FIRSTINFO Cleaner Combustion Chamber Pressure Review

【Maintain Engine Performance】-- For Air Intake Systems, Combustion Chambers, EGR Valves, Intake Valves and Oxygen Sensors. To make the fuel injectors spray smoothly and properly. 【Easy to Use】-- Simply fill with air intake cleaning and connect the vacuum hose of vehicle vacuum system. Reduce carbon deposits easily. 【Multiple Usages】-- Use to clean the intake valve, combustion chamber, vacuum system and test the vacuum system pressure. Provides more thorough cleaning than other methods. Effectively remove engine carbon deposits and increase gas mileage performance. 【With Liquid Filled Gauge】-- The liquid-filled gauge for accurate vacuum reading and monitoring chemical flow. 【Gasoline Engine / Petrol Cars Use】-- Used for gasoline engine injection and petrol cars. "NOT" for diesel injector. And solution liquid is NOT included.