Question about 2004 Ford Expedition
Hi Expert , i want to figure out how to fix this problem. i get these codes p0701 and p0704 and whe i turn on and drive around my 2004 expedition 4.6L i hear an air blowing sound by the brake and gas pedals. Can any one explain these codes and problem?
Unfortunately the 0700 series of numbers relate to the transmission. Code ( P0701) is pushed by 1- Open or short transmission control system circuit. 2 - Poor transmission control system electrical connection. 3 - Check powers and grounds to Transmission Control Module (TCM). Code P0704 is pushed by 1- Faulty Clutch Switch.
2 - Misadjusted Clutch Switch. 3 - Clutch Switch harness is open or shorted. 3 - Clutch Switch circuit poor electrical connection. 4 - Faulty Engine Control Module (ECM). But I'm guessing you have an automatic trans. right. If so I would look at the (DTR) digital transmission range sensor.
Posted on Nov 27, 2013
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Posted on Jan 02, 2017
SOURCE: Bank 1 & 2 running lean
The lean condition is caused from the upper intake gaskets and isolation bolts not sealing properly due to time and poor sealing qualities from the factory ther was a service bulliten for this through ford to replace the gaskets,bolts,vaccum line,and lh side valve cover for this concern the oil was getting onto the rubber contaminating it causing a vaccum leak. If you never had the tsb done i would start there, also if there is high milleage on the vehicle i would also clean the maf sensor and resedt kam.
Posted on Dec 04, 2008
Make sure the heater core is in the open position by using the shut off valve and turning it to open. next, you may have a malfunction in the direction door the directs the air flow in the dash. a lever may have become lose or separated. may be a bad servo motor not directing the door to move to the heater position. i would start by checking that shut off valve first on the heater core.
Posted on Mar 13, 2009
if you have the automatic temperature control or electronic air temperature control your problem is probably the air temperature blend control motor. you'll have to replace it. checked the linkage from the blend door lever to the control motor first. make sure it is connected properly. if it is, play sure finger on the lever and feel for the vibration associated with the clicking. if you can feel it, replace the control motor.
Posted on Mar 03, 2010
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