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 65740-CASE Techron Concentrate Plus Fuel System Cleaner - 20 oz, (Pack of 6)

Chevron 65740-CASE Techron Concentrate Plus Fuel System Cleaner - 20 oz, (Pack of 6)

Product ID: 258068040

Details

Brand
Chevron
Item form
Liquid
Item volume
120 Fluid
Specific uses for product
Reduces: rough
Unit count
120 Fluid

⛽20 oz powerful fuel cleaner

🔥Reduces engine roughness & hesitation

⚙️Polyether Amine (PEA) tech

€ 323.55

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⛽ Clean fuel, smooth drive, zero compromises.

BULK POWER PACK - Six 20 oz bottles ensure long-lasting maintenance and unbeatable value for your vehicle.
EASY NO ASSEMBLY USE - Ready-to-use liquid formula means no hassle—just pour and drive with confidence.
SMOOTH RIDE GUARANTEE - Effectively reduces rough idle, engine surge, and spark plug fouling to keep your drive flawless.
PRECISION ENGINE DETOX - Advanced PEA formula targets carburetors, intake valves, and combustion chambers for a deep clean.
TRUSTED CHEVRON QUALITY - Backed by a 4.7-star rating from over 1,500 users, join the community of savvy car owners.

Chevron 65740-CASE Techron Concentrate Plus is a premium 20 oz liquid fuel system cleaner, powered by Polyether Amine (PEA) technology. Designed to reduce engine roughness, surge, hesitation, and spark plug fouling, it cleans carburetors, intake valves, and combustion chambers. Sold in a convenient 6-pack, it’s a top-rated choice (#109 in Automotive Fuel System Cleaners) trusted by over 1,500 users for superior engine performance and longevity.

Specifications

Asin	B0097SDUTE
Best Sellers Rank	#107,068 in Automotive (See Top 100 in Automotive) #109 in Automotive Fuel System Cleaners
Brand Name	Chevron
Cleaning Agent Formulation	Detergent
Contains Liquid Contents	Yes
Customer Reviews	4.7 4.7 out of 5 stars (1,508) 4.7 out of 5 stars
Global Trade Identification Number	00023968003104
Item Form	Liquid
Item Volume	120 Fluid Ounces
Item Weight	7.05 Pounds
Manufacturer	Chevron
Model Number	65740-6PK
Number Of Items	6
Part Number	65740-CASE
Size	20 fluid ounces
Special Ingredients	Polyether Amine (PEA)
Specific Uses For Product	Reduces: rough idle, engine surge, hesitation, and spark plus fouling
Surface Recommendation	carburetors, intake valves and combustion chambers
Unit Count	120 Fluid Ounces
Upc	023968003104

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