Is there any reason why after using this that I should also use Chevron's fuel injector cleaner or does this do the same thing?

The fuel injector cleaner is for use every 1,000 miles after the initial use of the complete system cleaner when doing an oil change. My Kia recommends using Chevron system cleaner at every oil change, and I'm also going to put the fuel injector cleaner every 1,000 miles after the oil change. You don't put, both in at the same time.

I found an old unopened bottle of the original concentrate, not the Plus. Probably 10 years old. Is it still OK to use.

Yes, its fine to use. The ingredients don't go bad for maybe 20 plus years or more

it's a real pain to open Techron bottle's seal. do you guys have any tips on opening it easily?

I punch the seal with the end of a closed pocket knife. Makes a large enough opening. You don’t need to peel off the foil seal.

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TECHRON - 266701317 Techron Concentrate Plus Fuel System Cleaner, 32 oz

TECHRON - 266701317 Techron Concentrate Plus Fuel System Cleaner, 32 oz

Product ID: 50667575

Details

Brand
Chevron
Item Form
Liquid
Material Feature
durable
Scent
Citrus
Specific Uses For Product
Engine

⛽32 oz concentrated fuel cleaner

⚙️cleans entire fuel system: injectors, valves, chambers

🛠️restores power, fuel economy & smooth engine performance

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€ 81.96

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
Chevron
Item Form
Liquid
Material Feature
durable

Description

🚗 Fuel your drive with power and precision—don’t let your engine miss a beat!

SMOOTH OPERATOR - Reduces rough idle, engine surge, hesitation, and spark plug fouling for seamless drives.
COLD START CHAMPION - Improves cold start performance and stabilizes fuel for up to a year—no more morning engine blues.
VERSATILE TRUSTED - Recommended by automakers, safe for all ethanol fuels including E85, and perfect for cars, trucks, motorcycles & more.
COMPLETE FUEL SYSTEM DETOX - Targets fuel injectors, carburetors, intake valves & combustion chambers for a deep clean.
POWER EFFICIENCY REVIVAL - Restores lost horsepower, acceleration, and fuel economy to keep you ahead on the road.

Techron Concentrate Plus is a premium 32 oz fuel system cleaner featuring patented Polyether Amine (PEA) technology that deeply cleans fuel injectors, carburetors, intake valves, and combustion chambers. It restores lost power, acceleration, and fuel economy while reducing engine roughness and spark plug fouling. Trusted by automakers and safe for all ethanol fuels including E85, it improves cold starts and fuel stability for up to one year. Ideal for use every 3,000 miles or at oil changes in cars, trucks, motorcycles, and other gasoline engines.

Specifications

ASIN	B07576419V
Best Sellers Rank	#974 in Automotive ( See Top 100 in Automotive ) #75 in Fuel Additives
Brand	Chevron
Brand Name	Chevron
Contains Liquid Contents?	Yes
Customer Reviews	4.6 out of 5 stars 16,763 Reviews
Global Trade Identification Number	00023968378028
Included Components	complete fuel additive
Item Form	Liquid
Item Type Name	Fuel System Cleaner
Item Volume	32 Fluid Ounces
Item Weight	1.8 Pounds
Manufacturer	Techron
Material Feature	durable
Material Features	durable
Model Number	266701317
Number of Items	1
Part Number	266701317
Scent	Citrus
Size	32 Fl Oz (Pack of 1)
Special Features	Concentrated
Specific Uses For Product	Engine
Surface Recommendation	Metal
UPC	023968378028
Unit Count	32.0 Fluid Ounces
Warranty Description	Limited Warranty

Reviews

I**N

15.04.2026

M**Y

30.06.2025

D**E

17.04.2026

I**L

6.03.2026

V**T

8.04.2026

D**O

24.04.2026

S**G

2.05.2026

J**P

14.04.2026

V**H

9.10.2025

A**I

23.04.2026

K**G

2.08.2022

A**R

25.08.2022

A**R

23.10.2025

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