P1670 – All makes

Code : P1670
Make : All makes
Description : P1670 Electronic Feedback Signal Not Detected
Possible 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
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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