P20E8 - REDUCTANT Pressure Too Low
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P20E8 - REDUCTANT PRESSURE TOO LOW
| Description: The powertrain control module (PCM) monitors reductant pressure as the system primes for injection. If the system pressure does not exceed 350 kPa (51 psi) within 45 seconds after the reductant pump starts, this DTC sets. | |||
Possible Causes:
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| Diagnostic Aids: The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RK . | ||