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Old 06-13-2006, 04:41 AM   #1
CND_SC1
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Question Slugishness from Injector Cleaner Fluid?

I usually add a bottle of Fuel Injector cleaner with a fill-up once every 6-8 weeks . Last Thursday I used the Pennzoil product instead of my usual STP or Wynn's Hot Shot.

It was fine on Saturday, but on Monday it felt sluggish - especially in the 25-45 MPH range, and to a lesser extent when going from 50-60. It feels a little like driving with a 120lb passenger and slightly underinflated tires, I perceived a minor heavienss in the gas pedal and need for a little more throttle.

Could this have something to do with the product I used? Did it dilute my gasoline in some way or was it just one of those days?

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Old 06-13-2006, 05:26 AM   #2
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Default Re: Slugishness from Injector Cleaner Fluid?

It's probably nothing to worry about. I have seen on some FI cleaner labels that the engine can run a little funky while it's in there. I recommend that you switch to using Chevron Techron exclusively. It's the only cleaner most people on here recommend.

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Old 06-13-2006, 09:13 AM   #3
SaturnTech
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Default Re: Slugishness from Injector Cleaner Fluid?

If you're not using Techron, you're wasting your money. For the same $3 you spend on that crap you dump in your tank you may as well pay some neghborhood kid to take a leak in it. I only buy Techron from Wal Mart where it sells for about $7 a bottle as opposed to $11 a bottle at FLAPS.

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Old 06-13-2006, 09:21 AM   #4
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Default Re: Slugishness from Injector Cleaner Fluid?

Quote:
Originally Posted by SaturnTech
For the same $3 you spend on that crap you dump in your tank you may as well pay some neghborhood kid to take a leak in it.
Imagine trying to explain to the kid's parents exactly WHY you offered him $3 to take a leak in your gas tank.

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Old 06-13-2006, 09:37 AM   #5
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Default Re: Slugishness from Injector Cleaner Fluid?

Chevron gas every tank and Techron fuel system cleaner every oil change. That's the only way to go. My car is always running like a champ.

I recently switch to 89 octane because of the insanely hot weather and my blocked EGR was causing some oh-so-slight knock at heavy load low rpm in low gear. It helped out a bit.

Oh, and when you add techron, expect your gas mileage to be less than what you usually get. That always happens to me, this last tank I'm getting around 25 mpg while I usually get around 29. (~95% city)

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Old 06-13-2006, 11:22 AM   #6
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Default Re: Slugishness from Injector Cleaner Fluid?

The general wisdom of this forum is to use Techron. Great product. I had a Sentra that started loosing injectors, and found a product called FP60 (Fuel Power) recommended at the BITOG website. I have used it in my Sentra and Saturn over a year an in all the power equipment. I use one ounce every 5 gallons of gas in my cars. The results were:

My Sentra stopped lossing injectors.
The Sentra's fuel pump quited down.
Fuel economy was the best ever.
Emissions tests were way below below passing standards with 176,000 on the engine and that was with the original cat.
All starting problems were elimited in all power equipment, and gas could be stored longer with similar results.
My Saturn runs superb, especially compared to when I got it.

As you can tell, I am hooked on the stuff. The drawback is the smell, and having to use it at every fill up. Also plugs wear a little faster. I have used the cheap stuff, but that was when the problem started with my Sentra. Find something that works, and stick with it.

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Old 06-13-2006, 05:01 PM   #7
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Default Re: Slugishness from Injector Cleaner Fluid?

Two questions from a engineer.

1. Have you ever compared the actual ingredients in these cleaners to see which brands are really the same thing and which are not? If they are the same, the name on the outside of the bottle does not make any difference except to your pocket. (Anyone remember the old days of "IBM PC"-v-"Clones" - errr.... never mind you are all too young.)

2. Does $5 "neighbor kid pee" work better than free "owner pee"?

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Old 06-13-2006, 07:55 PM   #8
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Default Re: Slugishness from Injector Cleaner Fluid?

Thanks all for the feedback.

I haven't seen the Chevron product in stores where I live.

Sometimes when I first buy a car and run an tankfull of cleaner in it, that first time it doesn't drive as good but afterwards it's better than before. I've never had any trouble with the Wynn's.

Perhaps it's because the Pennzoil one was a slightly higher quantity. Either way I probably don't need to do this even half as often now.

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Old 06-13-2006, 08:08 PM   #9
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Default Re: Slugishness from Injector Cleaner Fluid?

The built up crud in and on the injectors does not always uniformly dissolve and disperse. Sometimes it internally chunks off and the injectors don't seal as well as they should until all the crud is off the surface that seals. They can even partially clog and plug during the process.

It is a crap shoot anytime that you use injector cleaner as to the results and the time it will take for the wackyness to resolve. Sometimes you even end up with a leaker or two when all is said and done, especially on high mileage engines.

I don't personally have a "favorite" Injector Cleaner, and I will neither endorse or knock Techron. I have used a number of them over the years with varying results. Use what works for you, and give it time to resolve.

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Old 06-15-2006, 09:04 PM   #10
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Default Re: Slugishness from Injector Cleaner Fluid?

most (90%) of all injuctor cleaner ar MINERAL SPIRITS..
read the lable and smell it>>>>


Berryman's ONLY... contians tolulene.. best cleaner acts as octane booster and will up milage..


Techron is overpriced waste of money..

most Wal-marts and auto parts stores carrry the Berrymans Chem-tool in a can.

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Old 06-16-2006, 01:18 PM   #11
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Default Re: Slugishness from Injector Cleaner Fluid?

Techron is best. Take advatage of this coupon.

http://www.pepboysemaillist.com/coup...temCleaner.gif

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Old 06-17-2006, 03:15 AM   #12
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Default Re: Slugishness from Injector Cleaner Fluid?

1 Week Update:

As some of you predicted, the issue appears to have worked itself out. The sluggishenss on the highway between 50 to 60 mph disappeared by mid-week, and after 120 miles driving it's returned to normal off the line launch as well.

Unfortunately, I have yet to see either the Chevron or Berryman products in the mainstream stores here. I will check some smaller specialized shops before next time.

Apparently the Wynn's Hot Shot is now only sold in a shiny metalic bottle at almost twince the price. I probably won't go back to it as a matter of principle. I'm still cross with Wynn's for discontinuing the Hot Shot Spitfire which actually made a difference with my old '92 SOHC Escort.

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