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P0341,P1378 worse MPGs
I just loaded the Atlas 40 FICM tune last weekend. Made a trip home from Chicago. The P1378 code was up. Figure it would go away soon with me pulling the FICM relay. Now I just went to see if it had went away and now I got P0341. Camshaft Position Sensor. I lost about 1.5 to 2 MPGs after the upload of the atlas 40. What's going on here. Is it my truck not taking likes to the FICM tune or is this just part of it. Thanks
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