Hemond

Champion Author
Providence
Posts:8,181 Points:133,525 Joined:Oct 2006
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Message Posted: Apr 28, 2013 7:34:17 AM
Just how does a fuel injector get 'dirty'? And how would you know it was 'dirty'? (That is without taking it out and mounting it in a test rig?)
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DanFMA

Champion Author
Massachusetts
Posts:1,111 Points:1,072,485 Joined:Apr 2008
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Message Posted: Apr 28, 2013 5:42:53 AM
Yes.
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cv

Champion Author
Raleigh
Posts:15,206 Points:3,266,580 Joined:Oct 2003
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Message Posted: Apr 28, 2013 3:59:35 AM
It might, but I never use it.
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IAMCANADIAN73

Champion Author
Ontario
Posts:2,390 Points:1,121,825 Joined:Apr 2008
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Message Posted: Apr 27, 2013 12:29:54 PM
Yes
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L98

Sophomore Author
Ontario
Posts:180 Points:26,180 Joined:Mar 2013
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Message Posted: Apr 27, 2013 12:23:18 AM
just a money grab..not a lot of good
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carinthuist

Champion Author
San Francisco
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Message Posted: Apr 26, 2013 10:22:32 PM
Yes maybe
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GLM4205

Champion Author
Toledo
Posts:4,057 Points:800,295 Joined:Dec 2010
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Message Posted: Apr 26, 2013 6:43:27 PM
Does not make any difference if the engine is otherwise running well
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dgsteven

All-Star Author
Los Angeles
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Message Posted: Apr 25, 2013 3:26:13 AM
yes
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chipote

Champion Author
Washington
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Message Posted: Apr 25, 2013 12:14:15 AM
Yes
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carinthuist

Champion Author
San Francisco
Posts:2,243 Points:329,260 Joined:Mar 2012
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Message Posted: Apr 24, 2013 10:20:44 PM
maybe
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Houckster

Champion Author
Atlanta
Posts:9,344 Points:693,415 Joined:Sep 2003
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Message Posted: Apr 24, 2013 3:18:08 PM
Fuel injector cleaner can help RESTORE mileage that has been lost due to deposits on the injectors but this is less of a problem these days because injectors are more reliable than they used to be.
That said, the real solution is to use a proper fuel. That's why the Top Tier standard was developed. Generic gasoline has an EPA mandated additive package that is a bit behind the times, especially for direct fuel-injected cars. This is what you get when you buy from RaceTrac or Speedway. They will also charge you the same price as those who sell Top Tier fuels with a substantially enhanced additive package. OTOH, if you buy Top Tier brands like Conoco, Chevron and Shell, you should never have to use a fuel injector cleaner because you won't have problems to begin with.
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blckwolf

Veteran Author
North Carolina
Posts:285 Points:74,045 Joined:Nov 2008
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Message Posted: Apr 23, 2013 6:49:48 PM
Not really. As I understand it (per my mechanic - and he might be full of it), gasoline has a specific type of detergent in it to help keep fuel injectors clean.
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giwan

Veteran Author
Michigan
Posts:485 Points:88,430 Joined:Aug 2009
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Message Posted: Apr 23, 2013 1:00:15 PM
Help with fuel mileage? Maybe Cleans the injectors? Probably
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IAMCANADIAN73

Champion Author
Ontario
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Message Posted: Apr 23, 2013 8:45:41 AM
Sure do
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IAMCANADIAN73

Champion Author
Ontario
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Message Posted: Apr 23, 2013 8:45:30 AM
Yep
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IAMCANADIAN73

Champion Author
Ontario
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Message Posted: Apr 20, 2013 7:20:09 AM
For sure
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IAMCANADIAN73

Champion Author
Ontario
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Message Posted: Apr 20, 2013 7:19:52 AM
Yes
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Mopar4me

Champion Author
Peoria
Posts:1,433 Points:751,575 Joined:May 2010
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Message Posted: Apr 19, 2013 4:50:34 PM
Some do, most don't. Sea Foam does work.
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geno700

Veteran Author
British Columbia
Posts:341 Points:168,675 Joined:Sep 2012
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Message Posted: Apr 19, 2013 10:12:33 AM
more expensive cleaners work for me. but I do it for performance.
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IAMCANADIAN73

Champion Author
Ontario
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Message Posted: Apr 19, 2013 7:45:43 AM
Nope
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IAMCANADIAN73

Champion Author
Ontario
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Message Posted: Apr 19, 2013 7:45:25 AM
No
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BartandLisa

Champion Author
Newfoundland
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Message Posted: Apr 18, 2013 10:21:41 PM
Does not make any difference if the engine is othwerwise running well
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AdamRadogna

Rookie Author
Cleveland
Posts:17 Points:80,190 Joined:Feb 2013
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Message Posted: Feb 20, 2013 7:57:02 AM
it works
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MertieMan

Champion Author
Lexington
Posts:14,788 Points:2,895,610 Joined:May 2005
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Message Posted: Feb 20, 2013 5:22:11 AM
Gasoline should keep the fuel injectors clean without a lot of maintenance.
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chipote

Champion Author
Washington
Posts:1,274 Points:388,805 Joined:Nov 2010
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Message Posted: Feb 20, 2013 3:53:41 AM
Yes
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Houckster

Champion Author
Atlanta
Posts:9,344 Points:693,415 Joined:Sep 2003
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Message Posted: Feb 19, 2013 10:12:39 PM
SAAB93TURBO writes: Too much use is bad. It can thin the oil. Some advocate use a tank or two before an oil change. ______ You can run 2-5X the normal amount of Techron all the time if you want. It will not thin the oil in a properly operating engine. The only time when the oil could be threatened would be if the rings or valve guides were so badly damaged that they allowed gas to get by but it's more likely that you'd be burning oil badly.
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jonjon57

Champion Author
Raleigh
Posts:2,442 Points:633,935 Joined:May 2011
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Message Posted: Feb 18, 2013 10:43:27 PM
Yes
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Hemond

Champion Author
Providence
Posts:8,181 Points:133,525 Joined:Oct 2006
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Message Posted: Feb 18, 2013 6:55:56 PM
If injectors are dirty the cel light will be on and the engine will be running badly. Poor economy, rough idle, etc. If your engine is not doing any of these things and your light is off then your injectors are within specs.
The last thing you need to do is buy snake oil.
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GrumpyCat

Champion Author
Alabama
Posts:2,611 Points:789,785 Joined:Jun 2009
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Message Posted: Feb 18, 2013 2:40:25 PM
Can only help if your injectors are dirty.
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Saab93turbo

Veteran Author
Washington
Posts:485 Points:85,235 Joined:Dec 2012
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Message Posted: Feb 18, 2013 1:37:49 PM
Chevron says that Techron is a bottle is similar to Techron in gas but that it results in 10x concentration compared to gas. Chevron says that, as a Top Tier brand, it has twice the required minimum of additives to achieve the requirements.
If one assumes that additive performance is roughly equal, which is a big assumption, then one could add a little Techron to cheap gas to "make" Chevron-like gas.
Instead of adding 1 oz per gallon, adding 1 oz per 10 gallons would equal Chevron gas. Since cheap gas already has 1/2 the additives, add 1 oz of Techron per 20 gallons.
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Saab93turbo

Veteran Author
Washington
Posts:485 Points:85,235 Joined:Dec 2012
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Message Posted: Feb 18, 2013 1:34:13 PM
Too much use is bad. It can thin the oil. Some advocate use a tank or two before an oil change.
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PhilnTX

All-Star Author
Dallas
Posts:656 Points:435,930 Joined:Sep 2011
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Message Posted: Feb 18, 2013 12:23:55 PM
In a vehicle with less than 50K miles, it's a waste of money. If you spent $8 on a can of cleaner and had a 16 gallon tank, you just added $.50/gallon to your fillup costs. The vehicle got 20MPG before, you would need to show an improvement of at least 20% to break even.
If your mileage went to 24MPG, you'd get about 60 extra miles per tank (assuming you drove it to empty). At $3.50/gallon, that's about 2.5 gallons of gas less used. ($8.75 saved at the $3.5/gallon)
Doubtful mileage would improve 4MPG.
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bearscharger

Champion Author
Cleveland
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Message Posted: Feb 17, 2013 5:51:46 PM
yes
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IAMCANADIAN73

Champion Author
Ontario
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Message Posted: Feb 17, 2013 5:27:13 PM
YES
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IAMCANADIAN73

Champion Author
Ontario
Posts:2,390 Points:1,121,825 Joined:Apr 2008
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Message Posted: Feb 17, 2013 5:27:12 PM
YES
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linku2gasbuddy

Rookie Author
Dallas
Posts:49 Points:527,225 Joined:Mar 2011
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Message Posted: Feb 17, 2013 5:10:02 PM
No.
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traffic cop

Champion Author
Boston
Posts:1,241 Points:536,295 Joined:Oct 2004
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Message Posted: Feb 17, 2013 1:25:34 PM
Thanks, Houckster, for your detailed thoughtfulness.
I'll also pass this on to the guy I rent a taxi from (3-5 shifts a week for me). He has Camry Hybrids, and each do 10-12 shifts a week, each one probably 100-125 miles a shift of heavy travel on Boston's notorious pot-holed streets.
Great mileage, but they sure suck in snow!
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dgsteven

All-Star Author
Los Angeles
Posts:797 Points:206,800 Joined:Oct 2012
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Message Posted: Feb 17, 2013 3:04:28 AM
it works
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Houckster

Champion Author
Atlanta
Posts:9,344 Points:693,415 Joined:Sep 2003
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Message Posted: Feb 16, 2013 9:17:07 PM
TRAFFIC_COP writes: What are your thoughts on using PRI-G with discount gas? Would this additive correct for the deficiencies you ascribe to generic gas? ______ Since the additive packages used by the Top Tier members is proprietary I cannot say if PRI-G would bring generic gas up to Top Tier standards and it should be noted that Power Research makes no claim that their product will do so. OTOH, adding PRI-G couldn't do anything but improve the fuel.
My basic assumption is that at any time, something could go wrong and the gas I'm pumping could have problems regardless of the brand or the sales volume of the outlet and I've come up with a fuel helper package that I use without exception. It consists of:
1) PRI-G at 1 ounce per 16 gallons; 2) FP Plus for Gas 3) acetone at 3-4 ounces per 10 gallons (Sally Beauty) 4) xylene at 3-4 ounces per 10 gallons (Sherwin-Williams)
Is this a lot of trouble? I think so. It also gives your engine the best fuel it can get, even starting with generic gas so being admittedly anal about gasoline and oil, it's worth the trouble to me.
[Edited by: Houckster at 2/16/2013 9:18:51 PM EST]
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wamster

Champion Author
Houston
Posts:4,250 Points:694,830 Joined:May 2007
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Message Posted: Feb 16, 2013 8:53:35 AM
In my 1986 Toyota truck with 264,000+ miles; I never had to have the fuel injectors cleaned. I used Marvel Mystery Oil, MMO, in every other tank of fuel.
I remember taking my truck in for maintenance and the young guys would try to convince me I needed it. I told them to try it on their own vehicles and come back and talk to me when they had over 200,000 miles on their vehicle. That shut them up.
My 2006 Ford F250 6.0 diesel had 3 fuel injectors go bad in one week. Ford recommended the fuel additive, can't remember the name, but it came in a silver container. I started using MMO in the fuel-no more problem.
In my 2010 vehicle; I utilize MMO also.
One thing you need to watch in the ingredients is alcohol. It can dry up your seals and cause problems.
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traffic cop

Champion Author
Boston
Posts:1,241 Points:536,295 Joined:Oct 2004
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Message Posted: Feb 14, 2013 10:18:24 AM
Houckster, on another thread you endorsed PRI-G additive. I poked around some other websites' discussion groups and found a lot of enthusiasm for it.
What are your thoughts on using PRI-G with discount gas? Would this additive correct for the deficiencies you ascribe to generic gas?
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GLM4205

Champion Author
Toledo
Posts:4,057 Points:800,295 Joined:Dec 2010
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Message Posted: Feb 14, 2013 6:18:26 AM
Once in a while I do use.
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Houckster

Champion Author
Atlanta
Posts:9,344 Points:693,415 Joined:Sep 2003
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Message Posted: Feb 13, 2013 2:35:31 PM
F250JBH writes: Does adding any brand of Fuel Injector Cleaner help with fuel Milage....Is it worth the Extra cost ? _____ Modern fuel injection systems are more resistant to clogging than the first systems that came out. That said, there is still a need for high quality fuels that have the necessary detergency to prevent problems in the first place. That why people should buy Top Tier fuels like Chevron, Phillips 66 and Shell and stay away from generic brands like SpeedTrac and Raceway.
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ggg452

Champion Author
Manitoba
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Message Posted: Feb 13, 2013 10:27:14 AM
yes...
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BigHorne1

Champion Author
Missouri
Posts:1,497 Points:296,775 Joined:Jul 2012
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Message Posted: Feb 13, 2013 10:02:14 AM
For the fillup that it is put into. Then the gas mileage goes worse for the next two fillups, then goes normal. This is just my experience.
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OceanArcher

Champion Author
Mississippi
Posts:5,708 Points:1,328,375 Joined:May 2004
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Message Posted: Feb 13, 2013 8:53:10 AM
I've never had to use them. Guess I'm one of the lucky ones
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dgsteven

All-Star Author
Los Angeles
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Message Posted: Feb 13, 2013 3:03:53 AM
yes
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ekelly7

Champion Author
Twin Cities
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Message Posted: Aug 6, 2011 8:07:48 AM
yes
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nate31379

Champion Author
College Station
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Message Posted: Aug 6, 2011 2:32:22 AM
Yep. Every couple of months. I get about 3 to 4 more mpg's when I use it
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ford302

Veteran Author
British Columbia
Posts:306 Points:336,700 Joined:Aug 2005
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Message Posted: Aug 6, 2011 12:01:16 AM
I put one in every few months,if I see it on sale hopefully it helps Check out the great website I built about fuel injectors. Advertise your business or services cheap
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