🚗 Clean Engine, Clean Conscience! Manufactured by GM, ensuring reliability and performance. Low VOC compliant, keeping your engine and the environment happy. Experience immediate engine deposit cleaning for peak performance. Piston top soaking clean-up made easy for the busy professional. Perfect for in-rail fuel injector cleaning and intake system maintenance. Low VOC compliant Multiple service applications Immediate deposit cleaning The Genuine GM Fluid 88861803 Upper Engine and Fuel Injector Cleaner is a 16 oz. powerhouse designed to deliver immediate cleaning of engine deposits. With multiple service applications, it effectively cleans fuel injectors and intake systems while maintaining a low VOC formulation, making it a smart choice for eco-conscious drivers.