor - Faulty sensor, open signal or short to ground. P0649 is a cruse control lamp circuit - circuit continuity. P1378 is FICM supply voiltage circuit low - Faulty circuit, fuse, relay, short to ground, charge system. All of this tells me that your batteries are not holding 14.2 volts running, or the PCM is dead and can't tell what is wrong or right. Good Luck finding this.

Dave
 

bushpilot

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a pretty weird mix of codes...not what i would call "related" symptoms
that for sure.

could be a short or bad ground...

give us some profile info...make model and year it might help
 

munchie

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MBRP Turbo back, cat delete, Edge plat with A2 controller. The edge is turned to stock right now. Next chance i get its coming off. 11" lift with 40's
 

Scot

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I have no clue about your truck. But I must say I LOVE your avatar:hail :thumbs :sweet
 

bushpilot

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pull the tuner, clear the codes and drive it....see how it runs and what
codes it throws...
 

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