what s the best way to remove the carbon deposits in the engine ?
water?
transmission oil?
................?

how often do we need to clean our engine (piston,valves)

 

Water. light spray into the intake and give it throttle keep adding water to the point where revs start dropping. Just not too much or you'll hydrolock the damn thing. Use at your own risk.

Running water injection will do the same thing and ensure a clean combustion chamber.

Usually you do not need to do this on a new car but on an old clunker it may make the difference between passing emission or not and will often have other beneficial effects like power etc.

 

i put small size of intake vaccum hose and submerged down into gallon of water ,and let it suck all the water up into engine while its running on normal operating temp w/3000rpm....did on sable before and i see lots of white smoke coming out of exhaust...
on the turbo engine , i wonder if it works out the same way...no harmful to turbo by doing this?
i learnd this stuff when i was in UTI. but not sure if its worth the try>

 

 

My roommate is a mechanic and says ATF Tranny Oil or Vicks fuel cleaner (But only shop available) Using a manifold vacuum line to suck it in slowly for the tranny oil, and make sure car is at operating temperature.

 

All I can say is WOW

 

trans oil might harm cats...need to take it out before doing this.
but for turbo i dont know~

 

lol... **** take it apart and clean it. If you have enough to need to clean it then you really need to remove the motor and fix the problem. I sell people **** all day at work "Fuel Injection Cleaning Services" for almost $100 but I am pretty damned positive it doesn't do anything nor would I ever recommend it to a person I know. (Yes I am a shady salesman).

 

we used to clean injectors with GM injector cleaner(forgot the name of product) when i was in school, we fed this (mixed of about 80%gas and 20%cleaner, 1quart) right into fuel rail. not like gasolin tank stuff. its damn strong .it worked pretty good i guess,
also it was used to clean inside the engine too. just fed into the throttle body.....the nasty smoke was unbeliveable .it was on f-body v8...

 

It's called top end cleaner or something like that, and when you use it you will kill every mosquito within 100 yards with all of the smoke that it produces......

 

You can also run Shell Helix (Ultra) in your next oil change. It's pricey but has a cleaning agent to remove deposits, etc. Afterwards I suggest using NEO motor oil/products...

 

Power Tune by merc marine. It removes deposits off 2 stroke marine engines and has worked on several of my cars for years.

 

Chevron makes an excellent product. It was actually recommended by BMW of North America for use in the eta engined 3 and 5 series cars. It is called Techroline. One bottle in a tank of fuel. It will not damage your cat, foul you plugs like trans fluid can.

 

if its that bad rip yuor motor apart... if not fill the tank with good gas, 1 bottle of mystery oil, and run it.. either you baby it to much, its got alot of miles or your running horrible gas..

 

I agree, it it also mentioned by name in many Porsche owners manuals. Its "Techron" in the bottle. I put one in with each oil change, its great for keeping the valve train/injectors clear.