P1184 2007 Ford Fusion Code - Engine Oil Temperature Out Of Self Test Range
Quick Answer
The Engine Oil Temperature (EOT) sensor is a thermistor device in which resistance changes with temperature. Common causes include Engine not at operating temperature, Cooling system problem of stuck thermostat, Faulty Engine Oil Temperature (EOT) sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1184 2007 Ford Fusion indicates Engine Oil Temperature Out Of Self Test Range.
- Common causes
- Common causes include Engine not at operating temperature, Cooling system problem of stuck thermostat, Faulty Engine Oil Temperature (EOT) sensor.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1184 2007 Ford Fusion Description
Thermistor-type sensors are considered passive sensor. A passive sensor is connected to a voltage divider network so that varying the resistance of the passive sensor causes a variation in total current flow.
Voltage that is dropped across a fixed resistor in a series with the sensor resistor determines the voltage signal at the ECM. This voltage signal is equal to the reference voltage minus the voltage drop across the fixed resistor.
The EOT sensor measures the temperature of the engine oil. The sensor is typically threaded into the engine oil lubrication system. The ECM can use the EOT sensor input to determine the following:
- On variable cam timing (VCT) applications the EOT input is used to adjust the VCT control gains and logic for camshaft timing.
- The ECM can use the EOT sensor input in conjunction with other ECM inputs to determine oil degradation
- The ECM can use EOT sensor input to initiate a soft engine shutdown. To prevent engine damage from occurring as a result of high oil temperature, the ECM has the ability to initiate a soft engine shutdown. Whenever engine RPM exceeds a calibrated level for a certain period of time, the ECM will begin reducing power by disabling engine cylinders.
What are the Possible Causes of the DTC P1184 2007 Ford Fusion?
- Engine not at operating temperature
- Cooling system problem of stuck thermostat
- Faulty Engine Oil Temperature (EOT) sensor
- Engine Oil Temperature (EOT) sensor harness is open or shorted
- Engine Oil Temperature (EOT) sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1184 2007 Ford Fusion?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1184 2007 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1184 2007 Ford Fusion Code
1. What does the OBDII code P1184 mean on a 2007 Ford Fusion?
P1184 indicates that the Engine Oil Temperature (EOT) sensor is reporting a value outside of the range expected during a self-test.
2. What are the common symptoms of code P1184 in a 2007 Ford Fusion?
Symptoms may include an illuminated check engine light, erratic oil temperature readings, or the engine entering limp mode in rare cases.
3. What causes the P1184 code in a 2007 Ford Fusion?
Common causes include a faulty EOT sensor, damaged wiring or connectors to the sensor, or issues with the Powertrain Control Module (PCM).
4. Can I drive my 2007 Ford Fusion with a P1184 code?
While the car may still be drivable, it’s not recommended to ignore the code as it could indicate a problem with accurate oil temperature monitoring, potentially leading to engine damage.
5. How do I diagnose the P1184 code on a 2007 Ford Fusion?
Start by checking the EOT sensor for proper operation, inspect the wiring and connectors for damage, and verify the sensor’s input with a scan tool.
6. How do I fix the P1184 code on a 2007 Ford Fusion?
Repairs typically involve replacing the faulty EOT sensor, repairing damaged wiring or connectors, or updating/reprogramming the PCM if necessary.
7. Where is the Engine Oil Temperature (EOT) sensor located on a 2007 Ford Fusion?
The EOT sensor is typically located near the engine oil filter or along the engine block where it can measure oil temperature.
8. How much does it cost to fix a P1184 code on a 2007 Ford Fusion?
Repair costs vary but generally include $50-$150 for the EOT sensor and $100-$300 for labor, depending on the service provider.
9. Can a bad EOT sensor cause other engine issues?
Yes, a malfunctioning EOT sensor can cause inaccurate oil temperature readings, which may lead to improper engine performance or damage if not addressed.
10. Will clearing the P1184 code fix the issue permanently?
No, clearing the code will only reset the warning temporarily. The underlying issue must be diagnosed and repaired to prevent the code from returning.
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