Question about 1998 Ford Expedition
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Posted on Jan 02, 2017
How to Replace a Throttle Position Sensor
(DIY & Save up to $135.75 ) - Time: 2.1 hours
1. Throttle Position Sensor - $ 55.44
1. Scan Tool
1. Locate the OBD data link connector (DLC). Refer to your owner’s manual for the specific location.
3. Plug your scan tool into the OBD data link connector. Turn on the scan tool and select the appropriate steps to read the diagnostic trouble code (DTC).
Removing sensor mounting screws
8. Install the new throttle position sensor. Tighten the mounting screws and attach the electrical connector.
Check engine lightDirect OE replacement
Hope helped with this. Good luck (remember rated this help).
Posted on Nov 05, 2009
Remove the throttle body housing on the top of the intake, it is a 90 degree tunnel like small piece held by 4 small bolts, turn it over and look for two holes, these holes are for the EGR valve flow, they are probably plugged up with carboned crud, clean them out with the tip of a screwdriver if neccessary to remove all the crud, once its clean reinstall it and reset your check engine light, hope this helps, let me know
Posted on Dec 04, 2009
Shown here is the P2104 obd2 code and their general meaning. For a brief description of any particular OBD2 code and how to fix the obd2 trouble code, please browsw below.
P2104 Engine TP Actuator Cntl System
This obd2 code is very common on newer vehicles which contain new design of throttle positioner sensor. Instead of putting a tps sensor at the side of your throttle body as in older engines, a throttle actuator control system is installed which eliminates the mechanical linkage (cable) between the throttle body and the throttle pedal. Under the throttle pedal, a throttle switch is installed and a throttle module or actuator is incorporated beside the throttle body. Because there is no mechanical device that wears out, it is more effecient in delivering better mileage and performance torque (besides...the actuator module performs better in getting all throttle signals to the ecm and trany).
To test this code, check the integrity of the wires going to both the throttle body actuator and the ecm including the throttle switch. Most of the time, if you have symptoms like trany going to a limp mode, the culprit originates from the trany circuit. However, if the symptom is engine related like hesitation, the problem resides in the throttle actuator itself which may sometimes includes the replacement of the whole throttle body assembly. Contact ATS if you need a wiring diagram or detailed fixes for your throttle actuator control system.
Before replacing the throttle control actuator and throttle body, try cleaning the throttle plates and all plug-in wiring connections. Also, watch out the throttle body mounting bolts which can easily break (use care) when removing them.
P2112 Throttle Actuator Control System - Stuck Closed
Posted on Feb 16, 2010
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Disconnect and remove the TP sensor from beneath the throttle body
View of the throttle position sensor mounting-4.9L, 5.0L and 5.8L MFI engines shown, others similar
Exploded view of the throttle body mounting-5.0L and 5.8L engines
Posted on Mar 06, 2010
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