Jeep Wrangler Fuel Injector Replacement Cost in 2026

The 3.6L Pentastar V6 (engine code ERB through 2017, ERC from 2018 onward) has been the workhorse Wrangler engine since 2012. It uses port fuel injection at 55 to 65 PSI. Parts cost is moderate: $60 to $110 per OEM injector. The engine bay layout on the Wrangler is forgiving compared to transverse-V6 sedans because the engine sits more longitudinally and there is room above the intake to work.

Mitchell ProDemand lists 3.2 to 3.8 hours of labor for the full Pentastar injector set on a JK or JL Wrangler. At an independent shop charging $110 per hour that is $350 to $420 in labor. Total for a full set at an independent: $700 to $1,000. At a Jeep dealer: $850 to $1,200.

The Pentastar is known for cylinder-head issues on early 2011 to 2013 builds rather than injector issues. If you have a 2012 or 2013 Wrangler with rough idle and misfire codes, ask the shop to do a compression test before assuming injectors. Cylinder head failure on early Pentastars typically shows up as a cylinder 2 or cylinder 5 misfire with weak compression.

From the 2018 JL generation, Jeep offered a 2.0L Turbo I4 (engine code GME T4) in higher Wrangler trims. It uses direct injection at 2,500+ PSI. The 4xe plug-in hybrid Wrangler (2021+) uses the same 2.0L Turbo paired with a 17 kWh battery and electric motor. For injector replacement purposes the engine is identical between the standard 2.0L and the 4xe.

Parts cost: $150 to $230 per injector at OEM Mopar pricing, less at aftermarket. Mitchell ProDemand lists 3.0 to 3.5 hours of labor. Independent shop full set: $900 to $1,200. Jeep dealer: $1,100 to $1,400. The 4xe has the same labor time but requires additional steps to safely isolate the high-voltage system before beginning fuel work.

The 2.0L Turbo is a relatively new engine in the Wrangler application so long-term injector failure data is still being established. Early field reports suggest typical direct-injection wear patterns: 100,000 to 150,000 miles before issues typically appear.

Jeep offered the 3.0L EcoDiesel V6 in the JL Wrangler from 2020 to 2023 (the program was wound down for emissions and cost reasons). The engine uses Bosch common-rail diesel injectors operating at 29,000+ PSI. Each injector is $400 to $700 at OEM pricing, and the ECU stores per-injector calibration data that must be coded when replacements are installed.

Full set replacement on an EcoDiesel Wrangler runs $2,500 to $4,000, with 6 to 8 hours of labor. The work is more involved than the gas engines because of fuel- return-line management, sealing requirements for the high-pressure system, and the need for a scan tool capable of injector coding. Most independent shops without diesel-specific tooling will decline EcoDiesel work; find a diesel specialist or go to a Jeep dealer.

For more on diesel-specific cost dynamics see the diesel common-rail injector cost guide.

The legendary 4.0L AMC straight-six powered Wranglers up through the 2006 model year (TJ generation), and earlier in the YJ and CJ generations. It uses port fuel injection at 40 to 50 PSI. Parts are inexpensive: $50 to $90 per injector even at premium OEM pricing. The engine layout is among the most forgiving for service work; the inline-six places all six injectors in a row along the top of the engine.

Full set replacement on a 4.0L Wrangler runs $400 to $700 at an independent shop. DIY is very approachable: $200 to $350 in parts plus 2 to 3 hours of your own time. The 4.0L is famously durable; if your TJ or YJ is throwing misfire codes the culprit is often a vacuum leak, a worn distributor, or an ignition coil rather than the injectors. Diagnose accordingly.

On any port-injection Wrangler (3.6L Pentastar or older 4.0L), start with $10 to $15 of fuel-system cleaner. Wrangler injectors respond reasonably well to additives because the symptom pattern is usually clog rather than electrical failure. If additives do not resolve the issue, a $50 to $100 professional pressurised cleaning is the next step.

On the 2.0L Turbo and 4xe, fuel-tank additives are less effective. Get a proper fuel-trim diagnostic before authorising replacement; misfires can be caused by ignition coils ($60 to $120) or carbon-fouled intake valves that need walnut blasting ($400 to $700) rather than the injectors themselves.

For EcoDiesel owners, check whether your concern might fall under Stellantis extended emissions warranty (8 years or 80,000 miles federal minimum on diesel emissions components). Some fuel-system failures qualify even if the truck is out of powertrain warranty. See the save money guide and warranty and recalls guide.