P1408 Ford 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 Ford 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 Ford 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 Ford?
- 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 Ford?
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 Ford 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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Information for Specific Ford Models
- P1408 1997 Ford F150 — EGR Flow Out Of Self-Test Range
- P1408 1998 Ford F150 — EGR Flow Out Of Self-Test Range
- P1408 1999 Ford F150 — EGR Flow Out Of Self-Test Range
- P1408 2000 Ford F150 — EGR Flow Out Of Self-Test Range
- P1408 2001 Ford F150 — EGR Flow Out Of Self-Test Range
- P1408 2002 Ford F150 — EGR Flow Out Of Self-Test Range
- P1408 2003 Ford F150 — EGR Flow Out Of Self-Test Range
- P1408 2006 Ford Fusion — EGR Flow Out of Self-Test Range
- P1408 2007 Ford Fusion — EGR Flow Out of Self-Test Range
- P1408 2008 Ford Fusion — EGR Flow Out of Self-Test Range
- P1408 2009 Ford Fusion — EGR Flow Out of Self-Test Range
- P1408 2010 Ford Fusion — EGR Flow Out of Self-Test Range
- P1408 2011 Ford Fusion — EGR Flow Out of Self-Test Range
- P1408 2012 Ford Fusion — EGR Flow Out of Self-Test Range
Frequently Asked Questions about P1408 Ford Code
No Frequently Asked Questions about P1408 Ford Code found.
Discuss the causes and fixes for P1408 Ford OBDII Code
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I have a 2003 Ranger 2.3 Liter with a P1408 Ford code. I removed code and drove truck. The code came back. This truck is very hard to the egr valve. Has anyone everworked on one of these Rangers?
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