H aving fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades.

Fuel injectors can get gummed up with dirt and fuel residue over time. Photo credit: David Traver Adolphus / Autoguide.com.

Once the injector cleaner is in the fuel tank ... Typically, you want just a few pounds lower than the car’s normal fuel rail pressure. Step 7: Start the Car and Wait Start the car and let ...

One such claim is that adding hydrogen to your gasoline or diesel fuel line will make your car burn the fuel cleaner and therefore ... and Hydrogen Fuel Injection (HFI) a chance in their own ...

Furthermore, some car manufacturers recommend against using ... than using a bottle of fuel-injector cleaner, though the latter — if its use isn’t discouraged — may provide faster results.

In late November last year, Hong Kong-listed company China International Development Holdings (00264.HK) announced that it ...