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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Chevron Techron Concentrate Plus Fuel System Cleaner, 12 oz, Pack of 1

Chevron Techron Concentrate Plus Fuel System Cleaner, 12 oz, Pack of 1

Product ID: 6648921

Details

Brand
Chevron
Item Form
Liquid
Material Feature
Unscented
Scent
Unscented
Specific Uses For Product
Vehicle Fuel

⚡Restores lost power & acceleration

⛽Cleans entire fuel system

🛡️Protects engine components up to 1 year

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KD 10.22

Duties & taxes included

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Description

⛽⚡ Unlock your engine’s hidden potential—drive cleaner, drive stronger!

ROUTINE READY - Use every 3,000 miles or at oil changes to maintain that showroom smoothness and avoid costly repairs.
SMOOTH OPERATOR - Reduces rough idling, engine surge, hesitation, and spark plug fouling for seamless performance.
COLD START CONFIDENCE - Improves ignition and fuel stability even in the chilliest conditions—no more morning engine struggles.
TOTAL FUEL SYSTEM DETOX - Eliminates deposits from injectors, carburetors, valves & chambers for peak engine health.
POWER EFFICIENCY REVIVAL - Restores lost horsepower, acceleration, and fuel economy—feel the difference every drive.

Chevron Techron Concentrate Plus is a powerful 12 oz fuel system cleaner that thoroughly cleans and protects your entire fuel system, restoring lost power, improving fuel economy, and reducing engine issues like rough idle and hesitation. Trusted by millions, it delivers noticeable performance improvements with every tank and supports long-term engine health when used regularly every 3,000 miles.

Specifications

ASIN	B000CCOL3I
Best Sellers Rank	#189 in Automotive ( See Top 100 in Automotive ) #2 in Fuel System Cleaners #135 in Cleaners
Brand Name	Chevron
Contains Liquid Contents?	Yes
Customer Reviews	4.6 4.6 out of 5 stars (16,982)
Global Trade Identification Number	00023968677404
Included Components	TECHRON 12 OZ
Item Form	Liquid
Item Length	3.13 Inches
Item Type Name	Concentrate Plus Fuel System Cleaner
Item Weight	11.84 ounces
Manufacturer	Chevron
Material Features	Unscented
Model Number	67740
Number of Items	1
Part Number	67740
Scent	Unscented
Size	12 Ounce (Pack of 1)
Specific Uses For Product	Vehicle Maintenance, Fuel System Cleaning
UPC	023968378004 023968677404
Unit Count	12.0 Ounce
Warranty Description	LIMITED WARRANTY

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