1999 Ford F-250 Super Duty Questions

All 1999 Ford F-250 Super Duty Questions

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Replaced intake gaskets, no change. switched COP's and no change.
When I drive down the road I will hear a grind sound like 4 wheel wants to kick in , if I turn on the 4 wheel drive it will stop. I have to drive it in 4 wheel drive or it will do this all the time it is set on auto o...
Engine was able to be remote started, when put in drive and applied gas, it stalled out. Engine will turn over but won't start. Several hours later, it started. 24 hours later, it started but stalled out going down...
I drive an early build 99 Ford F-250 SD XLT Extended cab V 8 5.4 L Gas 6 speed 4WD. When I accelerate my truck in neutral gear it losses it's power and the engine stops working .When I have high beams ,cb radio, mark...
The check engine light came on and stayed on for a day and then it went away and came back on two days later. I haven't found anything wrong with the engine. Is it just a bad sensor?
Replaced chasis wiring harness, engine harness because of badly damaged(bare) at plugs. Replaced multifunctional switch for turn signals and flashers because relay was buzzing.
How hard is it to replace, all fuses are good fan does not work
99 f250 super duty runs rough at idel give it gas engine races then a couple second tach wil drop and start running rough again and when driving the tach will bounce up and down when slowing down I replaced engine tem...
i have cut the bed floor over the gas tank {i am replacing the bed}and dont see any thing with a 3 wire electrical connector except the sending unit fuel pump assy. no other wires going to the fuel tank. i have a new ...
replaced alternator but it still isn't charging, what else could it be?