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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67740 Techron Concentrate Plus Fuel System Cleaner - 12 oz.

Product ID: 790004749

Details

Brand
Chevron
Contains Liquid Contents
Yes
Global Trade Identification Number
Item Form
Liquid
Item Weight
336 g
Material Feature
Unscented

⛽12 oz powerful fuel system cleaner

🚗works in one tankful, drives performance

⚙️cleans injectors, valves & combustion chambers

EC$360

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In stock

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Description

⛽ Drive Clean, Drive Confident: Unlock Your Engine’s True Potential!

ONE TANK POWER BOOST - Restores lost power and smooths engine performance in just one tankful while you drive.
COMPLETE FUEL SYSTEM DETOX - Eliminates deposits from injectors, carburetors, valves & combustion chambers for peak engine health.
ENGINE KNOCK PING REDUCER - Reduces annoying engine knock, ping, and cold start issues for a refined driving experience.
REGULAR MAINTENANCE ESSENTIAL - Recommended every 3,000 miles to keep your engine running flawlessly and avoid costly repairs.
TRUSTED BY PROFESSIONALS ENTHUSIASTS - Highly rated with 4.6 stars from over 2,500 reviews, a must-have for serious car care.

Chevron 67740 Techron Concentrate Plus is a 12 oz liquid fuel system cleaner designed to remove deposits from fuel injectors, carburetors, valves, and combustion chambers. It works effectively in one tankful to restore engine power, reduce knocking, and improve overall performance. Recommended for use every 3,000 miles, this unscented formula is trusted by thousands of users and made in the USA.

Specifications

ASIN	B000CCOL3I
Best Sellers Rank	#30,943 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #63 in Petrol Additives
Brand	Chevron
Brand Name	Chevron
Contains Liquid Contents?	Yes
Country of Origin	USA
Customer Reviews	4.6 out of 5 stars 2,532 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

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

V**H

Noticeable improvement after one use — seems to work as advertised

I’m not a car expert, but I decided to try Chevron Techron Fuel System Cleaner just to see if it actually makes any difference. I added one bottle to my fuel tank and then filled it up completely with petrol, as the instructions said. After using it for a full tank, I did notice a few positive changes — the engine idle became smoother, and gear shifts felt more seamless. The car just felt a bit more refined overall. I can’t scientifically prove how much it cleaned or improved the mileage, but the difference was enough for me to feel it wasn’t just a placebo. I’d say it’s worth trying as part of regular car maintenance. I plan to use it again every few thousand kilometers to keep the engine and fuel system clean. So far, a good experience and a product that seems to do what it claims.

9.10.2025

A**R

It works as stated

Refresh engine

25.08.2022

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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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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EC$360

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered 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 Saint Vincent and the Grenadines.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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