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those sound like codes for a bad igniter assembly. It sends a converted signal from the distributer to the ecm and the codes sometimes send you chasing a distributer or circuit problem. It also basicaly "confirms " that there has been an "ignition event" ie, a coil firing so if its misfiring and you have a lean misfire it might be from the ecm not switching the injectors at the right time. It still might be a fuel problem, start there and move on to the more expesive parts after you ruled those out good luck
 

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just thought of something else simple to check- on the airflow sensor housing ther is a ground wire (brown with black) that should be checked to ground if it is more than a couple of ohms then you should check the ground wires bolted to the upper intake manifod bolts, in the back , where it bolts to the lower intake. also check the movement of the door in the airflow sensor and make sure it moves smooth if it doesn't then have a buddy move it open and try to start it then. If that works then you can always try to open up the sensor housing and oil it with some dielectric penetrating oil. At my work we got this stuff called pierce and its awsome for spraying on wet dist caps and wires to cure arcing to gound. Winzer sells it
 
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