Fuel Injector Replacement Cost

Replace clogged or leaking fuel injectors.

$600 – $1,800

Typical labor: 2 to 5 hours

Parts vs Labor

55% / 45%

Typical share of total cost

Labor Time

2 to 5 hours

At a typical shop

Difficulty

Advanced DIY

3 of 5

Prices are national averages. Your exact cost depends on your vehicle, location, and shop. Get a free personalized AI estimate above.

Common Symptoms

Misfires and check engine light

Strong fuel smell

Rough idle

Poor fuel economy

Engine starts hard

Fuel injectors spray a precise amount of fuel into each cylinder. They can clog from poor-quality fuel or fail electrically over time.

Bad injectors cause misfires that damage the catalytic converter and waste fuel.

Try a quality fuel system cleaner (Techron, Gumout Regane) for 2 or 3 tankfuls before replacing, often clears mild clogs
On a high-mileage car, replace all injectors at once, they age together

Shops commonly pair fuel injector replacement with these jobs to save on overlapping labor:

Check if your shop quote is fair before paying. Get a free line-by-line AI estimate for your year, make, and model in under a minute, then compare.

Will injector cleaner really help?

For mild buildup, yes. For a fully failed injector, no, only replacement works.