1999 Ford Expedition Questions

All 1999 Ford Expedition Questions

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my engine makes a loud knocking noise when in park and when I shift to drive it stops but when driving my 4x4 sensor light flashes when driving and my radio goes in and out
my radio goes out when driving and my 4x4 sensor light inside dash flashes and when Im driving and come to a stop it makes a loud fanning noise in engine. also when I turn off engine in the inside dash it makes a clic...
I was getting high idling while driving not while starting up found that the Trottle Sensor was bad again ,I had replaced the Trottle Position Sensor and Idle Control Valve back in March 2013 due to rebuilding just pu...
It will start and run normal. It will reverse but wont move forward when put it drive
All this happened just after a rain storm Getting No Codes Hesitating when taking off New IAC installed
how to trouble shoot oil leak
Flushed Twice, New coolant, New pump, New thermostat 192', New Fan cluch, overheats when A/C is turned on the Highway but not in City traffic What can be the cause of this
Vehicle misfires sometimes,Occasionally dies Tach and speedo go dead will not restart until the key is cycled fully off then back on Odometer reads only lines until restart then quit working all together,Intermittent ...
Overheating when on interstate, new thermo, new coolant do you know where the temp sensor is and if it has 1 or 2
While driving on interstate engine starts to over heat if A\C is turned on New thermostats 192' New coolant Radiator flushed
Refrigerant level good, compressor is turning, has good pressure no leaks
On the engine it is connected to the PVC tube and to the front Intake what is the other tube facing the rear going to