Question about 2005 Ford Explorer

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2005 ford explorer xls

I am installing a performance module on my explorer and it says to find the wire for the IAT sensor or the ECT sensor and i have no idea which on it is. I have called parts stores and the ford dealer and they have no idea. 05 explorer xls 4.0 flex fuel. Can u help????

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  • drjones3102 Dec 06, 2008

    i have the same question also

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I hope you didnt buy a universal performance moduel. i have removed so many of these scams. they cause drivabilty problems. all it is is a resistor changing the value of the signal. this is not a good idea. there are legit companys selling moduels or programers that do work. but from the one i have seen they dont help that much.

Posted on Sep 11, 2008

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4x4 4.0l V6. What are the probable causes of DTCs P0112, P0117, P0122, P0513, P0556, and P0565?


code p 0112 refers to intake air temp (IAT) sensor --circuit malfunction===cause --wiring short to graound--wiring short to positive --IAT sensor ---ECM
code p 0117 refers to engine coolant temp (ECT) sensor--circuit malfunction=== causes --coolant thermostat---wiring short to ground--wiring short to positive ---ECT sensor
code p 0122 refers to throttle position (TP) sensor A/ accelerator pedal position (APP) sensor A low input === causes wiring short to ground--TP/APP sensor --ECM
There are 3 responses to p 0122 and all refer to TP switch /sensor plus wiring open /short to ground/ short to positive
code p 0513 refers to incorrect immobilizer key=== causes immobilizer system
code p 0556 refers to brake booster pressure sensor---circuit range / performance=== causes --wiring---poor connection---brake booster pressure sensor---ECM
code p 0565 refers to cruise control master switch. off signal --malfunction === causes wiring---cruise control master switch--ECM
by reading all the codes you will see that common causes are wiring problems and ECM so may be a quick check would be to replace the ECM with a known working unit first and work back from there

Feb 23, 2016 | 1994 Ford Ranger Supercab

1 Answer

I have a 2007 chev Uplander have a code P0116


You can drive it a day or two before it resets because DTC P0116 is a Type B DTC. Which means this DTC runs only once a drive cycle . Where as a type A DTC runs continuous.
Conditions for Setting the DTC
?€¢
The control module detects a temperature difference between the ECT sensor and the intake air temperature (IAT) sensor of more than 100°C (180°F) at start-up.


OR


?€¢
The control module detects a temperature difference between the ECT sensor and the IAT sensor of more than 15°C (27°F) and the time elapsed cranking the engine without starting is more than 5 seconds.


OR


?€¢
The control module detects a temperature difference between the ECT sensor and the IAT sensor of more than 15°C (27°F). The vehicle must then be driven for 5 minutes over 40 km/h (25 mph). If the IAT sensor temperature decreases more than 5°C (9°F), an engine block heater was detected and the test is aborted. If the IAT sensor temperature does not decrease, an engine block heater was not detected and DTC P0116 will set.


Diagnostic Aids
?€¢
Inspect the ECT sensor terminals for corrosion and for engine coolant leaking through the sensor. Engine coolant that is leaking through the sensor will create a high resistance short to ground. This condition results in less voltage on the ECT sensor signal circuit, which is interpreted by the ECM as a warmer ECT.


?€¢
An IAT sensor that is skewed colder at various ambient temperatures due to greater resistance than is normal will increase the range between these two sensors. Measure and record the resistance of the IAT sensor at various ambient temperatures, then compare those measurements to the Temperature vs Resistance table. Refer to Temperature Versus Resistance .


?€¢
A slight to moderate resistance in the IAT sensor signal circuit or low reference circuit will increase the range between these two sensors. This condition results in a greater voltage on the IAT sensor signal circuit, which is interpreted by the ECM as a colder IAT.


Circuit/System Verification

  1. Turn OFF the ignition.
  2. Inspect the cooling system surge tank for the proper coolant level. Refer to Cooling System Leak Testing and Cooling System Draining and Filling .
  3. If the ignition has been OFF for 8 hours or more, the ECT and the IAT should be within 15°C (27°F) of each other and also the ambient temperature. Turn ON the ignition, with the engine OFF, and use a scan tool to observe the IAT and the ECT sensor parameters.
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Circuit/System Testing
  1. Ignition OFF, disconnect the harness connector at the ECT sensor.
  2. Ignition OFF for 90 seconds, test for less than 5 ohms of resistance between the low reference circuit terminal A and ground.
  3. ?‡'
    If greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the ECM.

  4. Ignition ON, verify the scan tool ECT parameter is less than -39°C (-38°F).
  5. ?‡'
    If greater than the specified range, test the signal circuit terminal B for a short to ground. If the circuit tests normal, replace the ECM.

  6. Install a 3-amp fused jumper wire between the signal circuit terminal B and the low reference circuit terminal A. Verify the scan tool ECT parameter is greater than 149°C (300°F).
  7. ?‡'
    If less than the specified range, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the ECM.

  8. If all circuits test normal, test or replace the ECT sensor.

Feb 08, 2016 | Cars & Trucks

1 Answer

My 2003 dodge neon code is reading p0016 i have changed mty timing belt two yrs ago n my camshaft in my oxygen sensor in my crank camshat in my 02 sensor please help me and my car shuts off all the...


Hi Angela,

The FIRST thing you should do in this case is to FORGET everything that you have fixed on the car in the last two years and focus on correcting problem that you have TODAY. Paying too much attention to past problems only adds confusion to the troubleshooting process.

Diagnostic Test Code (DTC) P0016 has a generic description of "Engine Coolant Temperature Sensor performance problem"
The engine coolant temperature sensor (ECT) is monitored when the engine off time is greater than 480 minutes and the Ambient Air Temperature (AAT) and the Intake Air Temperature (IAT) sensor readings are greater than 32 Deg. F (0 Deg. C). This DTC sets when after a calibrated amount of cool down time has passed and the Powertrain Control Module (PCM) compares the ECT, IAT and AAT sensor values.
If the SCT sensor value is not within a calibrated temperature amount of the other two sensors, an error is detected. This is a two trip fault, meaning that it must fail twice before the Malfunction Indicator Light (MIL or "Check Engine") is illuminated.
PLEASE NOTE: Due to the fact that the PCM compares the sensor values of the IAT, AAT, and ECT sensors to see if they are within a calibrated range of one another, the use of an engine block heater can cause false readings for the PCM and can cause this code to set.
Possible causes for this code are:
> ECT Signal Circuit shorted to battery voltage
> ECT Sensor voltage below 0.1 Volt
> ECT Signal Circuit open
> ECT Signal Circuit shorted to ground
> ECT Signal Circuit shorted to sensor ground
> ECT Sensor defective
> PCM High
> PCM Low
****************************************************************
NOTE: Although there is a high probability that this is caused by a defective ECT sensor, the ECT Sensor circuits should be VERIFIED for proper operation BEFORE replacing ANY parts.
Things like loose or corroded connectors, or damage caused by rodents chewing wires in the engine compartment are also VERY COMMON.

Nov 10, 2011 | 2003 Dodge Neon

1 Answer

What color wires lead to the IAT sensor on a 2005 ford f250 6.0 powerstroke?


Hello! The Intake Air Temperature (IAT) sensor has the following wire colors...Gray/Red and Gray...


Guru...Saailer

Jan 04, 2011 | 2005 Ford F 250 Super Duty

1 Answer

Color of wires on iat sensor on a 2004 ford exploer 4.0 v6


I don't believe it has an IAT, (Intake Temperature Sensor). Heres what it has. Hope this helps. Cobra..
Electronic Engine Controls adobe.gif Printable View (63 KB) The electronic engine controls consist of the following:
  • powertrain control module (PCM)
  • throttle position (TP) sensor
  • engine coolant temperature (ECT) sensor
  • camshaft position (CMP) sensor
  • crankshaft position (CKP) sensor
  • mass air flow (MAF) sensor
  • heated oxygen sensor (HO2S)
  • knock sensor (KS)
The PCM carries out the following functions:
  • accepts input from various engine sensors to compute the fuel flow rate necessary to maintain a prescribed air/fuel ratio throughout the entire engine operational range.
  • outputs a command to the fuel injectors to meter the appropriate quantity of fuel.
The TP sensor:
  • sends the PCM a signal indicating the throttle plate angle.
  • is the main input to the PCM from the driver.
The ECT sensor:
  • sends the PCM a signal indicating engine temperature.
  • voltage decreases as coolant temperature increases.
The CMP sensor:
  • sends the PCM a signal indicating camshaft position used for fuel synchronization.
The CKP sensor:
  • sends the PCM a signal indicating crankshaft position.
  • is essential for calculating spark timing.
The MAF sensor:
  • uses a hot wire sensing element to measure the amount of air entering the engine. Air passing over the hot wire causes it to cool.
The front HO2S:
  • creates a voltage signal dependent on exhaust oxygen content.
  • provides feedback information to the PCM used to calculate fuel delivery.
The rear HO2S:
  • monitors oxygen content after it flows through the catalytic converter.
  • provides a voltage to the PCM used to calculate catalytic converter integrity.
The KS:
  • is used to detect engine detonation.
  • sends a voltage signal to the PCM.
  • is able to provide a signal which retards the ignition timing, as necessary.

Jun 12, 2010 | 2004 Ford Explorer

2 Answers

Where is the etc sensor located in a 2005 explorer sport trac


the ect is located in top front of engine on right of throttle body
when you face the engine compartment

hope it helps

Jan 29, 2010 | 2005 Ford Explorer Sport Trac

3 Answers

Where is the iat sensor on a ford escape 2001 v-6


Inside the MAF (Mass Air Flow) sensor.

Nov 06, 2009 | 2008 Ford Escape

1 Answer

Im putting in the boss performance module


please rate as problem solved if this is what you need.



Section 03-14: Engine Controls, Electronic 1994 Mustang. Workshop Manual
REMOVAL AND INSTALLATION Intake Air Temperature (IAT) Sensor Removal and Installation
  1. Disconnect battery ground cable (14301) .
  1. Disconnect engine control sensor wiring (12A581) from intake air temperature sensor (IAT sensor) (12A697) .
  1. Remove intake air temperature sensor from air cleaner outlet tube (9B659). (This is the tube that goes from the air cleaner to the engine.)
  1. To install, reverse Removal procedure. Tighten intake air temperature sensor securely.
--------------------------------------------------------------------------

Jun 02, 2009 | 1994 Ford Mustang

1 Answer

Cnt find iat sensor on 2005 chevy cobalt ss supercharged


The IAT sensor is most of the time located along the intake tube right after Between the throttle body and MAP sensor. Just follow your air intake tube from your air filter housing to the Throttle body.
Good luck. 

Apr 09, 2009 | 2005 Chevrolet Cobalt

2 Answers

IAT and MAF info


IAT wires are the red and the yellow

Jul 20, 2008 | 2005 Mazda 6

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