DTC P1671 - Secondary Fuel Pump Relay
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Ford Transit-350 HD, 2018 Ford Transit-350, 2018 Ford Transit-250, 2018 Ford Transit-150, and 2018 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
P1671 - SECONDARY FUEL PUMP RELAY
| Description: | This DTC sets when the PCM detects an open or short on the FP circuit between the PCM and fuel pump (FP) relay. | ||
| Possible Causes: |
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST MA . | ||