Engine computer wont hold memory
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New User
Joined: Jan 2010
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Engine computer wont hold memory
I have a 1996 f 150 with the 5.0 motor. Everything passes smog except it cannot connect to the computer. Took it to a guy and he said that after sitting the computer drops its memory every time. Anyone have any ideas? Ive been trying to find a computer at junk yards but no luck
New User
Joined: Jan 2010
Posts: 24
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if that fuse is good u have 3 more fuses to check some under hood by battery other under dash.Also check the obdII port for power u may have just a ground problem with port. check each pin with a simple test light u should have power at some ports with key off. the computer stores almost everything even after sitting the only way it should rest is to unhook battery for abit. if u do rest computer when you restart truck let motor idle tell warm so the computer can remap itself
