1993 f-150 changed o sensor,ran 2 min. died

I cant get this truck to keep running.The oxygen sensor has been changed.When you try to start the truck it wants to turn over but acts like its not getting
fuel.Sputters real bad.New ignition switch.If you hold the ignition down it seems like the truck will stay running but real sluggish. :? Please help if any one can.
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On Fri, 21 Oct 2005 20:31:57 -0500, snipped-for-privacy@sbcglobal-dot-net.no-spam.invalid (mulman) wrote:

When you change the O2 sensor, you sometimes need to disconnect the battery for 10-20 minutes to clear the ECM of all it's "learned" data. When you restart it, it will operate from a base map while it relearns the engine's operating parameters. When you restart it after clearing the ECM this way, allow it to start w/o touching anything and idle for a couple of minutes until it goes into closed loop operation. (The idle will drop). give it about 10 minutes this way and then shift the trans into it's positions for a few seconds each to let the ECM learn the idle parameters and then drive it around a few minutes. It should behave well but, may take a couple of days driving to completely relearn all the engine's parameters.
If you still have problems, you will need to fet the ECM scanned for any fault codes that may have been generated. They may give you some good info to aid in diagnosing the problem. Many parts stores can and will read the fault codes for free. If you do this, write down the exact code and any description. Someone here can probably help with a bit more information.
Lugnut
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