Engine-Codes - Ford - P1670 Ford

P1670 Ford Code - Electronic Feedback Signal Not Detected

- Code Popularity: 47,818 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1670 Ford?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Open fuse
  • Faulty Injector Driver Module (IDM) relay
  • Open or shorted Injector Driver Module (IDM) enable circuit
  • Open/short in EF circuit
  • Open/short in Fuel Delivery Command Signal (FDCS) circuit
  • Injector Driver Module (IDM) powering circuits
  • Faulty Powertrain Control Module (PCM)

Code Tech Notes

The problem means that there is no communication between the Powertrain Control Module (PCM) and the Injector Driver Module (IDM), most of the times the problem is a faulty IDM.

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How to Fix the DTC P1670 Ford?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1670 Ford code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P1670 Ford Code Mean?

The Injector Driver Module (IDM) provides the EF output signal to the Powertrain Control Module (PCM) to confirm that proper timing/duration of Fuel Delivery Command Signal (FDCS) was received. Additionally, the EF signal is used to send diagnostics of the IDM and injectors (electrical) to the PCM.

P1670 Ford Code - Electronic Feedback Signal Not Detected

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