P1290 2011 Ford Fusion Code - Cylinder Head Temperature Sensor Signal Less Than Self-Test Range
Quick Answer
The Cylinder Head Temperature (CHT) Sensor is mounted into the wall of the cylinder head and is not connected to any coolant passages. Common causes include Wrong thermostat, Engine overheated, Low engine coolant level. 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
- P1290 2011 Ford Fusion indicates Cylinder Head Temperature Sensor Signal Less Than Self-Test Range.
- Common causes
- Common causes include Wrong thermostat, Engine overheated, Low engine coolant level.
- 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 P1290 2011 Ford Fusion Description
What are the Possible Causes of the DTC P1290 2011 Ford Fusion?
- Wrong thermostat
- Engine overheated
- Low engine coolant level
- Faulty Cylinder Head Temperature (CHT) sensor
- Cylinder Head Temperature (CHT) sensor harness is open or shorted
- Cylinder Head Temperature (CHT) sensor circuit poor electrical connection
How to Fix the DTC P1290 2011 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 P1290 2011 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 P1290 2011 Ford Fusion Code
1. What does the OBDII code P1290 mean on a 2011 Ford Fusion?
P1290 indicates that the Cylinder Head Temperature (CHT) sensor signal is below the self-test range, which suggests an issue with the sensor or its circuit.
2. What are common symptoms of P1290 in a 2011 Ford Fusion?
Symptoms may include engine overheating, poor fuel efficiency, rough idling, or the engine entering "limp mode" to prevent damage.
3. What causes the P1290 code on a 2011 Ford Fusion?
Common causes include a faulty CHT sensor, damaged wiring or connectors, low coolant levels, or a malfunctioning PCM (Powertrain Control Module).
4. Can I drive my 2011 Ford Fusion with a P1290 code?
It is not recommended to drive with this code, as it may indicate overheating or other issues that could cause severe engine damage.
5. How do I diagnose the P1290 code on my 2011 Ford Fusion?
Start by checking the CHT sensor wiring and connectors for damage or corrosion, inspect coolant levels, and use a multimeter to test the sensor's resistance.
6. How do I fix the P1290 code on a 2011 Ford Fusion?
Repairs may include replacing the CHT sensor, repairing damaged wiring, refilling coolant, or reprogramming/replacing the PCM if necessary.
7. Where is the Cylinder Head Temperature sensor located on a 2011 Ford Fusion?
The CHT sensor is typically located in the cylinder head, near the coolant passages, and monitors the engine's temperature.
8. How much does it cost to fix a P1290 code on a 2011 Ford Fusion?
Repair costs vary but typically range from $100 to $300, depending on whether the issue is with the sensor, wiring, or other components.
9. Can low coolant cause the P1290 code on a 2011 Ford Fusion?
Yes, low coolant levels can cause the engine to overheat and trigger the P1290 code.
10. Will clearing the P1290 code fix the problem on a 2011 Ford Fusion?
Clearing the code will reset the check engine light, but the underlying issue must be resolved to prevent the code from returning.
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