P1408 2003 Ford F150 Code - EGR Flow Out Of Self-Test Range
Quick Answer
The Exhaust Gas Recirculation (EGR) system recirculates a portion of the exhaust gasses into the intake manifold under average vehicle driving conditions to reduce combustion temperatures and exhaust gas NOx content. Common causes include Faulty Exhaust Gas Recirculation (EGR) Valve, Exhaust Gas Recirculation (EGR) Valve Vacuum hose off or defective, Plugged Exhaust Gas Recirculation (EGR) Valve. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P1408 2003 Ford F150 indicates EGR Flow Out Of Self-Test Range.
- Common causes
- Common causes include Faulty Exhaust Gas Recirculation (EGR) Valve, Exhaust Gas Recirculation (EGR) Valve Vacuum hose off or defective, Plugged Exhaust Gas Recirculation (EGR) Valve.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P1408 2003 Ford F150 Description
This test is performed during the Key On Engine Running (KOER) on demand self-test only. The EGR system is commanded ON at a fixed engine speed. The test fails and the Diagnostic Trouble Code (DTC) is output when the measured EGR flow falls above or below the required calibration.
What are the Possible Causes of the DTC P1408 2003 Ford F150?
- Faulty Exhaust Gas Recirculation (EGR) Valve
- Exhaust Gas Recirculation (EGR) Valve Vacuum hose off or defective
- Plugged Exhaust Gas Recirculation (EGR) Valve
How to Fix the DTC P1408 2003 Ford F150?
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 P1408 2003 Ford F150 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.
Need more information about the P1408 2003 Ford F150 code?
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Frequently Asked Questions about P1408 2003 Ford F150 Code
1. What are the common symptoms of OBDII code P1408 in a 2003 Ford F150?
The common symptoms include rough idling, reduced engine performance, and increased fuel consumption.
2. What are the possible causes of OBDII code P1408 in a 2003 Ford F150?
The code P1408 usually indicates a problem with the Exhaust Gas Recirculation (EGR) system, such as a faulty EGR valve, clogged EGR passages, or a malfunctioning EGR sensor.
3. How can I diagnose the cause of OBDII code P1408 in my 2003 Ford F150?
Diagnosing the issue involves checking the EGR valve for proper operation, inspecting EGR passages for blockages, and testing the EGR sensor for functionality using a scan tool.
4. Can I drive my 2003 Ford F150 with OBDII code P1408?
It is not recommended to drive your vehicle with code P1408 as it can lead to poor engine performance and potential damage. It's best to address the issue promptly.
5. How can I repair OBDII code P1408 in my 2003 Ford F150?
Repairing code P1408 typically involves cleaning or replacing the EGR valve, clearing any blockages in the EGR passages, and ensuring proper functioning of the EGR sensor.
6. Will resetting the OBDII code P1408 in my 2003 Ford F150 make it go away permanently?
Resetting the code may temporarily clear the warning light, but if the underlying issue causing code P1408 is not fixed, the code is likely to reappear.
7. Is it possible to prevent OBDII code P1408 in a 2003 Ford F150?
Regular maintenance of the EGR system, such as cleaning the EGR valve and passages, can help prevent issues leading to code P1408.
8. Can a DIY enthusiast fix OBDII code P1408 in a 2003 Ford F150?
Depending on your mechanical skills and access to tools, you may be able to address the issue yourself by following repair guides and using diagnostic tools.
9. How much does it cost to repair OBDII code P1408 in a 2003 Ford F150?
The cost of repairing code P1408 can vary depending on the specific cause of the issue, but it may involve expenses for parts and labor at a repair shop.
10. Should I seek professional help for OBDII code P1408 in my 2003 Ford F150?
If you are unsure about diagnosing or repairing the issue yourself, it's advisable to seek the help of a qualified mechanic to ensure proper resolution of code P1408.
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