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alright so i fixed one problem on a 2003 ford f350 with 6.0 the pcm was fault creating no boost. Now the truck has lots of power but now there is a light on on the far right hand side of the cluster looks like a filter with 2 slanted lines on the left side and a areo pointing towards to passenger side i dont have the owners manual where can i find a site or if some one has a pic of all the idiot lights with names next to them but i am concerned with the one stated above if any one can find for me.
That is the air filter light. It is telling you that your air filter is clogged. It is found in the diesel supplement to your manual, not in the regular manual. Change the filter and reset the sensor. Funny too, if you look at the board inside the cluster for that LED it is labeled as "OIL CHANGE". I guess Ford was going to put in an oil change indicator but realized it would lead to more problems and just made it the filter light.
The manual states that it is okay to drive up to 250 miles with the light on without causing trouble.