P20ee00
Overview
Product sourcing insights & recommendations
The phrase 'p20ee00' refers to a specific diagnostic trouble code (DTC) commonly found in diesel vehicles (especially Volvo, Mack, and Cummins) meaning "SCR NOx Catalyst Efficiency Below Threshold (Bank 1)" CarpartsHotshotsecretFridayparts. This code signals that the Selective Catalytic Reduction (SCR) system is not effectively removing enough nitrogen oxide (NOx) from the exhaust gas FridaypartsHotshotsecret.
Core Insights & Diagnostic Path
* Root Causes: Common failures include faulty NOx sensors, contaminated Diesel Exhaust Fluid (DEF), clogged DEF injectors, or a degraded SCR catalyst JustanswerBigmacktrucks.
* Maintenance Trend: Modern heavy-duty maintenance is shifting toward precision dosing and high-quality sensors to avoid the "domino effect" of aftertreatment failures, which can lead to costly engine "derate" modes ResearchnesterRoadwarrior-Inc.
Market Trends (2025–2026)
The global market for SCR systems is projected to grow from $11.46B in 2025 to over $19B by 2035 (5.2% CAGR) Researchnester.
* Regional Growth: The Asia-Pacific region is expected to dominate, holding nearly 50% of the market share by 2035, driven by China's massive vehicle fleet Researchnester.
* Technology Shifts: There is a strong rise in Copper Zeolite Catalysts, which offer higher NOx conversion efficiency at extreme temperatures (180°C–600°C) compared to older iron-based versions Researchnester.
* Emerging Sensors: Integration of smart NOx sensors with exhaust temperature monitors is becoming standard for real-time efficiency tracking ResearchnesterResearchandmarkets.
Product Sourcing & Pricing
I have identified several key components needed for P20EE00 repairs, with current wholesale pricing from B2B platforms:
| Product Category | Key Specifications | Price Range (Est.) |
|---|---|---|
| SCR Catalyst Converters | Euro V/VI, for Volvo/Cummins/Mack | $236 – $2,689 per set |
| NOx Sensors | OE 22303390, for Volvo D11/D13/D16 | $50 – $103 per unit |
| DEF Injectors/Dosers | Heavy-duty, for 2.2 SCR systems | $72 – $220 per piece |
I have compiled the relevant parts and market data for you. Would you like to:
Def Injector Doser For Scr System Repair
Products · 3 lists
Heavy Duty Machinery Urea Pump Nozzle Doser Injector 2888112 2888173 612640130089 0444043016 2.2 SCR System DEF 1819798
Shiyan Sunon Automobile Parts Co., Ltd.verified🇨🇳CN15 yrs
Factory Directly SCR Urea Pump Injector for SCANIA Truck 2722701 2238325 2238324 AdBlue Dosing Unit
Urea Doser OEM SEV6-011 for SCR Urea Dosing Injection Systems
Liuzhou Yuanchuang Efi Technology Co., Ltd.🇨🇳CN18 yrs
2888173 0444043135 0444043016 612640130089 5288657 Diesel New 2.2 Urea Pump Spray Nozzle Doser Injector for 2.2/6.5 SCR System
Wuhan Kamenqing Trading Co., Ltd.🇨🇳CN2 yrs
DEF Doser Diesel Exhaust Fluid UREA Dosing Injector New Stainless Steel for 0444043033 04440430040 0444043041 3945303
WG1034130181+001 Urea Dosing Valve SCR Injector for SINOTRUK HOWO Heavy Duty Truck
Jiangxi Bangka Automotive Parts Co., Ltd.🇨🇳CN2 yrs
Brand New Urea Pump Nozzle for Scania Truck 2722701 SCR Dosing Module for SCANIA EURO 6 2722701
Sukorun (Xiamen) M&E Co., Ltd.verified🇨🇳CN18 yrs
Water Driven Dosing Chemical Fertilizer Injector Doser Automatic Metering Pump Poultry Dosing Pump Dispenser
Henan Fengchi Machinery Co., Ltd.🇨🇳CN3 yrs
Hot Sale V3 Reusable Management Pen Metal Body Adjustable Dose Injector for Body Contouring
5506856 AdBlue Urea Pump, DEF Dosing Injector Nozzle for Diesel SCR Systems, A061L204 Compatible
Yiwu Xinyi Import And Export Co., Ltd.🇨🇳CN3 yrs
New Original SCR Urea Injector Module 2238325 2095566 2238324 2722701 for Heavy Truck Euro 6 DC 24V 1 Year Warranty
Guangzhou Sowo Auto Parts.co.,ltd🇨🇳CN2 yrs
24V SCR for Adblue Dosing Pump Injector Module A0001405339 Urea Pump Nozzle Mercedes-Benz Truck Euro V&VI OE X-ref Engine Parts
Guangzhou Chixiong Automotive Parts Co., Ltd.verified🇨🇳CN1 yr
0444042008 Urea Injector AdBlue Dosing Module for Mercedes-Benz and MAN Truck Diesel Exhaust Fluid Dosing Valve
Wenzhou Hohoya Automobile Tech Co., Ltd.🇨🇳CN1 yr
High-Quality Euro6 Urea Doser Injector Pump for Mercedes Benz MP4 MP5 Trucks A0001400678
Hangzhou Huiteng Vita Technology Co., Ltd.verified🇨🇳CN2 yrs
NO.004(2-5) BOSCH CRIN4.2 COMMON RAIL INJECTOR FULL-FEATURED REPAIR TOOLS
Taian Dongtai Machinery Manufacturing Co., Ltd.🇨🇳CN8 yrs
Water Driven Dosing Chemical Fertilizer Injector Doser Automatic Metering Pump for Irrigation System Metal Eco-friendly
Henan Birui Intelligent Technology Co., Ltd.🇨🇳CN1 yr
Green House Chicken Farming Automatic Dosatron Chemical Fertilizer Injector Doser
Isde Isb Isbe Doser Injector 4999799 4999800 Autolin N0. ATN023
Hubei Autolin Technology Co., Ltd.🇨🇳CN2 yrs
6BT Cummin Doser Injector 2871878 0444043135 0444043136 S00006779 612640130089 5288657 5305254 1205750-KL5H0 A043C088 0444043007
Shiyan Renman Automobile Parts Co,. Ltd.🇨🇳CN12 yrs
Water Driven Dosing Chemical Fertilizer Injector Doser Automatic Metering Pump Poultry Medicator Fertilizer Injector Pumps
Shenzhen Keda Technology Co., Ltd.🇨🇳CN9 yrs
V1 80IU Pen Injector Adjustable Dosing Device
Zhengzhou Zhilan Technology Co., Ltd.🇨🇳CN1 yr
Dosing Chemical Fertilizer Injector Doser Automatic Metering Pump Poultry Medicator Dosatron Mini Dosing Pump Dispenser 0.1-10%
Ningbo Ecowis Plastic & Electric Co., Ltd.🇨🇳CN8 yrs
2034621 SCR Urea Nozzle Exhaust Injector for Scania Trucks P G R T Series
Ruian Wego Auto Parts Co., Ltd.🇨🇳CN3 yrs
Vehicle Parts SCR Systems Diesel Exhaust Fluid DEF Doser Supply Pump A0001404378 A0001408078 for Detro-it DD13 DD15 Engine
Foreverparts Power Equipment Co., Ltd.verified🇨🇳CN3 yrs
4377649 A050S572 SCR DEF Doser Injector Assembly 24V for Cummins QSB6.7/ISB6.7/B6.7 Dodge DAF
Songlin Technology (Hubei) Co., Ltd.verified🇨🇳CN13 yrs
Dosing Pump Restore the Meter 2722701 2238324 2238325 SCR Parts for SCAN Truck Diesel Engine Parts
Sinosoon Technology Co., Ltd.🇨🇳CN3 yrs
New Euro 6 SCR Diesel Urea Pump Repair Kit Dosing Pump Solenoid for 00241827
Shiyan Dongsu Industry Trade Co., Ltd.verified🇨🇳CN12 yrs
CRM902A CRIN Injector Precision Repair System Stage 3 Solenoid Valve Stroke AHE RLS Tester Repair Tool for Bosch Cat Cummins
ERIKC Fix Injector Filter Install Repair Tool Common Rail diesel Injection Strainer Disassembly Tools for Den
Zhengzhou Liseron Oil Pump & Nozzle Co., Ltd.🇨🇳CN10 yrs
NO.004(2-5) CRIN4.2 COMMON RAIL INJECTOR FULL-FEATURED REPAIR TOOLS
Taian Dongtai Machine Manufacturing Co., Ltd.🇨🇳CN3 yrsRelated Searches
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Sources & References
24 sources cited · Verified industry data & reports
SCR NOx Catalyst Efficiency Below Threshold (Bank 1)
Hot Shot's Secret
The code indicates a problem with the selective catalytic reduction (SCR) system, and continued driving may lead to additional damage. Can a P20EE code clear on ...
Fix and Avoid Volvo P20EE00 SCR NOx Catalyst Efficiency ...
Roadwarrior Inc
When an SCR system flags a fault code like P20EE00 – SCR NOx Catalyst Efficiency Below Threshold, it's signaling a reduction in the system's ability to process ...
Volvo D13 P20EE00 Code? Expert Troubleshooting Guide
JustAnswer
The P20EE00 fault code in a Volvo D13 engine usually indicates an issue with the selective catalytic reduction (SCR) system. Here are some ...
How to Fix P20EE Code: From Diagnosis to Repair
Identifix
The P20EE Diagnostic Trouble Code (DTC) points to a fault with the nitrogen oxide (NOx) catalyst efficiency or Selective Catalytic Reduction (SCR) system.
p20ee00 scr nox catalyst efficiency below threshold tests ...
Reddit · r/MechanicAdvice
Hello all, I just wanted some advice on this fault I have a seat arona 1.6 TDI I got the engine warning light so took it to be diagnosed(they just did ...
Error Code SA 16 DTC P20EE00 Explained
FridayParts
SA 16 DTC P20EE00 means the engine control module has found the SCR system can't cut down enough NOx from exhaust gas. It's a clear warning that ...