--- product_id: 144308588 title: "Fuel Injector Tester and Cleaner, Professional K102S Fuel Injector Tester, Automotive Gasoline Injector Testers DC12V 1~50 Hz Diagnostic Tool" brand: "kawish" price: "€ 73.46" currency: EUR in_stock: true reviews_count: 10 category: "Kawish" url: https://www.desertcart.hr/products/144308588-fuel-injector-tester-and-cleaner-professional-k102s-fuel-injector-tester store_origin: HR region: Croatia --- # 12V power supply Adjustable pulse width & frequency Includes 2 injector adapters Fuel Injector Tester and Cleaner, Professional K102S Fuel Injector Tester, Automotive Gasoline Injector Testers DC12V 1~50 Hz Diagnostic Tool **Brand:** kawish **Price:** € 73.46 **Availability:** ✅ In Stock ## Summary > 🔧 Power up your fuel system diagnostics like a pro—don’t let injector issues slow you down! ## Quick Answers - **What is this?** Fuel Injector Tester and Cleaner, Professional K102S Fuel Injector Tester, Automotive Gasoline Injector Testers DC12V 1~50 Hz Diagnostic Tool by kawish - **How much does it cost?** € 73.46 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/144308588-fuel-injector-tester-and-cleaner-professional-k102s-fuel-injector-tester) ## Best For - kawish enthusiasts ## Why This Product - Trusted kawish brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Portable:** Lightweight 250g design fits in your toolkit, perfect for on-the-go diagnostics and maintenance. - • **All-in-One Cleaning Kit:** Test and clean injectors effortlessly with included adapters and a single bottle of carburetor cleaner. - • **User-Friendly Interface:** Intuitive LCD display with simple knob and buttons—get professional results in minutes, no expertise needed. - • **Built-In Safety Protections:** Reverse polarity and over-voltage safeguards keep your device and vehicle safe during testing. - • **Precision Injector Diagnostics:** Simulate 4 preset engine modes or customize pulse width & frequency for tailored testing. ## Overview The Kawish K102S Fuel Injector Tester and Cleaner is a compact, battery-powered diagnostic tool designed for gasoline vehicle injectors. Featuring a 12V power supply, adjustable pulse width and frequency, and two injector adapters, it enables precise testing and cleaning with ease. Its LCD screen and simple controls make it accessible for both professionals and DIYers, while built-in safety features protect against reverse polarity and over-voltage. Backed by a 1-year warranty, this tool streamlines injector maintenance to keep your engine running smoothly. ## Description Product description K102S is a simple, powerful injector tester, which can test Gasoline injector, we offer besides the tester,also have 2 injector adapters, so you can do a simply test and cleaning for your injector with just one bottle of carburetor cleaner. Very convenient How to connect adapter There are two sizes of adapters,Suitable for most common gasoline injectors, one end of the adapter is connected with cleaning agent,the side large hole at the other end connects the fuel injector. Special Notes The adapter does not have a locking device whether it is connected to the fuel injector or the detergent connector, so you need to hold it with your hands when using it, and wear protective equipment to prevent the body from being injured by the splashing of the detergent Wiring diagram It only needs a battery and a bottle of detergent to test and clean the fuel injector, which is very convenient and simple to use How to use 1. Use main cable toconnect be test injector and K102S ,Black wire is Ground wire,and Whitewire is test wire 2. Power on K102S,Choose work Mode or set Frequency and width 3. Connect the injectorAdapter and test fuel supply to injector 4. Press Start button,then the fuel will spay from injector Instuctions for use Package include 1 pcs K102S Host 2 pcs Injector Adapter (as see in the video) 1 pcs User manual Review: Works fine - Great for a quick test Review: cheap and versatile - Cheap and versatile. Provides variety of injector pulses, and comes with adaptors to blast canned carb cleaner through your injectors. I spliced an injector pigtail onto the injector contacts, since I only have one type of injector to test.... ## Features - K102s fuel injector tester is a simple, powerful, which can test Gasoline injector, we offer besides the Automotive Fuel Injector Tester ,also have 2 injector adapters, so you can do a simply test and cleaning for your injector with just one bottle of carburetor cleaner. Very convenient - This Fuel Injector Cleaning Kit have two button and one knob ,knob is used to turn up or down the set value, one button is used for start or stop spray, one button is used for switch cursor.(Injector Tester Cleaner power by the 12V battery ) - fuel injector tester and cleaner has a LCD screen,which display the injector working Mode ,working pulse width and working frequency,so you can simulate the various working states of the engine by set different frequency and pulse width, K102S has preset 4 working states: VL, VE,TL ,HL,They may not be suitable for all situations,You can set parameter according to your own needs. - 12V Fuel Injector Tester and Cleaner also have some protection design ,you don’t worry Reverse power supply, and Short-time over-voltage. So it’s a very easy tool ,no matter your are a professional or amateur, you can use it in 5 minutes.(Make sure you wear eye protection, to avoid being sprayed on the face.) - At last:We have 12 months of quality assurance. If you are not satisfied with our products, or if K102S are any quality problems. Please contact us first.we will solve your problem ASAP ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07V43G3H3 | | Best Sellers Rank | #168,391 in Automotive ( See Top 100 in Automotive ) #267 in Fuel Pressure Testers | | Brand | Kawish | | Brand Name | Kawish | | Color | Blue-102s | | Compatible Devices | Gasoline vehicles with fuel injectors | | Customer Reviews | 4.4 out of 5 stars 193 Reviews | | Item Dimensions | 4.72 x 3.15 x 1.57 inches | | Item Type Name | Flush Cleaner Adapter For Car Fuel Injector | | Item Weight | 250 Grams | | Item dimensions L x W x H | 4.72 x 3.15 x 1.57 inches | | Manufacturer | kawish | | Maximum Operating Voltage | 12 Volts | | Measurement Type | Voltage, Pulse Width, Frequency | | Minimum Operating Voltage | 8 Volts | | Model | 021 | | Part Number | AB-15 | | Power Source | Battery Powered | | Style | fuel injector test kit | | Style Name | fuel injector test kit | | UPC | 034948750703 | | Unit Count | 1.0 Count | | Upper Temperature Rating | 40 Degrees Celsius | | Warranty Description | 1 YEAR | ## Product Details - **Brand:** Kawish - **Color:** Blue-102s - **Item Weight:** 250 Grams - **Power Source:** Battery Powered - **Style:** fuel injector test kit ## Images ![Fuel Injector Tester and Cleaner, Professional K102S Fuel Injector Tester, Automotive Gasoline Injector Testers DC12V 1~50 Hz Diagnostic Tool - Image 1](https://m.media-amazon.com/images/I/61beEH6q2EL.jpg) ![Fuel Injector Tester and Cleaner, Professional K102S Fuel Injector Tester, Automotive Gasoline Injector Testers DC12V 1~50 Hz Diagnostic Tool - Image 2](https://m.media-amazon.com/images/I/61GPb9q9e-L.jpg) ![Fuel Injector Tester and Cleaner, Professional K102S Fuel Injector Tester, Automotive Gasoline Injector Testers DC12V 1~50 Hz Diagnostic Tool - Image 3](https://m.media-amazon.com/images/I/61ONP-S3H6L.jpg) ![Fuel Injector Tester and Cleaner, Professional K102S Fuel Injector Tester, Automotive Gasoline Injector Testers DC12V 1~50 Hz Diagnostic Tool - Image 4](https://m.media-amazon.com/images/I/71M3rjGe7VL.jpg) ![Fuel Injector Tester and Cleaner, Professional K102S Fuel Injector Tester, Automotive Gasoline Injector Testers DC12V 1~50 Hz Diagnostic Tool - Image 5](https://m.media-amazon.com/images/I/61ouRglChLL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: After pressing start does it stop automatically? Is there a mode that pulses the injector for a certain time then stop?** A: You can have The tester have a countdown and after the countdown is over, it stops pulsing the injector. There are different modes, different pulse frequencies and different counters all adjustable **Q: Will this tester work with injector on car? i imagine you flood your cylinder with fuel?** A: YES IF THE FUEL PUMP IS RUNNING ,THE BEST THING IS TO REMOVE THE INJECTOR TO TEST, BUT THE FIRST THING IS CHECK THE RESISTANCE OF THE INJECTOR TO IF IT SHORTED... **Q: Do you think this would be able to control 4 injectors at the same time?** A: You can make a second circuit with a mossfet/transistor triggered by this device as a signal to controll any number of injectors you wish. **Q: Will this work on a GDI injector?** A: THIS TESTER WILL NOT WORK ON THE GDI INJECTOR ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works fine *by B***Y on July 3, 2025* Great for a quick test ### ⭐⭐⭐⭐⭐ cheap and versatile *by F***N on May 12, 2026* Cheap and versatile. Provides variety of injector pulses, and comes with adaptors to blast canned carb cleaner through your injectors. I spliced an injector pigtail onto the injector contacts, since I only have one type of injector to test.... ### ⭐⭐⭐⭐ Does work but hard to get a good seal *by S***N on January 11, 2023* It does work to pulse the injector but the adapters are really hard to seal to the injector ## Frequently Bought Together - Kawish Fuel Injector Tester and Cleaner, Professional K102S Fuel Injector Tester, Automotive Gasoline Injector Tester DC12V 1~50 Hz Diagnostic Tool - Gumout 800002231 Carb and Choke Cleaner Jet Spray - 14 oz. - Universal Fuel Injector Flush Cleaner Adapter, with 2 Size Injectors Nozzles Adapter, 12V Fuel Injector Cleaning Kit for Auto Car Diesel Gas Fuel Injector --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/144308588-fuel-injector-tester-and-cleaner-professional-k102s-fuel-injector-tester](https://www.desertcart.hr/products/144308588-fuel-injector-tester-and-cleaner-professional-k102s-fuel-injector-tester) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-18*