Sears service – internal engine cleaning and fuel system cleaning?

What do these two services entail? Does sears just run some solvent through your engine and fuel system to clean it out? Can I accomplish the same by purchasing a 5$ bottle of STP at oreilly auto parts?

Or do they actually take apart engine components and clean them? Are these services genuinely beneficial and

What do these two services entail? Does sears just run some solvent through your engine and fuel system to clean it out? Can I accomplish the same by purchasing a 5$ bottle of STP at oreilly auto parts?

Or do they actually take apart engine components and clean them? Are these services genuinely beneficial and something that I would want to pay sears to do? Or is it something easily done in my home garage?

Other answer:

Kenneth:
I have the intake cleaner system at my shop and i also have the fuel injector cleaning system at my shop. The intake cleaner works by removing a vacuum line and running the engine until the solvent has all been used up, the injector cleaner works by running a solvent through the fuel rail using the shop air, im not sure what kind of ghetto system the other guy was using that used aerosol to force the fluid, every shop i know uses the shop air from our compressors. the oil system cleaner is just a "motor flush" where you put a bottle of cleaner in the engine and let it idle for 5 minutes then drain the oil. I offer all these services at my shop but i don't push them. I have seen the fuel injector cleaner fix sticky injectors but as a regular maintenance i never recommend these services. I don't do them on my own vehicles either. If you regularly change oil and do your normal maintenance then you shouldn't need these. I do however put a bottle of Sea foam in my gas tank at every oil change. always have and ive never had an injector problem in any of my vehicles. Don't waste your money on these "up sales" just get the oil change.
Jason:
It's probably a fuel induction cleaning. They run a cleaner through a vacuum line and it basically cleans out the inside of the intake manifold, intake port, intake valve and combustion chamber. It's really good for cars with direct injection because the fuel injector is not located behind the intake valve to wash it off on those so they build up carbon faster and can become so bad that they won't seal. If you let it go for so long the carbon can actually cause pitting on the valves and when you do clean it off it will uncover the pitting and not seal that way.
Daniel:
It sounds like Toyota's fuel induction service. Works GREAT on small engines and keeps them running smooth and keep the MPG where it should be.

If it is what it sounds like, they run your car purely off a can of cleaner that removes carbon buildup internally. They also clean out your throttle body, or at least should. The cleaner (if done like it sounds) will also remove carbon deposits on your valves. It will keep your engine's performance from dropping or improve it.

Some people (including me) will use Seafoam. But usually shops can do a better job.

Cleaning carbon deposits on an old Buick I had took it from needing 93 octane back down to 87. So I have MANY cases where it DOES work and friends that can testify the same.

J E T H R O:
Yes their just going to inject a solvent into the fuel rail to clean the injectors and combustion chamber.

If the car has issues such as missing because of dirty injector etc this will be a better more complete way to clean and possibly fix the problem.

If your car has no issues and runs fine .I would run Chevron Techron or Seafaom in the tank..Use either one and pour whole bottle in tank and fill up with fuel and run until tank is nearly empty.

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