LPG TECH 204/4 Cylinders car conversion kit


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LPGTECH TECH-204 - 4CYLINDER LPG/CNG ECU Controller - 5 years warranty! 

Product Include:

  1. NEW LPGTECH-204 ECU Controller
  2. NEW Wiring Loom
  3. LPGTECH PTS-01 Pressure and Temperature Integrated Sensor
  4. TECHLevel Hall Level Sender Sensor with wirng NEW!
  5. LPG/Petrol Switch (NEW with plug connector!)
  6. LPG Vapour Phase Filter 12mm IN/OUT 
  7. M5 Reducer Temperature Sensor, Vacuum Nozzle, Accessories



LPGTECH is a producer of highest quality LPG/CNG Controllers and Autogas Accessories. Based on many years of experience in the LPG business, engineers decided to design modern and possibly the most perfect control unit. The result of research and long testing are LPGTECH controllers present at global markets over 3 years. After that time reliability connected with build in protections are so high so manufacturer decided to give 5 years warranty for LPGTECH ECU’s. Very modern software with sophisticated algorithms allow precise, automatic calibration with autoadaptation of  ECU to the conditions and engine load so LPGTECH ECU’s are very easy to install but offers as well ability to manual set and interference in almost all parameters of the controller for experienced users. So no matter whether you are an experienced or first time installer LPGTECH will ensure optimal performance. LPGTECH product range next to the controllers include modern LPG/CNG Dragon injectors, LPG filters, Bluetooth interfaces, Hall Level Senders and other accessories so company can compete successfully in the difficult Polish market with such manufacturers as KME, STAG, AG Centrum but also boosts worldwide markets.

The heart of every LPG(Liquefied petroleum gas) and CNG (Compressed natural gas) installation is its computer (the ECU). The TECH controllers in our offer are equipped with the high capacity microprocessors and based on the most technologically advanced solutions. The components we use for our controllers, come from the known and trusted manufacturers with guaranty of the highest quality and durability.Safety was one of our main concerns during the design and construction process of our controllers. Effects of this are the system overloading prevention and short circuts safety and the control system monitoring further assuring the proper installation.The TECH controllers guaranty exceptional performance with minimum effort from the installers.


The brain of every ECU is its software. Our software is constantly innovated to suite the newest and most demanding engines on the market today. Thanks to our software, the TECH controllers can automatically and independently conduct the whole calibration and adaptation of the injection timing to its best levels. Our software as well allows easy manual settings and corrections however, the automatic regulation assures the optimal fuel usage in all range which can directly impact the fuel consumption by lowering it up to 10 – 15%.


The signature of the TECH controllers is the auto-correction system. The auto-correction system constantly monitors gas injectors and if necessary, corrects the injection times. The injection correction is done in real time and it mirrors the petrol injection times which assures the most optimal performance of your LPG installation.


  • LPG/CNG injection controller
  • Suitable for 4 cylinder engines
  • Auto-diagnostic detection of errors and installation flaws
  • The TECH + system of automatic correction (auto-adaptation)
  • Full protection from power shortage and power overload
  • Configuration software with TECH & STANDARD option
  • Aluminum casing


TECH controllers – common functions:


  • TECH ALGORITHM – -the advanced gas control algorithm eliminates the need to prepare the multiplier map and adjusts gas controlling to modern car’s highest standards
  • STANDARD ALGORITHM – commonly used gas control algorithm requiring setting the gas injection time multiplier at multipoint
  • Adaptation – automatic multiplier adjustment according to petrol map of injection times
  • LPG & CNG petrol
  • Petrol injectors emulator
  • Automatic system calibration
  • Automatic switch-over to gas
  • Automatic switch-over to petrol after gas running out
  • Automatic calibration of gas level sensor
  • Automatic detection of injection type
  • Ability to adjust the dose according to rpm/engine load table
  • Ability to adjust the dose according to reducer temperature
  • Ability to adjust the dose according to gas temperature/td>
  • Ability to adjust the dose according to gas pressure
  • Ability to modify the flow and opening time of gas injectors
  • Ability to pick up rpm signal from camshaft position sensor
  • Ability of permanent gas injector switch off (useful in case of injector fault)
  • Ability to send osciloscope file directly to technical support using one-click function in application
  • Visualisation of ECU injections on petrol and gas
  • Handling for UNICODE – multilingual controlling aplication
  • Cooperation with standard and turbocharged engines
  • Sequential, Semi-sequential and FullGroup handling
  • Cooperation with any type of gas injectors
  • Cooperation with any type of gas level sensor
  • Cooperation with wireless interface communication – BLUTECH
  • Gas injectors heating
  • Possibility to determine maximum engine load when working on gas
  • Gas pressure reducing function
  • Function reminding about gas installation inspection
  • “Quick start” function
  • 3D gas and petrol maps
  • Full anti-short circuit and overload protection
  • Oscilloscope to preview work parameters of gas installation
  • Feature “RPM signal filter” – *O



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