FuelPartsDB · WORKSHOP TECHNICAL SERVICE

DOC REF: SOP-CR-INJ-01

WORKSHOP INSTALLATION JOB SHEET & SOP

MOPAR 5184085ACMOPAR 5184085AC Multi-Port Fuel Injector Jeep Grand Cherokee Wrangler Dodge Charger Challenger Durango Ram 1500 3.6L Pentastar V6 · Euro 2556

Technician / Installer:

Date / Odometer:

Vehicle Reg / VIN:

Quality Sign-off:

CRITICAL INSTALLATION SPECIFICATIONS & TORQUES

Torques (Hold-down):8 N·m

Torques (Tightening):8 N·m

Copper washer:Renew the sealing washer on every installation. 1.50 mm standard; step up to 1.70 mm after light seat reaming, 2.00 mm after heavy seat refinishing.

IMA / ECU coding:Not required for this assembly

MANDATORY INSTALLATION CHECKLIST

[ ]Bore cleaned to bare metal using nylon/brass reaming brush & vacuumed (zero debris / no steel wire)
[ ]New copper sealing washer fitted with correct thickness (do not reuse old washer)
[ ]High-temperature ceramic paste applied to injector body shaft (never coat the nozzle tip)
[ ]Hold-down clamp bolt tightened in stage torque/angle sequence as specified
[ ]Fuel rail high-pressure line union torqued without tension or cross-threading
[ ]IMA / QR calibration code entered into diagnostic tool (Lexia/KTS/VCDS) for cylinder balancing
[ ]Low-pressure air bleed performed, engine idling leak-off test verified leak-free

MOPAR

5184085AC

View Specs

SolenoidChrysler Multi-Point Electronic Fuel Injection (MPI 58-psi System)Euro 2556

MOPAR 5184085AC Multi-Port Fuel Injector Jeep Grand Cherokee Wrangler Dodge Charger Challenger Durango Ram 1500 3.6L Pentastar V6

Reference data for Bosch 5184085AC common rail injector · OEM 5184085AD, 05184085AD, 280158233, FJ1147, RL184085AC, 0280158233 · Application Chrysler / Stellantis 3.6L Pentastar DOHC 24V V6 (ERB / ERC)

Engine Platform:Chrysler / Stellantis 3.6L Pentastar DOHC 24V V6 (ERB / ERC) →

OE REFERENCE5184085AD, 05184085AD, 280158233, FJ1147, RL184085AC, 0280158233

CONTROL VALVE4-Hole Precision Cone Spray Atomization Director

NOZZLE-

RAIL PRESSURE4.0 bar

EMISSIONTier 2 Bin 5 / Euro 5 / Euro 6 / LEV III

WARRANTY12 Months

Compatible Injectors

OEM Ref

Vehicle & Engine Fitment

Vehicle	Engine	Years
Jeep Grand Cherokee WK2 / Wrangler JL	Chrysler / Stellantis 3.6L Pentastar DOHC 24V V6 (ERB / ERC)	2011-2023
Dodge Charger / Challenger / Durango	Chrysler / Stellantis 3.6L Pentastar DOHC 24V V6 (ERB / ERC)	2011-2023
Ram 1500 Classic / DT	Chrysler / Stellantis 3.6L Pentastar DOHC 24V V6 (ERB / ERC)	2013-2023

Technical Specifications

Specification	Value
System Type	Chrysler Pentastar Multi-Point Electronic Fuel Injection (MPI)
Operating Fuel Pressure	4.0 bar (58 psi / 400 kPa regulated rail pressure)
Static Fuel Flow Rate	245 g/min @ 4.0 bar (approximately 235 cc/min @ 3 bar)
Electrical Resistance	12.0 - 13.0 Ohms @ 20°C (High-Impedance Saturated Solenoid)
Spray Geometry	4-Hole Precision Multi-Dispersal Cone Pattern
Fuel Rail Fastener Torque	8 N·m (71 in-lb) fuel rail mounting bolts into lower intake
Upper Intake Plenum Fasteners	10 N·m (89 in-lb) composite intake manifold fasteners
Seals Architecture	Upper & Lower High-Fluorine Viton Chemical-Resistant O-Rings
Manufacturer	Bosch / Mopar (Tier-1 OEM for Stellantis)
Bosch Production Reference	0280158233
Operating PressureCore Spec

Installation Tips

Tips & Warnings:

Inspect injector retaining wire clips: Ensure retaining clips securely lock the injector shoulder into the fuel rail cup; improper clip engagement allows the injector to pop out under 58 psi rail pressure.
Always replace lower plenum intake gaskets: The teal silicone upper-to-lower intake manifold gaskets harden and flatten; reuse causes unmetered intake vacuum leaks and P0171/P0174 codes.
Never use silicone grease on O-rings: Coat strictly with clean engine oil or clean transmission fluid; silicone will damage upstream oxygen sensors.
Tighten intake manifold fasteners in crisscross sequence: Torque upper intake manifold fasteners in alternating center-outward sequence to 10 N·m (89 in-lb) to prevent warping the composite plastic.

Diagnostic Trouble Codes & Fault Protocols

Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift:

P0087Critical

Fuel Rail / System Pressure Too Low

Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.

P0087 Guide →🧪 Backleak Calculator

P0201 - P0208High

Injector Circuit Malfunction / Open Circuit

Solenoid coil resistance drift (0.2-0.5 Ω) or piezo stack degradation triggers driver stage shutdown on affected cylinders.

P0201 Circuit Guide →

P0300 / P0301+High

Cylinder Misfire & Balancing Deviation

Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.

P0300 Misfire Protocol →💻 IMA Coding Tool 📐 Washer Thickness

P0088High

Fuel Rail / System Pressure Too High

Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.

P0088 Guide →📊 Rail Pressure Converter

Browse all 61 Diesel Diagnostic Trouble Codes in our Workshop Hub ->

WORKSHOP PROTOCOLS

Technical Diagnostic & Service Protocols

Authoritative field procedures, diagnostic testing thresholds, and service SOPs for this assembly.

Workshop Diagnostic Protocol

Common Rail Injector Back-Leak Testing Guide

Common rail injector backleak test protocol. Graduated cylinder setup, warm idle & cranking limits in mL/min, control valve wear & P0087 diagnosis.

Read Technical Protocol

COMMON RAIL DIESEL WORKSHOP SOP

Stuck Injector Removal & Carbon Cleaning SOP | FuelPartsDB

Comprehensive workshop SOP for stuck diesel injector removal, pneumatic vibro-puller extraction, carbon solvent softening, and seat reaming without damage.

Read Technical Protocol

ASSEMBLY & INSTALLATION PROTOCOL

Diesel Injector Torque Specs & TTY Angles Guide

Common rail diesel injector hold-down bolt torque specs, TTY angles & pipe unions. Covers Bosch, Detroit DD13, Cummins & VAG 2.0 TDI workshop data in Nm.

Read Technical Protocol