WEPP 2436 GPF/EGR Cleaner for gasoline removes carbon-based deposits from the gasoline particulate filter and the EGR valve. Incompletely burned oil and fuel residues are eliminated. The combustion chamber and injectors in direct injection engines, as well as the intake valves in port fuel engines, are cleaned. It optimizes combustion and improves emissions. It restores fuel consumption to new car levels. Sufficient for 80 liters of gasoline.