Question about 2001 Ford Escape

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2001 ford escape check engine light possible failed speed sensor

Went to trac auto for diagnostic and came back with failed output speed sensor. also just started when auto first turned on OD on off light flashes until auto is turned off and restarted. could these 2 problems be related and if so what is the remedy. thanks, wayne g.

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Yes. Replace the output speed sensor on the transmission.

Posted on May 13, 2009

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1 Answer

Need the code PO722 for a 2006 ford freestar 3.9


Hope, code PO722 Output Speed Sensor No Signal.
Possible trigger for code,
  • Defective Output Speed Sensor
  • Defective Shift Solenoids
  • Defective Engine Coolant Temperature Sensor
  • Defective Valve Body
  • Dirty transmission fluid that restricts the hydraulic passages
  • Defective Output Speed Sensor wiring or connector
P0722 Ford Output Speed Sensor No Signal
http://www.autozone.com/repairguides/Ford-Freestar-Monterey-2004-2006/Diagnostic-Trouble-Codes/4-2L-V6-VIN-2-Auto-5/_/P-0996b43f802e829c

Aug 27, 2016 | 2006 Ford Freestar

1 Answer

Why would 2001 Escape fails to start?


Inertia sensor could be tripped cutting off power to the fuel pump. That is if the engine is cranking. Reset button is behind one of the front floor kick panels.

If engine does not crank, check Brake lights. If the lights are out, then a safety switch on the brake pedal lever is loose or broken.

Jul 24, 2014 | 2001 Ford Explorer Sport Trac

1 Answer

My 2009 Hyundai Sonata quit accelerating while driving in town. The ESC and check engine light came on. I was able to turn the car off and back on and the ESC light went off and acceleration worked...


This may not be your problem but it does bring the vehicle in fail safe you may have a warranty
Group TRANSAXLE
Number 09-AT-016
Date AUGUST, 2009
Model
1999-SONATA
2001-ELANTRA, SANTA FE & XG
2003-TIBURON
2005-TUCSON
2006-AZERA
2007-ENTOURAGE

Subject
AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE CODES P0715, P0716, P0717, P0720, P0721 & P0722

An improperly functioning input speed sensor or output speed sensor may result in the following conditions:
^ "Check Engine" light on
^ Harsh P-R or P-D engagement shock
^ Transaxle in 3rd gear fail-safe
^ Diagnostic trouble codes 1. Using a GDS, check for DTCs in both the "Engine" and "Automatic Transaxle" menus. Record the DTC and description.
2. From the GDS, select:
^ Vehicle
^ "Auto Transaxle" menu
^ "Current Data"
^ "Input speed sensor" and "output speed sensor". Drive the vehicle and monitor the input and output speed sensors. If the sensors show:
^ Continuous output, the wiring currently has no open/shorts. Go to Step 6.
^ No output, go to Step 3
3. Check the wiring harness visually for an open circuit or short circuit to ground. Check for a pinched harness at the PCM/TCM attachment bolts.
4. Disconnect the connectors at the input and output speed sensor and PCM/TCM. Check for bent pins or pins not fully inserted into the connector.
5. If a harness open/short is found, repair or replace the ECM control harness between the PCM/TCM and transaxle and go to Step 8. If not, go to Step 6.

Aug 22, 2011 | Hyundai Sonata Cars & Trucks

1 Answer

Speedometer went crazy, Engine signal, kick after full brake stop


he told you to take it to a transmission specialist because that is where those sensors are located. The speed sensor is located in the transmission. It reads the speed by counting the number of teeth on a relucter wheel. (thats the simple explanation).
I sounds to me like there might be some debri in the transmission that could be affecting the reading.
The engine computer uses that information to control the engine and transmission. Without that information the transmission could go into limp home mode and or have erratic shiffting plus other problems.
I would really suggest you get it in for a test and evaluation asap. I do not consider this vehicle to be reliable or safe because the transmission could lockup and or otherwise fail.
As a side note, these minivans are notorious for having failing transmissions and most transmission shops find that the majority of their work is on this minivans. One of the reasons I have just kept my full size van.

Apr 16, 2010 | 2001 Dodge Caravan

1 Answer

Check engine light with following codes p 1529 p0720 p0715


P1529 indicates that your TCM asked the ECM to turn on the check engine lamp.

The range switch and the output speed sensors are the items that are abnormally affecting the operation of the transmission. The diagnostic logic in your computer can distinguish these issues from one another, so you'll definitely want to do both. You have no diagnostic code for the input speed sensor (P0715) listed, so I have made no recommendation to replace it. In my opinion, it's not a labor-intensive repair, so I wouldn't recommend replacing it unless you have reason to believe it's bad.

DTC - P0720 (OUTPUT SHAFT SPEED SENSOR SYSTEM)
Code No. P0720 Output shaft speed sensor system
If the output from the output shaft speed sensor is continuously 50% lower than the vehicle speed for 1 second or more while driving in 3rd or 4th gear at a speed of 30 km/h or more, it is judged to be an open circuit or short-circuit in the output shaft speed sensor and diagnostic trouble code No. P0720 is output. If diagnostic trouble code No. P0720 is output four times, the transmission is locked into 3rd gear or 2rid gear as a fail-safe measure.
Probable cause
Malfunction of the output shaft speed sensor
Malfunction of the transfer drive gear or driven gear
Malfunction of connector
Malfunction of the TCM

DTC - P0715 (INPUT SHAFT SPEED SENSOR SYSTEM)
Code No. P0715 input shaft speed sensor system
If no output pulse is detected from the input shaft speed sensor for 1 second or more while driving in 3rd or 4th gear at a speed of 30 km/h (19 mph) or more, it is judged to be an open circuit or short-circuit in the input shaft speed sensor and diagnostic trouble code No. P0715 is output. If diagnostic trouble code P0715 is output four times, the transaxle is locked into 3rd gear or 2nd gear as a fail-safe measure.
Probable cause
Malfunction of the input shaft speed sensor
Malfunction of the underdrive clutch retainer
Malfunction of connector
Malfunction of the TCM

Is needed replace.

Nov 04, 2009 | 2001 Hyundai Elantra

2 Answers

My 2001 Ford Escape runs rough before it warms up. The check engine light has just come on. I assume it is an oxygen sensor. How do I replace it?


Well, fords are known for multiple O2 sensors... so I would have Autozone do a free diagnostic to see if

1. it really is an O2 sensor - and which one
2. eliminate the power feed to the injection/choke circuit.

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1 Answer

06' Ford Explorer engine light wont go off after repair


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1 Answer

Service engine light and abs senor light will not turn off


Some times the wheel speed sensor will go out on either side. This will make the A.B.S. light come on. But I dont see why the service engine light would come on. I would segest changing all wheel speed sensors and take it for a drive. The A.B.S. light should go out. If the service engine light dose not go out your local auto parts stors can run a diagnostics test to tell you what the light is on for.

Please contact me if your problem presists.

Thanks, Charlie

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1 Answer

Error lights.


Have the systems scanned for trouble codes with a scan tool.The ABS and Trac lights are on because there are fault codes stored.Access the fault codes,and they give you a direction that needs repaired.You likely have a wheel speed sensor damaged or just not working.Repair the speed sensor,clear the codes,all systems go.

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