Any way to quiet loud injectors?

[kenpoed]

Per prior posts, had a remanufactured engine placed in my Honda Accord V6. It runs great. I asked the shop to put new fuel injectors in it at the same time, which they did.

It runs great but the injectors tick like crazy. I have been told it is normal, but is there anything I can do to quiet them?

 

[brandini]

sound deadening

 

[SatinSilver]

Can you hear them inside the car while driving around or only when you open the hood and listen to the engine run? I'm guessing you're just being silly.

 

[ARCOgraphite]

Did they re-O-Ring the fuel rail?

AFA what YOU can do, I found for some odd reason Shell fuel causes nosier injectors. Maybe they are cleaner (?) My latest fav gas formulation (terminal additive) is Mobil.

 

[zloveraz]

http://www.defender.com/product3.jsp?path=-1|311|2349105&id=96141

 

[Tegger]

Originally Posted By: kenpoed
It runs great but the injectors tick like crazy. I have been told it is normal, but is there anything I can do to quiet them?

Did they use aftermarket injectors or OE Keihin?

Are you certain it's the injectors and not the valves or a crack in the exhaust manifold?

 

[dparm]

Direct injection motors tend to have noisy injectors due to the high pressure. Are you positive you're not hearing the valvetrain instead?

 

[njohnson]

Maybe you can try a fuel additive that provides UCL? I use fuel treatment with every tankful of gas in my vehicles now. Earlier this year, I did an experiment and ran a couple of tanks with treatment and then without treatment, I could hear the difference in the injectors, without it, the clicking/tapping was very audible. With the treatment, it helped quiet them down so much, I could barely hear them, and it help with the overall noise level as well.

I'm using Rislone right now, and it says "helps eliminate noisy injectors & fuel pumps, rough idle, hard starting and hesitation."

Here is a link.

http://barsproducts.com/catalog/view/29-fuel-injector-cleaner-6-oz-4701

 

[heynow]

Originally Posted By: Tegger

Did they use aftermarket injectors or OE Keihin?



I was thinking the same thing. All injectors are not created equal... my guess is they used some non-oem injectors.

 

[Rand]

earplugs

 

[dparm]

Originally Posted By: njohnson
Maybe you can try a fuel additive that provides UCL? I use fuel treatment with every tankful of gas in my vehicles now. Earlier this year, I did an experiment and ran a couple of tanks with treatment and then without treatment, I could hear the difference in the injectors, without it, the clicking/tapping was very audible. With the treatment, it helped quiet them down so much, I could barely hear them, and it help with the overall noise level as well.

I'm using Rislone right now, and it says "helps eliminate noisy injectors & fuel pumps, rough idle, hard starting and hesitation."

Here is a link.

http://barsproducts.com/catalog/view/29-fuel-injector-cleaner-6-oz-4701



Red Line SI-1 contains a UCL and a healthy dose of PEA.

 

[Merkava_4]

Some cars will have an engine cover with foam insulation to quiet down the injectors.

GM calls it a "Fuel Injector Sight Shield."

 

[surfstar]

Lucas UCL, TCW3, or MMO - could provide a slight benefit - who knows till ya try.

 

[scurvy]

Turn up the radio.

 

[Tegger]

Originally Posted By: Christopher Hussey
Originally Posted By: Tegger
Did they use aftermarket injectors or OE Keihin?

I was thinking the same thing. All injectors are not created equal... my guess is they used some non-oem injectors.

As I also said, a tiny crack in the exhaust manifold can cause a "tick" noise that can sound confusingly like valves or injectors. OP would be very wise to investigate that before blaming something else.

 

[Tones]

BG44K really quieted some very loud injectors in my Tundra. I don't know how long it will last, but its worth a shot.