P207F on Land Rover
Reductant Quality Performance
P207F on Land Rover vehicles indicates reductant quality performance. Au7o has documented this code across 1 Land Rover model — most commonly on Range Rover Velar. This code applies to diesel vehicles with a Selective Catalytic Reduction (SCR) emissions system and means the quality of the diesel exhaust fluid (DEF, also called reductant or AdBlue) does not meet the required specification. The SCR system injects DEF into the exhaust to chemically neutralize nitrogen-oxide (NOx) pollutants, and the computer monitors NOx sensors and the DEF quality sensor to confirm the fluid is doing its job. When it concludes the reductant is contaminated, diluted, the wrong fluid, or not reducing emissions effectively, it sets this code. It generally indicates a DEF quality or SCR efficiency problem and often triggers reduced power or limited restarts to force the issue to be fixed. Typical repair costs on Land Rover range from $500 to $2,000, depending on the specific model and root cause.
Common Causes of P207F
- •Contaminated, diluted, or wrong fluid in the DEF tank (e.g., water or fuel)
- •Poor-quality or expired/degraded DEF
- •Faulty DEF quality sensor
- •Failing or clogged DEF (reductant) injector
- •Faulty NOx sensor(s)
- •DEF system or exhaust leaks
- •Aged or damaged SCR catalyst
P207F on Land Rover by Model
Land Rover Range Rover Velar(1 issue)
- AdBlue/DEF System Faults and Injector Crystallization2018-2024
The diesel Velar models are prone to AdBlue (DEF) system faults caused by the AdBlue injector crystallizing. Crystallized AdBlue blocks the injector and prevents proper urea injection into the exhaust, triggering a countdown to engine restart lockout. The AdBlue heater and level sensor also fail, giving false empty readings even with a full tank.
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View P207F across all makes →Frequently Asked Questions
What does P207F mean on Land Rover?▼
P207F stands for "Reductant Quality Performance." This code applies to diesel vehicles with a Selective Catalytic Reduction (SCR) emissions system and means the quality of the diesel exhaust fluid (DEF, also called reductant or AdBlue) does not meet the required specification. The SCR system injects DEF into the exhaust to chemically neutralize nitrogen-oxide (NOx) pollutants, and the computer monitors NOx sensors and the DEF quality sensor to confirm the fluid is doing its job. When it concludes the reductant is contaminated, diluted, the wrong fluid, or not reducing emissions effectively, it sets this code. It generally indicates a DEF quality or SCR efficiency problem and often triggers reduced power or limited restarts to force the issue to be fixed. On Land Rover specifically, this code is documented across 1 model.
What causes P207F on Land Rover vehicles?▼
Common causes on Land Rover: Contaminated, diluted, or wrong fluid in the DEF tank (e.g., water or fuel), Poor-quality or expired/degraded DEF, Faulty DEF quality sensor, Failing or clogged DEF (reductant) injector, Faulty NOx sensor(s). Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P207F on a Land Rover?▼
Repair costs on Land Rover range from $500 to $2,000, depending on the specific model and root cause.
Which Land Rover models have P207F documented?▼
Au7o has documented P207F on 1 Land Rover model: Range Rover Velar.