The typical total cost to replace all four fuel injectors on a 2017 Honda Civic ranges from about $600 to $1,800, depending on parts quality, labor rates, and whether only one injector or all four are replaced. If you’re replacing a single injector, expect roughly $350 to $750 in total. Exact prices vary by region and shop.
In 2017, the Civic lineup included both a naturally aspirated 2.0-liter engine and a 1.5-liter turbocharged engine with direct injection. Direct-injection systems tend to be pricier to service due to higher-pressure components and more complex fuel rails. Always get a written estimate that itemizes parts, labor, and any related services.
What affects the cost
Prices are driven by the type of injector, how many are being replaced, the shop’s labor rate, and whether additional work is required during the job.
- Injector type: direct-injection injectors are typically more expensive than older port-injection units.
- Number of injectors replaced: one injector is cheaper than replacing all four.
- Labor rate and time: regional rates and the engine layout affect the hours required.
- Vehicle variant: the 1.5L turbo (direct injection) can be more complex to service than some naturally aspirated configurations.
- Additional parts or services: O-rings, seals, fuel rail gaskets, fuel-pressure tests, and potential cleaning of the intake or throttle body may add cost.
- Parts source: OEM vs aftermarket parts can shift price significantly.
Prices vary widely by region and shop, and some shops include a engine “relearn” or idle reset in the labor. Always request a detailed estimate before authorizing work.
Estimated price ranges by scenario
Below are typical ranges seen in U.S. shops as of 2024–2026. They assume standard parts quality and labor rates and do not include taxes or disposal fees.
- Replacing a single injector: about $350–$750 total. This includes parts and labor for one unit, with higher costs in direct-injection setups.
- Replacing all four injectors: about $600–$1,800 total. Parts can range from budget aftermarket to OEM, with labor reflecting the time to access the rail and replace all units.
In practice, the final number can be higher if auxiliary components must be replaced or if shop rates are above average. Some dealers quote toward the higher end of the range, while independent shops may be more competitive.
What to expect during the replacement process
Understanding the steps can help you evaluate the estimate and plan for downtime. The process typically includes diagnostic confirmation of misfire codes, fuel‑system de-pressurization, injector removal, replacement, re-sealing, and testing.
- Diagnosis: technician confirms misfires and identifies faulty injectors via codes and testing.
- Access and safety: power is disconnected, fuel pressure is relieved, and access panels or intake components are removed as needed.
- Injector replacement: faulty injector(s) are replaced with new units, and seals/o-rings are refreshed to prevent leaks.
- System check: fuel rail and lines are reassembled, a pressure test is performed, and there are no leaks in the rail or seals.
- Relearn and test drive: the engine control unit is relearned for idle and driving conditions, followed by a test drive to ensure proper operation.
- Final inspection: codes are cleared if necessary, and the technician verifies proper function and no MIL illumination.
Time to complete can range from a few hours to a full day depending on access, engine variant, and whether other components require service alongside the injectors.
Questions to ask your mechanic
To get a clear, actionable quote, consider asking these questions before authorizing service.
- Do you replace all four injectors or just the faulty one, and what informs that decision?
- Are the injectors OEM or aftermarket, and what is the warranty on the parts?
- What is the labor rate and estimated hours for this job for my exact Civic variant (engine code, turbo or non-turbo)?
- Will you replace o-rings and seals, and test for leaks after installation?
- Is a throttle-body or intake cleaning recommended in conjunction with injector replacement?
Getting a written, line-item estimate helps you compare quotes and understand where the money goes—parts, labor, and potential ancillary services.
Summary
For a 2017 Honda Civic, injector replacement costs hinge on whether you replace one unit or all four, the injector type (direct vs port), labor rates, and any ancillary services required. A single injector typically runs around $350–$750, while replacing all four commonly totals about $600–$1,800. Direct-injection engines tend to be pricier to service due to complexity. Always obtain a detailed estimate and consider the vehicle’s specific engine variant when planning to repair fuel injectors.