Chevron Logo Chevron Techron Diesel Fuel System Cleaner

Techron® D Concentrate, Diesel Fuel System Cleaner is an ultra-high performance, one-tank cleanup, diesel fuel system cleaner designed for use in diesel pickup truck and passenger car engines. The powerful, patented formulation offers superior deposit cleanup, control and engine protection. Its advanced chemistry promotes the efficient removal of harmful conventional nozzle deposits, as well as internal diesel injector deposits (IDID). It is effective in older engines and the latest generation common-rail diesel engines, and offers highly effective performance when used with mineral diesel or biodiesel fuels blends.


  • Maximize fuel economy by restoring dirty fuel injectors to like-new condition
  • Removal of the natural buildup of carbon deposits through the entire fuel system
  • Clean internal diesel injector deposits (IDID), and indirect injection (IDI) and high speed direct injection (HSDI) nozzle-coking deposits
  • Restore lost engine power
  • Improve engine responsiveness, drivability and engine noise reduction
  • Cetane boost, improving combustion for reduced emissions and improved cold starting
  • Prevent fuel injector sticking and failure


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