Description
SIERRA Fuel Injector Cleaner – 18-8606 is a concentrated service chemical formulated to remove deposits from gasoline fuel injectors and related fuel-system surfaces.
It is intended for corrective injector cleaning when deposits contribute to rough idle, hesitation, poor cold starting, injector misfire or reduced performance. It can also help clean intake-port, combustion-chamber and piston-surface deposits during the service process.
Key Features
- Suitable for port and direct-injection fuel injectors
- Targets deposits linked to rough idle, hesitation and stalling
- Helps clean intake-port, combustion-chamber and piston deposits
- Can help restore injector spray quality and fuel-system performance
- Verify the OEM part number and physical configuration before installation.
Specifications
- Manufacturer Part Number: 18-8606
- Product Type: Fuel injector cleaner
- Fuel System: Gasoline port/direct injection
- Case Quantity: 12 bottles
Use as a service chemical according to Sierra and engine-manufacturer procedures; not a substitute for mechanical diagnosis.


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