Primrose
406 Injector Perfector
406 Injector Perfector
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Primrose Injector Perfector is an advanced combustion chamber detergent which is highly effective for all types of fuel system deposits. It is a versatile multifunctional additive that provides superior intake valve deposit (IVD) control, port fuel injection (PFI) and carburetor detergency, and outstanding rust protection.
Injector Perfector exceeds the BMW Unlimited Mileage IVD Test, the highest standard of gasoline detergency.
Injector Perfector may be used in both leaded and unleaded gasolines of any octane number or any ethanol blend. It will not harm catalytic converters or oxygen sensors. Injector Perfector is also recommended for use in diesel fuels for fuel system cleanliness and rust protection. While not specifically recommended as a crankcase oil treatment, unlike some competitive amine chemistry that has an adverse effect on crankcase oil from blow-by, Injector Perfector is compatible with and beneficial to crankcase oil. Burner fuels treated with Injector Perfector will provide effective deposit control for burner nozzles.
APPLICATIONS:
Clean-up: One 12 oz. Bottle Injector Perfector to 20 gallons of fuel or one gallon Injector Perfector to 250 gallons of fuel.
Keep Clean: 3 oz. Injector Perfector to 20 gallons of fuel or 1 gallon Injector Perfector to 1,000 gallons of fuel.
The sulfur content of this diesel fuel additive does not exceed 15 ppm. This diesel fuel additive complies with the federal low sulfur content requirements for use in diesel motor vehicles and nonroad engines.
Technical Data Sheet
Open / downloadSafety Data Sheet
Open / downloadKey specifications
- Treat rate
- clean-up 12 oz per 20 gallons of fuel or 1 gallon per 250 gallons; keep clean 3 oz per 20 gallons or 1 gallon per 1,000 gallons
- Fuels
- Leaded or unleaded gasoline of any octane number or ethanol blend, diesel fuel, burner fuel
- Catalytic converters and oxygen sensors
- Will not harm (per Primrose)
- Intake valve detergency
- Exceeds the BMW Unlimited Mileage IVD Test
- Sulfur content
- Does not exceed 15 ppm; complies with federal low sulfur requirements for diesel motor vehicles and nonroad engines
- Pour point
- -60 F
- Alcohol content
- None
Summarized from the manufacturer's Technical Data Sheet (see the Technical Data tab above). The full data sheet is the authoritative reference.
Common questions about 406 Injector Perfector
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What does 406 Injector Perfector do?
406 Injector Perfector is a Primrose fuel injector and intake system detergent that cleans fouled fuel injectors, carburetors and intake valves and removes combustion chamber deposits. It also adds rust protection, and it exceeds the BMW Unlimited Mileage IVD Test for intake valve deposit control.
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How much 406 Injector Perfector do I add to my fuel tank?
For a clean-up, add one 12 oz bottle of 406 Injector Perfector to 20 gallons of fuel, or 1 gallon per 250 gallons. For keep-clean treatment, add 3 oz per 20 gallons of fuel, or 1 gallon per 1,000 gallons. It goes in the fuel: Primrose does not specifically recommend it as a crankcase oil treatment.
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Can I use 406 Injector Perfector in ethanol gas, and will it hurt my catalytic converter or oxygen sensors?
Yes, 406 Injector Perfector can be used in gasoline of any octane number or any ethanol blend, and Primrose states it will not harm catalytic converters or oxygen sensors. It contains no alcohol.
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Can I use 406 Injector Perfector in diesel or burner fuel?
Yes, Primrose recommends 406 Injector Perfector in diesel fuel for fuel system cleanliness and rust protection, and says burner fuels treated with it get deposit control for burner nozzles. Its sulfur content does not exceed 15 ppm, and Primrose states it complies with federal low sulfur requirements for diesel motor vehicles and nonroad engines.
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Will 406 Injector Perfector help with knock, ping or run-on in my gasoline engine?
For gasoline engines, yes: Primrose lists eliminating knock, ping and after-running among the benefits of 406 Injector Perfector. Primrose also says it reduces combustion chamber deposits, eliminates the cause of pre-ignition and reduces run-on.
