AutoCodesFord – P2607 Ford

P2607 Ford Code - Intake Air Heater 'B' Circuit Low

Quick Answer

The Engine Control Module (ECM) uses an Intake Air Heater (IAH) to warm the incoming air for proper cylinder combustion. Common causes include Faulty Intake Air Heater (IAH) Relay, Faulty Intake Air Heater, Intake Air Heater Relay harness is open or shorted. 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
P2607 Ford indicates Intake Air Heater 'B' Circuit Low.
Common causes
Common causes include Faulty Intake Air Heater (IAH) Relay, Faulty Intake Air Heater, Intake Air Heater Relay harness is open or shorted.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,206
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 19, 2019
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Code P2607 Ford Description

The Engine Control Module (ECM) uses an Intake Air Heater (IAH) to warm the incoming air for proper cylinder combustion. The ECM grounds the control coil of the IAH relay to energize the heater during cold operation. The control module will command the IAH ON when the engine coolant temperature is below 40 C (104 F). The power to the IAH heater is supplied by the battery positive voltage circuit through the IAH relay.
OBDII Code P2607 Ford - Intake Air Heater 'B' Circuit Low - AutoCodes.com
P2607 Ford Code - Intake Air Heater 'B' Circuit Low

What are the Possible Causes of the DTC P2607 Ford?

  • Faulty Intake Air Heater (IAH) Relay
  • Faulty Intake Air Heater
  • Intake Air Heater Relay harness is open or shorted
  • Intake Air Heater Relay circuit poor electrical connection
  • Intake Air Heater harness is open or shorted
  • Intake Air Heater circuit poor electrical connection

How to Fix the DTC P2607 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 P2607 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2607 Ford Code

1. What does the OBDII code P2607 mean on a Ford vehicle?

P2607 indicates an issue with the Intake Air Heater 'B' circuit, specifically that the circuit is experiencing low voltage or is not functioning properly.

2. What are the common symptoms of the P2607 code on a Ford?

Symptoms may include difficulty starting the engine in cold weather, reduced engine performance, poor fuel efficiency, and the check engine light being illuminated.

3. What causes the P2607 code to appear on a Ford?

Common causes include a malfunctioning intake air heater, damaged wiring or connectors in the circuit, a blown fuse, or a faulty air heater relay.

4. Can I safely drive my Ford with the P2607 code active?

While the vehicle may still be drivable, it could struggle to start in cold weather and experience reduced performance. It’s best to address the issue promptly to avoid further complications.

5. How do I diagnose the P2607 code on a Ford?

Start by checking the wiring and connectors for damage or corrosion. Next, test the intake air heater, relay, and fuses to ensure they are functioning correctly.

6. What tools are needed to troubleshoot the P2607 code?

You’ll need an OBDII scanner, a multimeter to check voltage and continuity, and basic hand tools to inspect and repair wiring or components.

7. How can I fix the P2607 code on my Ford?

Repairs may involve replacing the intake air heater, repairing or replacing damaged wiring, replacing a blown fuse, or replacing the air heater relay if it’s defective.

8. Is the P2607 code specific to Ford vehicles?

No, it’s a generic OBDII code, but the specific diagnosis and repair steps can vary slightly depending on the make and model of the vehicle.

9. What should I do if the P2607 code keeps coming back after repairs?

If the code persists, double-check your repairs to ensure the components were installed correctly. If the issue continues, consult a professional mechanic for further diagnosis.

10. How much does it typically cost to fix the P2607 code on a Ford?

The cost can vary depending on the cause, but replacing the intake air heater or associated components can range from $100 to $500, including parts and labor.

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