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.

Chevron 67740 Techron Concentrate Plus Fuel System Cleaner 12 Oz

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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฿5303

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

⛽ Drive Clean, Drive Confident: Power Up Your Engine’s Potential!

INSTANT POWER REVIVAL - Restores lost horsepower and smooths engine knock in just one tankful while you drive.
UNSCENTED CLEAN FORMULA - No overpowering smells—just pure, effective cleaning power for your vehicle.
COMPLETE FUEL SYSTEM DETOX - Eliminates deposits from injectors, carburetors, valves, and combustion chambers for peak engine health.
ROUTINE MAINTENANCE ESSENTIAL - Recommended every 3,000 miles to keep your engine running like new and avoid costly repairs.
TRUSTED BY PROFESSIONALS ENTHUSIASTS - Chevron’s proven formula with 4.6-star rating and thousands of happy drivers worldwide.

Chevron 67740 Techron Concentrate Plus is a 12 oz unscented liquid fuel system cleaner designed to remove deposits from fuel injectors, carburetors, valves, and combustion chambers. It restores engine power and reduces knock, recommended for use every 3,000 miles, ensuring optimal vehicle performance and longevity.

Specifications

ASIN	B000CCOL3I
Best Sellers Rank	#65,465 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #98 in Petrol Additives
Brand	Chevron
Brand Name	Chevron
Contains Liquid Contents?	Yes
Country of Origin	USA
Customer Reviews	4.6 out of 5 stars 2,528 Reviews
Global Trade Identification Number	00023968677404
Included Components	Chevron Techron Concentrate Plus Fuel System Cleaner - 12 oz.
Item Form	Liquid
Item Type Name	chevron
Item Weight	336 g
Manufacturer	chevron
Material Feature	Unscented
Material Features	Unscented
Model Number	67740
Net Quantity	354.8824 Milliliters
Number of Items	1
Part Number	67740
Scent	Unscented
Size	354.88 ml (Pack of 1)
Specific Uses For Product	Vehicle Maintenance, Fuel System Cleaning
UPC	023968378004 023968677404
Unit Count	354.8824 Milliliters

Reviews

Y**I

Good product and delivery service

Thank you for your parcel service

14.10.2025

K**G

Amazing

A great product for German cars. But use only after 5K-6k kms. For best results, always try to run the car on long drives after filling.

5.09.2025

A**R

It works as stated

Refresh engine

25.08.2022

A**D

good

16.07.2026

M**R

Best item in category

6.07.2026

A**I

Honest advice

Excellent

23.04.2026

D**D

Dont really what to expect

9.01.2026

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฿5303

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago