First, you should purchase a high-quality catalytic converter cleaner from an automotive store. Make sure your fuel tank is nearly empty. Then, pour the cleaner into your fuel tank and fill it up with gasoline. Next, drive your car for about 20-30 minutes on the highway to get the engine to an optimal temperature.
If an injector is already dirty and causing performance problems a pour in tank product is highly unlikely to work. Slight build up on an injector sometimes can be removed. But nothing beats a manual cleaning while fuel pump is disabled and a correctly pressurized cleaner is injected through fuel rail.
A few days ago, for good measure, I picked up some Stanadyne injector cleaner and added 1/2 the bottle when i filled up. I didn't have a really good reason to do it because everything seemed normal, but I thought it could be good to clean things up. After a couple days of driving to work, I can really tell a difference in power.How long does it take for fuel injector cleaner to work? Although fuel injector cleaner starts working as soon as you put it into your vehicle’s tank, it takes time for the effects to become noticeable. You should begin seeing results within 100 – 300 miles after you use fuel injector cleaner. You only need to clean your fuel injector once or maximum twice a year,” said Samer Khalaf, a car expert and former employee at a local automotive company. “Fuel injector cleaners have Hyes2.