Engine Code

AUDI CJEE engine (2015–2020) – Specs, Problems & Compatibility Database

The Audi CJEE is a 1,968 cc, inline-four turbo-diesel engine produced between 2015 and 2020. It features common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC) with dual-mass flywheel integration. In standard output form, it delivers 110 kW (150 PS), with higher outputs reaching 140 kW (190 PS) and torque between 340–400 Nm, providing strong low-end responsiveness for daily driving.

Fitted to models such as the 8V A3, 8W A4, B9 A5, and 3G A6, the CJEE engine was engineered for balanced performance, fuel economy, and emissions compliance in compact and mid-size platforms. It meets Euro 6 emissions standards through exhaust gas recirculation (EGR), diesel particulate filter (DPF), and selective catalytic reduction (SCR) with AdBlue injection, ensuring regulatory compliance across European markets.

One documented reliability concern is premature wear of the high-pressure fuel pump, particularly in vehicles subjected to extended service intervals and non-compliant diesel fuel. This issue, referenced in Audi Service Bulletin 2016-17-05, is linked to inadequate lubrication and contamination in the common rail system. From 2017 onward, Audi introduced revised fuel filtration and updated service protocols to mitigate the risk.

BMW N47D20A Engine
Compliance Note:

All production years (2015–2020) comply with Euro 6 emissions standards depending on market (VCA UK Type Approval #VCA/EMS/9012).

CJEE Technical Specifications

The Audi CJEE is a 1,968 cc inline-four turbo-diesel engine designed for compact and mid-size models (2015–2020). It combines Bosch CRS 3-20 common-rail injection with a single variable-geometry turbocharger to deliver responsive low-RPM torque and efficient highway cruising. Engineered to meet Euro 6 emissions standards, it balances drivability with regulatory compliance across European markets.

ParameterValueSource
Displacement1,968 cc
Fuel typeDiesel
ConfigurationInline-4, DOHC, 16-valve
AspirationTurbocharged
Bore × stroke81.0 mm × 95.5 mm
Power output110–140 kW (150–190 PS)
Torque340–400 Nm @ 1,750–3,000 rpm
Fuel systemBosch CRS 3-20 common-rail (up to 2,500 bar)
Emissions standardEuro 6
Compression ratio16.5:1
Cooling systemWater-cooled
TurbochargerSingle variable-geometry turbo (Honeywell)
Timing systemChain (front-mounted; revised guides post-2014)
Oil typeAudi Longlife-04 (5W-30)
Dry weight158 kg
Practical Implications

The single VGT turbo provides strong low-RPM torque ideal for urban driving but requires adherence to 15,000 km oil change intervals using Audi Longlife-04 (5W-30) to prevent high-pressure fuel pump wear. Cold-start idling should be minimized to ensure rapid oil pressure buildup and reduce guide stress. The Bosch CP4 fuel pump demands ultra-low-sulfur diesel (ULSD) meeting EN 590 standards to prevent internal damage. Post-2017 models feature enhanced fuel filtration; pre-2017 units should be inspected per Audi SB 2016-17-05. EGR/DPF/SCR systems require regular highway runs to maintain regeneration cycles and prevent limp-mode events.

Data Verification Notes

Oil Specs: Requires Audi Longlife-04 (5W-30) specification (Audi SB 2016-17-05). Supersedes ACEA C3 requirements.

Emissions: All production years (2015–2020) meet Euro 6 standards depending on market (VCA Type Approval #VCA/EMS/9012).

Power Ratings: Measured under SAE J1349 standards. 140 kW output requires EU3+ fuel quality (Audi TIS Doc. A36600).

Primary Sources

Audi Technical Information System (TIS): Docs A36010, A36500, A36600, SB 2016-17-05

VCA Type Approval Database (VCA/EMS/9012)

SAE International: J1349 Engine Power Certification Standards

CJEE Compatible Models

The Audi CJEE was used across Audi's 8V/8W/3G platforms with longitudinal mounting and integrated AdBlue dosing. This engine received platform-specific adaptations—reinforced mounts in the A6 and revised intake manifolds in the A3—and from 2018 the facelifted A4 B9.5 adopted updated SCR calibration, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Audi
Years:
2015–2020
Models:
A3 (8V)
Variants:
150 TDI, 190 TDI
View Source
Audi Group PT-2024
Make:
Audi
Years:
2015–2020
Models:
A4 (8W)
Variants:
150 TDI, 190 TDI
View Source
Audi Group PT-2024
Make:
Audi
Years:
2015–2020
Models:
A5 (8T)
Variants:
150 TDI, 190 TDI
View Source
Audi TIS Doc. A36901
Make:
Audi
Years:
2015–2020
Models:
A6 (3G)
Variants:
150 TDI, 190 TDI
View Source
Audi TIS Doc. A36901
Identification Guidance

Locate the engine code stamped horizontally on the left-side engine block near the exhaust manifold (Audi TIS A36050). The 7th VIN digit indicates engine family ('C' for CJEE series). Pre-2017 models have silver valve covers with black plastic timing covers; post-2017 units use black valve covers. Critical differentiation from EA288: CJEE uses Bosch EDC17CP74 ECU with trapezoidal diagnostic port, while EA288 uses EDC17CP56 with round port. Service parts require production date verification—fuel pumps for engines before 08/2016 are incompatible with later units due to internal revisions (Audi SB 2016-17-05).

Identification Details

Evidence:

Audi TIS Doc. A36050

Location:

Stamped horizontally on the left-side engine block near the exhaust manifold (Audi TIS A36050).

Visual Cues:

  • Pre-2017: Silver valve cover with black plastic timing cover
  • Post-2017: All-black valve cover
Compatibility Notes

Evidence:

Audi SB 2016-17-05

Flywheel:

Timing kits and flywheel assemblies for pre-2017 CJEE models are not compatible with post-facelift B9.5 variants due to dual-mass flywheel revisions per OEM documentation.

Fuel System:

High-pressure fuel pumps revised in 2017 A4 B9.5 models. Pre-2017 pumps fit only pre-facelift engines.
Fuel Pump Upgrade

Issue:

Early CJEE engines experienced high-pressure fuel pump failure due to contamination and inadequate lubrication.

Evidence:

Audi SB 2016-17-05

Recommendation:

Install updated fuel pump and filter per Audi SB 2016-17-05.

Common Reliability Issues - AUDI CJEE

The CJEE's primary reliability risk is high-pressure fuel pump wear on early builds, with elevated incidence in urban driving with frequent short trips. Internal Audi quality reports from 2017 noted a significant share of pre-2017 engines requiring pump replacement before 120,000 km, while UK DVSA records link a notable portion of emissions-related MOT failures to EGR clogging in stop-start traffic. Cold-start cycles and extended oil intervals increase pump and guide stress, making oil quality and interval adherence critical.

High-pressure fuel pump failure
Symptoms: Hard start, loss of power, excessive smoke, fuel pressure DTCs, complete no-start condition.
Cause: CP4 pump design sensitive to fuel contamination and low lubricity; early units lacked enhanced filtration, leading to internal wear.
Fix: Replace with latest OEM-specified pump and filter; flush fuel system and verify rail pressure. Use only EN 590 compliant diesel.
Turbocharger actuator sticking
Symptoms: Boost fluctuation, over/under-boost DTCs, limp mode, reduced throttle response.
Cause: Carbon buildup or mechanical wear in the VGT actuator mechanism, common in vehicles with frequent short trips.
Fix: Service or replace actuator per OEM procedure; recalibrate boost control in diagnostics.
EGR and intake carbon buildup
Symptoms: Rough idle, hesitation, smoke, increased soot load, frequent DPF regenerations.
Cause: Deposit accumulation in EGR valve, cooler, and intake runners due to oil/fuel carryover and low-temperature operation.
Fix: Clean or replace affected components per OEM guidance; renew vacuum lines and perform adaptation resets.
Oil leaks from timing cover gasket
Symptoms: Oil smell, drips at bellhousing, residue on engine block and exhaust manifold.
Cause: Age-related degradation of the front timing cover gasket, often accelerated by high under-hood temperatures.
Fix: Replace gasket with OEM part and inspect breather system for blockages; maintain correct oil level and service intervals.
Research Basis

Analysis derived from Audi technical bulletins (2016-2019) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about AUDI CJEE

Find answers to most commonly asked questions about AUDI CJEE.

Research Resources

Comprehensive technical documentation and regulatory references

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Regulation (EC) No 715/2007

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Last Updated: 16 August 2025

All specifications and compatibility data verified against officialAUDI documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .

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