How Much Do Engine Injectors Cost in 2025

Expect to pay roughly $40–$200 per injector for gasoline port fuel injection (PFI), $120–$600 for gasoline direct injection (GDI), and $250–$900 for modern common-rail diesel, with complete parts-and-labor jobs typically totaling $300–$1,500 for most gasoline vehicles and $800–$3,500 for diesels. Prices vary widely by vehicle, injector type (PFI vs. GDI vs. diesel), brand, and whether you choose new or remanufactured parts.

Typical Price Ranges You’ll See

The following ranges reflect U.S. street pricing as of 2025 for commonly sold passenger-vehicle injectors. These are parts-only estimates unless otherwise noted and can shift with brand, availability, and vehicle specifics.

• Gasoline PFI injectors: $40–$120 each aftermarket; $90–$200 each OEM. Typical set totals: 4-cyl $160–$800, 6-cyl $240–$1,200, 8-cyl $320–$1,600.
• Gasoline GDI injectors: $120–$400 each aftermarket; $200–$600 each OEM. Typical set totals: 4-cyl $500–$1,800, 6-cyl $800–$2,400, 8-cyl $1,200–$3,600.
• Diesel common-rail (light-duty/passenger): $250–$900 each new; $150–$400 each remanufactured. Set totals vary widely with cylinder count and injector design.
• Heavy-duty/industrial diesel: $400–$1,200+ per injector, depending on platform and whether units are piezoelectric or high-spec solenoid designs.
• Performance/flow-matched sets: PFI $90–$250 per injector; GDI $250–$700 per injector, reflecting tighter tolerances and higher flow.

These parts ranges are a baseline. Your actual outlay can be lower with remanufactured units or higher for hard-to-source OEM pieces, high-pressure GDI/diesel designs, and premium performance brands.

Labor and Job Total

Injector replacement labor depends on engine layout and whether intake manifolds, fuel rails, or high-pressure lines must be removed and replaced. Here’s what shops typically quote in 2025.

• Gasoline PFI labor: 0.8–2.0 hours; about $100–$400 at common shop rates.
• Gasoline GDI labor: 1.5–4.0 hours; about $200–$800, often higher if intake removal or carbon cleaning is bundled.
• Diesel common-rail labor: 3–8 hours; about $400–$1,600 due to high-pressure plumbing, leak testing, and coding.
• Complete job totals (parts + labor): most gasoline $300–$1,500; most diesels $800–$3,500. Add 10–20% for premium OEM parts or complex access.

Shops may also add single-use high-pressure pipes, seals, and gaskets to the estimate, plus diagnostic time and, for many GDI/diesel systems, injector coding/programming.

Why Prices Vary So Much

Several technical and market factors drive injector pricing. Understanding these will help you evaluate quotes and choose the right parts.

• Injector type and pressure: GDI and common-rail diesel injectors (often piezoelectric or high-spec solenoid) cost more than low-pressure PFI units.
• New vs. remanufactured: Reman units are cheaper but depend on core condition and quality of overhaul; new OEM commands the highest price.
• Brand and source: Bosch, Denso, Delphi, and Continental/Siemens OEM units typically cost more than generic aftermarket parts.
• Vehicle fitment and access: Tight engine bays, intake removal, and single-use high-pressure lines increase labor and ancillary parts costs.
• Calibration/coding: Many GDI/diesel injectors require coding; shops charge for the procedure and equipment time.
• Cylinder count and configuration: More cylinders mean higher set costs; V engines can add labor complexity versus inline layouts.
• Warranty and support: Longer warranties and flow-matched documentation add cost but reduce risk.
• Supply and counterfeit risk: Scarce or high-demand part numbers and measures to avoid counterfeits can raise prices.

In short, the pressure rating, electronics, and precision tolerances of newer systems are the main cost drivers, with fitment complexity and aftersales support rounding out the price.

Related Costs You Should Budget

Injector jobs often involve additional consumables and procedures to ensure a safe, lasting repair. Budget for items like these.

• Seals, O-rings, clips, and intake gaskets: $20–$120, depending on engine.
• High-pressure fuel pipes (single-use on many GDI/diesels): $20–$80 each.
• Diagnostic time and leak-down testing: $100–$180.
• Injector coding/programming (where applicable): $30–$150.
• Carbon cleaning on GDI engines or rail flushing on diesels: $100–$300.
• Core charges for reman units: $20–$60 per injector, refunded when the old unit is returned.
• Fuel filter replacement (strongly recommended for diesels): $25–$100 parts, plus labor.

Addressing these items prevents repeat failures and is often required to maintain parts warranty coverage.

When Cleaning Is Enough—and When Replacement Is Needed

Not every injector problem requires a new part. Deposits and minor flow issues can sometimes be restored, while mechanical or electrical faults demand replacement.

• Cleaning/flow service: For PFI injectors, professional ultrasonic cleaning and flow testing runs roughly $20–$35 per injector by mail-in services; useful for clogging and minor imbalance.
• Limited benefit on GDI/diesel: External cleaners are less effective; internal wear, leaking needles, or failed piezo/solenoid elements require replacement.
• Replace if you have misfires under load, fuel trims out of range, hard starts with rail-pressure faults, fuel smell in oil, or confirmed electrical failure.
• Consider sets: On high-mileage GDI/diesels, replacing injectors as a matched set can restore balance and reduce comeback risk.

A proper diagnosis—scan data, balance tests, and leak-down checks—helps decide whether cleaning, single-injector replacement, or a full set is the right move.

How to Pin Down Your Exact Cost

Because vehicle fitment and procedures vary, a precise quote requires a few specific steps. Use this checklist to get a reliable, apples-to-apples estimate.

1. Have your VIN ready so the shop or parts supplier can confirm the exact injector part number and whether coding is required.
2. Ask for options: new OEM, new aftermarket from a reputable brand, and reman (with warranty terms and core policy).
3. Request a line-item estimate: parts, seals/gaskets, high-pressure pipes, labor hours, diagnostic time, coding/programming, taxes, shop fees.
4. Confirm single-use parts: verify replacement of any torque-to-yield fuel pipes or seals mandated by the service manual.
5. Discuss related services: GDI intake valve carbon cleaning and diesel fuel filter replacement or rail flushing if contamination is suspected.
6. Check warranty coverage: length (parts and labor), exclusions (contamination, tuning), and required proof of filter/maintenance.
7. Verify timeline and availability: injector lead times can vary; ask about reman or alternative brands if new OEM is backordered.

Following these steps yields a transparent quote and helps you balance cost, reliability, and downtime.

Where to Buy and What to Look For

Buying the right injector is as important as the install. Prioritize authenticity, correct calibration, and support.

• Use trusted sources: dealer parts counters, major aftermarket retailers, or authorized distributors for brands like Bosch, Denso, Delphi, and Continental/Siemens.
• Beware counterfeits: scrutinize packaging, laser-etched codes, and seller reputation; avoid unusually cheap “OEM” listings.
• Prefer flow-matched sets for multi-cylinder replacements, with printed test data where available.
• Match emissions spec and region (e.g., U.S. EPA vs. EU) to ensure correct calibrations and connectors.
• Confirm return and core policies before purchase, especially on reman units.

A vetted supplier and the correct calibration code help ensure proper fueling, smooth idle, and long-term reliability.

Bottom Line

For most gasoline cars in 2025, individual injectors run $40–$600 each depending on PFI vs. GDI, with complete jobs landing around $300–$1,500. Modern diesels typically run $150–$900 per injector (reman to new), and $800–$3,500 for full jobs due to higher parts costs, coding, and labor. Get a VIN-specific, line-item quote and weigh new OEM against quality reman or reputable aftermarket to hit your target balance of cost and reliability.

Summary

Engine injector costs vary by system and vehicle: PFI injectors are the least expensive, GDI and common-rail diesel units cost more due to higher pressures and precision, and labor ranges from about one hour on simple PFI jobs to a full day on some diesels. As of 2025, plan for $40–$200 (PFI), $120–$600 (GDI), and $250–$900 (diesel) per injector, plus labor and related parts. Secure a VIN-based estimate with clear line items, consider reputable reman options where appropriate, and ensure proper coding and replacement of single-use components for a lasting repair.

Is it worth fixing fuel injectors?

If the injectors are in good condition and only need minor cleaning, then cleaning is usually sufficient. However, if they are severely clogged or damaged, replacement is likely the better option for long-term performance and reliability.

How much will it cost to replace injectors?

The average cost of replacing a fuel injector in the UK is from £120 to £160.

Car Manufacturer	Approximate Fuel Injector Cost
Hyundai	£100 – £130
Land Rover	£150 – £190
Mercedes	£140 – £160
Nissan	£115 – £130

How expensive is it to replace an injector?

The average cost to replace a fuel injector can range from $500 to $2,500, but this price varies significantly based on your vehicle’s make and model, the type of fuel injection system (port injection vs. direct injection), whether you replace one or all injectors, and the labor rates in your geographic area. You can find more specific estimates for your vehicle by using online repair estimators from sites like RepairPal or by getting multiple quotes from local mechanics.
 
Factors Influencing Cost

• Vehicle Make and Model: Luxury or high-performance vehicles often have more expensive parts and higher labor costs compared to economy models. 
• Type of Injector: Direct injection systems or high-pressure injectors are more costly than standard port fuel injectors. 
• Number of Injectors: Each cylinder has its own injector, so replacing multiple injectors will increase the overall cost. 
• Labor Costs: Labor rates vary by shop and location, and some vehicles require more disassembly, increasing the time and cost for labor. 
• Parts Quality: OEM (Original Equipment Manufacturer) parts can be more expensive than aftermarket or remanufactured alternatives. 

How to Get an Accurate Quote

1. 1. Research Your Vehicle: Look up your specific car’s year, make, model, and engine type online. 
2. 2. Use Repair Estimators: Visit websites like RepairPal to find average cost ranges for your vehicle. 
3. 3. Get Multiple Quotes: Contact several local auto shops to compare their estimates for parts and labor. 
4. 4. Ask About Options: Inquire about the cost of replacing a single injector vs. a full set and the availability of different part brands. 

Can you drive a car with a bad injector?

You can drive a short distance with a bad fuel injector, but it’s strongly discouraged as it can lead to more severe and expensive engine problems, including catalytic converter failure, engine damage from misfires or flooding, and potential breakdowns. The severity of the damage depends on the injector’s failure mode (not enough fuel, too much fuel, or poor spray pattern), and driving with any of these issues poses risks to your vehicle’s performance and long-term health. 
Risks of Driving with a Bad Fuel Injector

• Catalytic Converter Damage: Opens in new tabAn inaccurate fuel mixture from a failing injector can overheat and destroy the expensive catalytic converter. 
• Engine Misfires: Opens in new tabIf the injector fails to spray fuel properly, it can cause a cylinder to misfire, leading to an incomplete burn and poor engine performance. 
• Engine Flooding: Opens in new tabA fuel injector that sticks open can dump too much fuel into the cylinder, flooding the engine. 
• Hydro Lock: Opens in new tabAn excessive amount of liquid fuel in the cylinder can lead to hydro locking, which can bend connecting rods and damage pistons and other engine components. 
• Washing Out Cylinder Walls: Opens in new tabA constant stream of fuel from a failed injector can wash away engine oil, leading to scoring and damage to the cylinder walls and pistons. 
• Increased Oil Contamination: Opens in new tabFuel can mix with the engine oil, reducing its lubrication properties and potentially causing damage to engine bearings. 

What to Do if You Suspect a Bad Fuel Injector

• Check for warning lights: A malfunctioning fuel injector will often trigger the check engine light. 
• Observe engine symptoms: Pay attention to rough idling, engine misfires, poor engine power, or excessive fuel consumption. 
• Avoid driving for long distances: If you suspect a fuel injector issue, minimize driving to prevent further damage. 
• Seek immediate professional help: Have your vehicle checked by a qualified mechanic as soon as possible to diagnose the problem and prevent costly repairs.