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's pins.
The P1726 code will be set if during the Key On Engine Running (KOER) the engine RPM increases below the minimum threshold for a self-test.
The cost of diagnosing the P1725 Mercury code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
The Powertrain Control Module (PCM) monitors the engine speed during the Key On Engine Running (KOER) self-test. When the PCM detects engine speed lower than a calibrated speed, the KOER self-test is aborted and this Diagnostic Trouble Code (DTC) sets.
Need more information on how to fix the P1725 Mercury code? Get Access to Factory Service Manuals
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