Reductant Pressure Too Low
Table of contents
P20E8 FORD Possible Causes
- Damaged reductant pump
- Damaged reductant injector
- Damaged reductant purge valve
- Damaged reductant pressure line
- Damaged reductant pressure sensor
How do I fix code P20E8 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’s pins.
Cost of diagnosing the P20E8 FORD code
The cost of diagnosing the P20E8 FORD 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P20E8 FORD Description
The Powertrain Control Module (PCM) monitors reductant pressure as the system primes for injection. The Aftertreatment DEF pump has internal diagnostics which evaluate whether the DEF pump is able to meet its demand. If the pump reports insufficient performance for more than a threshold time then the P20E8 code is set.