fuel injector noise
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Senior User
Joined: Dec 2003
Posts: 138
Likes: 0
From: Edmonton
fuel injector noise
I have a 2004 FX4
Whenever its running at idle it makes a lot of ping and tick sounds not very healthy sounding at all when i went to my dealership and had the maintenance 3 package done I asked them to check it out they di and they said it was fuel injector's noise does this make sense ? and if so what can i do about it is there a conditioner to silence them ?
Whenever its running at idle it makes a lot of ping and tick sounds not very healthy sounding at all when i went to my dealership and had the maintenance 3 package done I asked them to check it out they di and they said it was fuel injector's noise does this make sense ? and if so what can i do about it is there a conditioner to silence them ?
Fleet Mechanic
Joined: Jan 2007
Posts: 1,293
Likes: 18
I've always said that if the injectors are the loudest thing you hear on your engine, be happy. They sound just like clicking lifters on some engines. Even on a Cherokee I recently sold with the 4.0L in-line six, the injectors were still the only noise (106K). I like it - kind of like a Swiss watch ticking.
Tuned
Joined: Aug 2006
Posts: 479
Likes: 1
From: Bartlett, TN
Originally Posted by 1saxman
I've always said that if the injectors are the loudest thing you hear on your engine, be happy. They sound just like clicking lifters on some engines. Even on a Cherokee I recently sold with the 4.0L in-line six, the injectors were still the only noise (106K). I like it - kind of like a Swiss watch ticking.
Senior User
Joined: Feb 2007
Posts: 106
Likes: 0
From: Ole' Virginny
Noise
I complained about the same issue upon delivery of my truck last March. The salesman said to ride past the sevice dept on my way out. The canned, 2 second answer I got was "injector tick, normal for all 5.4 L motors from 2003 on". I find this screwy. My buddy has an '03 SCrew without this niose. It almost sounds like an exhaust leak at idle. I cannot hear it while running, but it is very noticeable at idle. Even now with 15K on the truck, same noise. It is irritating from a 40K truck. If anyone gets a better answer please post up.
Mike
aka Quack Addict
'06 F-150 Screw FX4
Gone but not forgotten:
'97 F-150 Extended Cab XLT
'87 F-150 Reg. Cab XLT
Mike
aka Quack Addict
'06 F-150 Screw FX4
Gone but not forgotten:
'97 F-150 Extended Cab XLT
'87 F-150 Reg. Cab XLT
Senior User
Joined: Feb 2007
Posts: 106
Likes: 0
From: Ole' Virginny
Yes, he has the exact same truck just in an '03. The only difference is leather and color. NO noise. Same 5.4 L motor.
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Posting Guru
Joined: Jul 2004
Posts: 1,479
Likes: 4
Not really since the 5.4 in 04 was redesigned different heads, aluminum heads, 3V design different intake manifolds! Overhead variable timing cam! Not sure you can compare an 03 with anything past 04!
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