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Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.The code P0171 is a lean engine code in most cases set due to an engine vacuum leak and or some sort of unmettered air leak. Go back in and check all you vacuum lines as well as the PVC system and air intake system to make sure all the lines are secure and none are leaking.
If the light and code have not returned then you are likely okay. I would drive it some more and see if anything resets. Sounds like you may have got it resolved by fixing the vacuum lines at the air filter.
No is should not set any lean code due to camshaft timing. Lean code usually set due to an engine vacuum leak, the code P0171 is lean code.
The common cause for the code P0026 to set is in most cases caused by incorrect Cam timing.
The timing belt alignment is pretty basic , all you need to do is line the marks up. See the steps in the link below, are these the steps you used?https://dl.dropboxusercontent.com/u/104923897/Cam%20timing%20Oct%2010.pdf
They can be off by one tooth and set a code. Im not aware of any other tools you need to replace the belt. Why don't you go back and recheck the alignment and see if its lined up. With both cams set right as well as the crank, both valve on #1 should be closed.
IUsually if your lined up right on both cams the marks are spot on. You may want to consider getting a cam holding tool. Usually you don't need them but in your case it may help you hold the cams from moving. There is no draining required. I'm not getting tired of you , actually this is one of those times I wish I was there to give you some hands on help .
That what I would do, go back and liner everything back up once more and see where your marks are.
They way it mounts Im not sure it would fit any other way.
In most cases if the cam is out of time then it will not usually run let alone run well.
Are you using the holding tool?
Well I'm not sure what your doing wrong and I am out of ideas, At this point I can open the question back up for you and see if someone else has something else to add.
Opening it up now. If someone can add anything they will respond.