The kind of fuel injector cleaners we're looking at here are a cheaper alternative that you can use yourself. Your mechanic will probably recommend a fuel injector flush when you get your vehicle serviced. The effects are most dramatic in older cars that are misfiring or idling badly, but all vehicles can benefit. Your engine will run cleaner and last longer. All of this has an impact on your transmission, too.īestReviews What do fuel injector cleaners do?įuel injector cleaners are designed to remedy the problems listed above. A badly performing engine wears out more quickly. Too rich a fuel/air mix makes your engine smoke.įuel injector problems can lead to the following:
Too thin a fuel/air mix starves your engine. This is seldom a problem in fuel lines, but over time the fuel injectors start to suffer and atomization is affected. Gasoline and diesel both deposit a carbon residue. These particles from contaminated fuel can upset the high-pressure spray created by the fuel injectors. The particles might be small, but they stick and accumulate. These filters catch many of the microscopic particles, but a few still get through. All fuel has some contaminants, which is why you have filters in your tank, fuel lines, and at the entrance to the injectors. Why use a fuel injector cleaner?įuel injectors are finely tuned devices with narrow inlets and outlets. For you, that means comparative savings on gas or diesel fuel and improved vehicle performance. Fuel injectors have become so popular because they do the job more accurately. What are fuel injectors?įuel injectors do the same job as carburetors, regulating the mix of fuel and air that enters the combustion chamber of your vehicle. Early treatment is like a vaccination for your vehicle – prevention rather than a cure. Could this be an indicator that the engine has a lot of sludge? Maybe it's time to check under the valve cover to see if AutoRX is needed? A well cared for Toyota should only have used up about 40%-50% of total service life by 134,000 miles from the stories I have heard.Experts say it's never too soon to keep your fuel system clean. Using 2 quarts of oil every 3,000 miles seems excessive to me. UOA results have shown that this practice sometimes leads to increased wear. I would be very leery of adding a strong fuel system cleaner to every tank of gas. A lot of folks like to use MMO here too, so that may be something to consider as well. I honestly have no experience with Seafoam, but am sure that there are folks here that do who will chime in. I also thought maybe the PCV valve was bad, so I changed it and there was no difference, we've also done the plugs, the cat and o2 sensors(because of a code).ĭo you think it would be beneficial to say run seafoam through the booster hose? I've done this once, is it good for the car? The reason I ask is because I'm not sure if it's related but after the first seafoam, the cat had to be replaced about 15K later. But that is something cheap and easy so why not.
As far as the air filter, it is about due again but even when we replaced it about 10-12K ago, there was no improvement. We did try 20w50 once, but I don't recall if it helped, I should have paid attention. There's no visible sludge that I can see but this car does burn oil about 2 quarts per 3K. When was the last time that the air filter was replaced? A fouled air filter is often the root cause of sub-par engine performance. One other thing to consider is the condition of the engine's air filter. I believe that the Corolla uses 30 weight oil, so you may want to try a 40 weight oil to see if the noise improves. If everything looks OK in the UOA, and the Lucas UCL isn't helping, then you may want to consider using a heavier grade of oil. Though it wont identify every problem, a $22 Blackstone UOA is well worth the money in my opinion. I would recommend catching an oil sample for UOA analysis to see if the engine has any issues. The noise may be due to oil breakdown, or even a sludged engine. Lucas UCL is fairly economical when purchased by the quart ($10) or the gallon ($20). I have found that Lucas UCL makes my 2007 Honda Civic LX idle smoother and it reaches speed with less effort. You should then consider adding a 5.25 ounce "One-Shot" bottle of Lucas UCL to a few tanks of gas to see if the noise issue improves. Both of these are excellent fuel system cleaners. It sounds as though you may want to try running a bottle of Redline SI-1 or Amsoil PI in a tank of gas just before an oil change. Redline SI-1 is more of a cleaner, with little to no lubricating properties. Lucas UCL is more of a lubricant, with some cleaning abilities. Lucas UCL and Redline SI-1 each serve different purposes.
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