Check the engine oil level. If low, add oil. If not, then something wrong with sensor.
how do you set or check the timing on a 99 ford expedition?
On a 1999 Ford Expedition : The Mass Air Flow sensor is between the engine air filter and the large diameter engine air intake tube ( it is INSIDE a round shaped plastic housing )
Check Fuses, Replace Bulbs, Replace Shift Position Sensor. End of solution
I have the check engine light on and the code is for map sensor on my 1999 1500 Chevy suburban
Check your light bults and connections, Check the ground. Get a volt tester and check for proper power. exc.
check the throttle positioning sencer. (TPS) for short.
IAT Sensor 1 Circuit High Input
Check the sensor on the brake pedal arm.
2004 ford expedition front blower not working
Check your owners manual. If you don't have one copy & paste this link. http://www.genuineservice.com/genuineservice/en/gloveboxresults