Fuel injector issues can significantly impact your engine’s performance, fuel efficiency, and emissions. If you’re experiencing rough idling, misfires, or reduced gas mileage, a faulty injector may be the culprit. But how much does it cost to fix a fuel injector in 2025? The answer depends on several factors, including the make and model of your vehicle, the severity of the problem, and whether you choose to clean, repair, or replace the injector.
Average Fuel Injector Repair Costs in 2025
-
Cleaning a fuel injector: $50–$100 per injector
This is often the first step if the injector is clogged but not physically damaged. -
Replacing a single fuel injector: $150–$300 (parts + labor)
OEM or high-performance parts may cost more, especially for luxury or diesel engines. -
Replacing all injectors (4–8 cylinders): $600–$2,000
Replacing the entire set is often recommended for older engines to ensure balanced fuel delivery.
Additional Cost Factors
-
Labor charges: $70–$150/hour depending on the shop and location
-
Diagnostics: $80–$120, usually included if repairs are performed
-
Aftermarket vs OEM parts: Aftermarket injectors are cheaper but may not offer the same reliability or warranty
Is It Worth Fixing?
Yes. Ignoring a faulty fuel injector can lead to poor performance, engine damage, or failed emissions tests. Early intervention typically reduces overall repair costs.
Final Thoughts
Fixing a fuel injector isn’t cheap, but it’s a necessary investment in your vehicle’s long-term health and performance. Always consult a certified mechanic for accurate diagnostics. Routine maintenance, including using quality fuel and injector cleaners, can help prevent issues and extend injector life.
