Diesel Fuel Injector Replacement Cost

$192   to   $398
Labor: $103 - $131
Parts: $89 - $267
Estimate does not include taxes and fees.

When a fuel injector fails, you may experience hard starting, misfires, or an engine that lacks power. The fuel injectors may also leak fuel.

Fuel injectors may be replaced when the problem is actually dirty fuel filter(s), low engine compression, worn out glow plugs, failed fuel supply pump, defective glow plug relay, improper injector pump timing, and/or poor fuel quality.

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