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Fuel Injector Cleaner


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Hi what is the best way to Clean Fuel Injectors..? Is it safe to use Fuel Injector Cleaners & put them in to fuel tank.? if is ok what is the best one.. as i have seen there are different brands

Yep. I use wurth twice an year as recommended by one of my uncles who runs a garage...

I think 3M is also pretty good but it doesn't go through the fuel tank itself...

I went with Wurth thinking it'll clean the entire fuel system and not only the injectors

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Hi what is the best way to Clean Fuel Injectors..? Is it safe to use Fuel Injector Cleaners & put them in to fuel tank.? if is ok what is the best one.. as i have seen there are different brands

I used 3M Fuel injector cleaner, ABRO fuel injector cleaner as well as STP fuel injector cleaner but those were not successful than manual injector cleaning method. I used 3M carburetor cleaner for manual injector clean. It was successful. But to do manual clean you have to have little experience on that.

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I used 3M Fuel injector cleaner, ABRO fuel injector cleaner as well as STP fuel injector cleaner but those were not successful than manual injector cleaning method. I used 3M carburetor cleaner for manual injector clean. It was successful. But to do manual clean you have to have little experience on that.

manual meaning...spraying straight into the throttle body and into vacuum hoses???

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Yep. I use wurth twice an year as recommended by one of my uncles who runs a garage...

I think 3M is also pretty good but it doesn't go through the fuel tank itself...

I went with Wurth thinking it'll clean the entire fuel system and not only the injectors

When you do this machan, don't you do a manual injector cleaning? I mean the cleaning the agents usually do before tune the engine.

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I went with Wurth thinking it'll clean the entire fuel system and not only the injectors

so does it clean the 'entire' fuel system? what is the total cost? duration it takes? and where can this be done safely ?

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so does it clean the 'entire' fuel system? what is the total cost? duration it takes? and where can this be done safely ?

actually machang it's a very simple scene... Maybe i ave too much of weigh to it earlier un-intentionally :P

The wurth injector cleaner comes in sealed can that you can add to your fuel tank when it's full... I think packaging does give some indication of fuel to treatment ratio...

I just pump full tank of gas and add the treatment and that's it...

Supposedly the treatment cleans it's way to the injectors and clean the injectors themselves...

I don' think it's something you should use and expect super results if your injectors are badly clogged and messed up...

I use it as "preventative maintainence" :) twice a year and so far no injector issues

can't remember the price but it's less than 1500k or something around that area...

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actually machang it's a very simple scene... Maybe i ave too much of weigh to it earlier un-intentionally :P

The wurth injector cleaner comes in sealed can that you can add to your fuel tank when it's full... I think packaging does give some indication of fuel to treatment ratio...

I just pump full tank of gas and add the treatment and that's it...

Supposedly the treatment cleans it's way to the injectors and clean the injectors themselves...

I don' think it's something you should use and expect super results if your injectors are badly clogged and messed up...

I use it as "preventative maintainence" :) twice a year and so far no injector issues

can't remember the price but it's less than 1500k or something around that area...

This is only money waist. This is also same like 3M result.

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This is only money waist. This is also same like 3M result.

well i beg to disagree mate...

using something like this before your injectors getting clogged fully will actually reduce the chances of that happening and you physically having to remove individual injectors and do a manual number one by one...

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Machan Ripper, When you do this twice a year don't you do the manual cleaning at all? Or you do the both.

touch wood...so far i've not had any issues...still didn't face a situ where i had to do a manual cleanup :) I'm sure it's coming but hey this wurth thing seems to be delaying it quite a bit :P

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touch wood...so far i've not had any issues...still didn't face a situ where i had to do a manual cleanup :) I'm sure it's coming but hey this wurth thing seems to be delaying it quite a bit :P

I don't know it's a Money waste or not, but it DOES work. even the Toyota Lanka ppl use that method too.. once you done this treatment you better remove your plugs and clean them.

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I don't know it's a Money waste or not, but it DOES work. even the Toyota Lanka ppl use that method too.. once you done this treatment you better remove your plugs and clean them.

http://www.cruzinperformance.com/injsteps.html

well....manual cleaning is not as easy if you wanna do it right :P

Actually Ruslan...i also think this really work well...once i had a small hesitation issue and my RPM's used to drop really low and stall once in a while...

Used the fuel system cleaner and throttle body cleaner spray in conjunction cos it was a sunday and i just had to have the cat back in shape... and it really worked :)

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Hi mates,

Do you suffer much from blocked fuel injectors in SL? Or are you suffering from carbon deposits in the intake system?

It is highly unlikely that removing and cleaning injectors on the outside cleans the important spray nozzle of the injector itself, removing and cleaning the injector using ultrasound etc if available in SL will help as this cleans the injector inside, or a specialist can sometimes dismantle the injector and then clean the working parts in a cleaning solution. The cheapest way to internally clean the injector even in the UK is to add a fuel system cleaner to the tank and take the car for a good long drive once operating tempetarture is reached. I use Wurth additives in my garage to very good effect. We have cured many emmision related MOT failures by the above method as the additive cleans the whole system all the way through the catalytic converter as well and restores lost power and efficiency to the system. We clean throttle body's etc. using Wurth air intake cleaner. I have been told by a few mechanics that they have fed the treatment using a vaccum pipe attached to the inlet manifold to clean the soft carbon deposits from around the intake, injectots, egr ports and the valves etc, but never tried it yet myself. I have several customers who buy the stuff from me and use it regularly on their cars and say they are impressed-generally these are the high milage lot, I have one customer who does nearly 500 miles per day 5 days a week, services the vehicle absolutely on the dot at 10,000 miles(16000Km) and has very little trouble from his car.

The above is only my openion, I am sure Wynns, Redex, STP etc also sell similar products that do a good job, so this is not promoting one product over the other!

Maithri.

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Hi mates,

Do you suffer much from blocked fuel injectors in SL? Or are you suffering from carbon deposits in the intake system?

It is highly unlikely that removing and cleaning injectors on the outside cleans the important spray nozzle of the injector itself, removing and cleaning the injector using ultrasound etc if available in SL will help as this cleans the injector inside, or a specialist can sometimes dismantle the injector and then clean the working parts in a cleaning solution. The cheapest way to internally clean the injector even in the UK is to add a fuel system cleaner to the tank and take the car for a good long drive once operating tempetarture is reached. I use Wurth additives in my garage to very good effect. We have cured many emmision related MOT failures by the above method as the additive cleans the whole system all the way through the catalytic converter as well and restores lost power and efficiency to the system. We clean throttle body's etc. using Wurth air intake cleaner. I have been told by a few mechanics that they have fed the treatment using a vaccum pipe attached to the inlet manifold to clean the soft carbon deposits from around the intake, injectots, egr ports and the valves etc, but never tried it yet myself. I have several customers who buy the stuff from me and use it regularly on their cars and say they are impressed-generally these are the high milage lot, I have one customer who does nearly 500 miles per day 5 days a week, services the vehicle absolutely on the dot at 10,000 miles(16000Km) and has very little trouble from his car.

The above is only my openion, I am sure Wynns, Redex, STP etc also sell similar products that do a good job, so this is not promoting one product over the other!

Maithri.

thanks Maithri for the expert view

great to hear you're using the same products as i am out of beginner luck from my part :P

So far the 2 years i had my car...I've used the fuel system cleaner about 4 times...and throttle body/air intake cleaner which comes as a spray can once... the latter is more expansive here but you can use it a few times... at least I should be having more than half a can of it left :)

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Hi mates,

Do you suffer much from blocked fuel injectors in SL? Or are you suffering from carbon deposits in the intake system?

It is highly unlikely that removing and cleaning injectors on the outside cleans the important spray nozzle of the injector itself, removing and cleaning the injector using ultrasound etc if available in SL will help as this cleans the injector inside, or a specialist can sometimes dismantle the injector and then clean the working parts in a cleaning solution. The cheapest way to internally clean the injector even in the UK is to add a fuel system cleaner to the tank and take the car for a good long drive once operating tempetarture is reached. I use Wurth additives in my garage to very good effect. We have cured many emmision related MOT failures by the above method as the additive cleans the whole system all the way through the catalytic converter as well and restores lost power and efficiency to the system. We clean throttle body's etc. using Wurth air intake cleaner. I have been told by a few mechanics that they have fed the treatment using a vaccum pipe attached to the inlet manifold to clean the soft carbon deposits from around the intake, injectots, egr ports and the valves etc, but never tried it yet myself. I have several customers who buy the stuff from me and use it regularly on their cars and say they are impressed-generally these are the high milage lot, I have one customer who does nearly 500 miles per day 5 days a week, services the vehicle absolutely on the dot at 10,000 miles(16000Km) and has very little trouble from his car.

The above is only my openion, I am sure Wynns, Redex, STP etc also sell similar products that do a good job, so this is not promoting one product over the other!

Maithri.

Maithri, If you don't mind can I ask you where about is your garage in the UK?

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  • 2 years later...

Hi All;

My car is giving low mileage from last 6 months have gone with the 3M injector clean. while running the 3M through the engine i found that water is coming out from the silencer. As per the my understanding if the engine is well tuned water should come out from the silencer. After removing the 3M and when I connect the petrol line I don’t find any water coming out from the silencer.

Can please explain me why this is happening? ( Still I have not checked the mileage)

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Hello guys,I have returned from UK running a garage for many years & in my experience removing and cleaning injectors on the outside & cleaning the carbon deposits in the throttle body will sort the problem to a certain extent.Also using additives in the fuel system also helps.But once the injectors are clogged up even removeing the injector & cleaning the spray nozzle of the injector itself may not help as the deposits go further into the injector. I have seen many so called EFI tuneup spots in SL that give a supply of cleanup additive into the nozzle while running wires from battery to injector to open & close nozzle. This is not the right way as you need to supply an ultrasonic wave to free deposits completely. Due to the machine being expensive this is the method many garages use.But still they charge the customer the usual fee.Also holding the power line over a certain period may also damage the valve causing more problems. I am not slagging off the pro's who do an exceptional job with the right equipment which is worth every cent of money paid.Cheers to them.

As Maithri rightfully stated the cheapest & safest way to internally clean the injector is to add a fuel system cleaner to the tank and take the car for a good long spin until operating tempetarture is reached.I have used Wurth,Redex,STP,Wynns additives in my garage in UK which have similar effects.

I have now come with my family to settle down in SL & have got down all my Snap-on tool kits along with the scanners & ultrasonic injector cleaning machine & just got a small workshop in Seeduwa.So I hope to provide a quality service for a decent price.

I am also in the lookout for a business partner who will be willing to join-up & start this new venture.

Also Maithri, where is your garage in UK? Mine was in South London. Just got back to SL due to family reasons & a growing up son.

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I have seen many so called EFI tuneup spots in SL that give a supply of cleanup additive into the nozzle while running wires from battery to injector to open & close nozzle. This is not the right way as you need to supply an ultrasonic wave to free deposits completely. Due to the machine being expensive this is the method many garages use.But still they charge the customer the usual fee.

wrong hoss. The old way of powering up the injector works perfectly fine. I'v edone it over an over again with no problems. It all depends on how bad the injector is. In certain applications you would want an ultrasonic but most of the time you would be fine doing it the old way.

Also I'm not sure where you checked but most garages I know charge about 3000 for cleaning them the old way and places that use the ultrasonic cleaner charge 10,000. The products they use aren't cheap either. Most places use the wurth fuel injector cleaner which is a relatively good product.

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Hi JD,

Think you're mistaken. I got the injectors of the BM cleaned ultrasonically last year for 3.5k Removed them myself took them got them cleaned and refitted them myself though. Pretty decent job and instant boost on power and economy. The BM manual only recommends ultrasonic cleaning and specifically advises against using additives (which also puts your warranty at risk apparently if you have one) On most cars taking the injectors out isn't really a big deal.

Just my 2 cents.

Cheers,

MadMMx

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Spot on MadMMx, your 2 cents are correct. As I stated earlier the recommended way to clean injectors are ultrasonically & you will notice the difference straight away on boost & economy.As JD mentioned the old way of powering up the injector ''just works''. It just works to open & close the valve to let the cleaning agent out which does some cleaning. But the Ultrasonic wave does the job 100%. After all,you do want to spend your money for a complete job.Dont you? And how often will you be taking out your injectors apart?

Cheers,

Jerome

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Spot on MadMMx, your 2 cents are correct. As I stated earlier the recommended way to clean injectors are ultrasonically & you will notice the difference straight away on boost & economy.As JD mentioned the old way of powering up the injector ''just works''. It just works to open & close the valve to let the cleaning agent out which does some cleaning. But the Ultrasonic wave does the job 100%. After all,you do want to spend your money for a complete job.Dont you? And how often will you be taking out your injectors apart?

Cheers,

Jerome

Machang, where can I get my injectors cleaned ultrasonically? Your place at Seeduwa seems to be a bit far away .. any place around Rajagiriya area? If not can come there as well.

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