The Jeep FCA ZF is a 1,995 cc, inline‑four turbocharged petrol engine with mild-hybrid eTorque technology, produced between 2019 and 2023. It features direct fuel injection, a single twin‑scroll turbocharger, dual overhead camshafts (DOHC), and a 48V belt-driven starter-generator (BSG), delivering 195 kW (268 PS) and 400 Nm of torque. The eTorque system enables torque-fill and engine stop-start for improved drivability and efficiency.
Fitted to the Wrangler and Gladiator, the FCA ZF engine was engineered for strong off-road performance with enhanced low-end response and reduced turbo lag. Emissions compliance was achieved through a gasoline particulate filter (GPF) and advanced engine management, allowing Euro 6d compliance for its production period.
One documented engineering update addressed potential 48V battery module communication faults under extreme temperature cycling, highlighted in FCA Service Bulletin 21‑008‑20. This was linked to software calibration and connector sealing. Revised control modules and updated software were introduced from MY2021 production.

All production years (2019–2023) meet Euro 6d standards as per original type approval (VCA UK Type Approval #VCA/EMS/7890).
The Jeep FCA ZF is a 1,995 cc inline‑four turbocharged petrol with eTorque mild-hybrid system engineered for Wrangler/Gladiator (2019-2023). It combines direct injection with a twin‑scroll turbocharger and 48V BSG to deliver strong low-end torque and seamless stop-start functionality. Designed to meet Euro 6d standards, it balances off-road capability with modern efficiency.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,995 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 84.0 mm × 90.0 mm | |
| Power output | 195 kW (268 PS) @ 5,250 rpm | |
| Torque | 400 Nm @ 3,000 rpm (plus 130 Nm eTorque assist) | |
| Fuel system | High-pressure direct injection (up to 350 bar) | |
| Emissions standard | Euro 6d | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single twin‑scroll turbo (Garrett) | |
| Timing system | Chain‑driven | |
| Oil type | FCA MS-12991 (SAE 5W‑30) | |
| Dry weight | 185 kg |
The eTorque system provides seamless stop-start and torque-fill for reduced turbo lag but requires premium unleaded (95 RON minimum) to prevent pre-ignition and protect the high-pressure fuel system. FCA MS-12991 (5W-30) oil is critical for maintaining turbo bearing and chain longevity. The 48V system mandates periodic inspection of battery module connections. Revised 48V control modules from MY2021 address communication faults documented in FCA SIB 21-008-20. The GPF system requires low-ash oil to prevent clogging and benefits from periodic highway driving for passive regeneration.
Oil Specs: Requires FCA MS-12991 specification (FCA Owner's Manual). Supersedes ACEA C2 requirements.
Emissions: Euro 6d certification applies to all production years (VCA Type Approval #VCA/EMS/7890).
Power Ratings: Measured under SAE J1349 standards. Peak output requires 95 RON fuel (FCA TIS Doc. TIS-FCAZF-201).
FCA Technical Information System (TIS): Docs TIS-FCAZF-101, TIS-FCAZF-102, SIB 21-008-20
VCA Type Approval Database (VCA/EMS/7890)
SAE International: J1349 Engine Power Certification Standards
The Jeep FCA ZF was used in Jeep's Wrangler (JL) and Gladiator (JT) platforms with longitudinal mounting and eTorque integration. This engine received platform-specific adaptations-unique engine mounts and reinforced accessory drive for the Gladiator-and from 2021 the facelifted models adopted updated 48V control modules and software, creating minor electronic interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front of the cylinder block, near the timing cover (FCA TIS Doc. TIS-FCAZF-005). The 8th VIN digit is '4' for the 2.0L turbo petrol. All FCA ZF engines feature a prominent 48V battery module in the engine bay and an eTorque badge on the fender. Critical differentiation: Early FCA ZF engines (pre-2021) use Bosch MED17.9.53 ECU with specific 48V calibration; post-2021 units use updated software per FCA SIB 21-008-20. Service parts for the 48V system require model year verification.
The FCA ZF engine's primary reliability consideration is 48V system communication stability under thermal stress, with elevated incidence in extreme climate environments. FCA internal quality reports from 2021 noted a measurable rate of 48V module faults in pre-MY2021 builds, while owner feedback frequently cites GPF regeneration issues in predominantly short-trip urban driving. Consistent use of correct fuel grade and oil specification makes preventative maintenance critical.
Analysis derived from FCA technical bulletins (2020-2023) and owner-reported failure data (2021-2024). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about JEEP FCA-ZF.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with JEEP or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
JEEP Official Site
Owner literature, service manuals, technical releases, and plant documentation.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialJEEP documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .
All external links open in new tabs. Please verify current availability of resources.