If gasoline is a solvent, why is there a need for fuel system cleaners?
The Need for Fuel System Cleaners
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Gasoline gets hot, the light components flash off and leave behind a varnish deposit in injectors that gasoline does not readily dissolve on its own.
there isn't really a need, because my owner's manual does not call for any cleaning.
Mine recommends it "periodically" but doesn't say it's necessary and specifies to use Hyundai approved product only. 
A bottle of injector cleaner once or maybe twice a year is a good maintenance thing to do.
But get a proven good one, like Chevron Techron in the strongest variety.
It will clean the pump, lines, injectors, valves, and combustion chamber.
I have no doubt as to the value of good injector cleaners run through the gas tank.
But it is not for every tank. Roughly 10,000 miles is about right.
Originally Posted By: mechtech2
A bottle of injector cleaner once or maybe twice a year is a good maintenance thing to do.
But get a proven good one, like Chevron Techron in the strongest variety.
It will clean the pump, lines, injectors, valves, and combustion chamber.
I have no doubt as to the value of good injector cleaners run through the gas tank.
But it is not for every tank. Roughly 10,000 miles is about right.
I've seen some of the mid-nineties Buicks come in sounding like a rod knocking with carbon build up that could have been avoided with periodic use of fuel system cleaners.
Stay away from discount gasolines that skimp on fuel additives.
Speaking of mid-90's Buicks, my 99 LeSabre (3800 Series II, 4T65E) ran noticeably smoother after a strong dose of discontinued Valvoline Synpower injector cleaner. I don't skimp on maintenance, either. (currently tending to some rust spots and pinprick holes on the rocker panels. yay for vacation!) I use a cleaner every oil change, or about every 7000 miles (on full syn).
Must be the independent station I go to.
You want a POA which Techron is, also Regain. I would also use the Amsoil product(s).
If im not mistaken RL S1-1 is also a POA based cleaner. I switch between it and Techron on my last tankful just before the end of my oil run, which is 10K at present.
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Originally Posted By: MrCritical
I've seen some of the mid-nineties Buicks come in sounding like a rod knocking with carbon build up that could have been avoided with periodic use of fuel system cleaners.
Stay away from discount gasolines that skimp on fuel additives.
Originally Posted By: OVERK1LL
Speaking of knocking GM products, is this common?
Yesterday I was stopped at the lights and TWO Grand Prix's made the turn through the light and drove by me, and they were BOTH knocking.
20 minutes later in the Walmart parking lot, a Lumina drove by me making the same noise????
Stevie, your full of it. That last line cannot be true. Yeah, I support GM because they pay my bills and you would do the same. Do I agree with how they have been run - of course not! But they are making some great vehicles now and people like you need to wake up and notice that.
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In 180,000 km with my GM car the CEL has only come on once and that was because I drove with the gas cap off for 380 km...don't generalize.
Originally Posted By: GMBoy
Stevie, your full of it. That last line cannot be true. Yeah, I support GM because they pay my bills and you would do the same. Do I agree with how they have been run - of course not! But they are making some great vehicles now and people like you need to wake up and notice that.
but not their V8s
mine still sounds very healthy after 100K, women clutch their children and pull them close if i open even half throttle lol
hooker long tubes, cat back, no cats
Originally Posted By: Donald
You want a POA which Techron is, also Regain. I would also use the Amsoil product(s).
Can some1 ask the gas station what in the gas such as additives and whatnots etc.......
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