hello everyone im new to this site and im hoping i can get some help. my bought my 05 gt a while back and it had a lean condition on it did a tune up and oil change on it and it went away for a while then came back replaced the coils and maf sensor the second time it came back and it was fine for a while then persisted to come back did some research and digging come to find out it jumped timing. did a timing job on it going by the ford repair manual and now it will only start and run with...

Mass Air Flow S197