Mechanics

F150 WILL NOT STAY RUNNING

1997 Ford F-150

Engine Performance problem
1997 Ford F150 V8 Two Wheel Drive Automatic 145000 miles

I have a f-150 5.4L that has been running rough, shuttering on aceleration, and lacking in power. I had it downloaded and said the #4 cylinder was not fireing. I first changed the coil and regained power, but at idol it still missed and RPMs would surge up and down. I then changed the spark plug. After that when I went to start the engine it would only turn over, almost achieve idol RPMs and die. A total run time of aprox. 2-4 sec. If anyone has any tips or advice It surely would be appreciated!
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Lewelltoney2
September 16, 2008.




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