New TS chip and now injector knock! - Ford Powerstroke Diesel Forum
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  #1  
Old 02-08-2014, 09:32 AM
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New TS chip and now injector knock!

Just got a ts chip installed and the truck gets a injector knock sometimes and will smooth out! Does it off and on with the power levels! So I just need injectors soon since it has 145,000 miles or a fuel problem you think? Also can u just let it knock til one starts missing then if I'm just going to need new injectors soon? Appreciate any input! Thanks!
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Old 02-08-2014, 10:01 AM
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Probably due to tuning on the chip. Timing advanced too far??
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Old 02-09-2014, 12:14 PM
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It seemed to go away some now so not sure! It is a TS canned tunes from them I believe so could it have timing issues even if there the canned tunes?
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Old 02-09-2014, 12:26 PM
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Have you checked the base fuel pressure at wot? If it starves for fuel pressure it will make a knocking sound

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Old 02-09-2014, 07:41 PM
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i agree. a fpr rebuild with a billet regulator may be in your future.

my fpr was worn out pretty bad when i replaced it, 220k miles on it so ya...
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Old 02-09-2014, 07:54 PM
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does it knock on all power settings? does it do it on stock too? i know my engine was really noisy on the 100hp ts setting. it was ok on the 75 hp setting
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Old 02-10-2014, 07:47 AM
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Did it on stock after for a little bit then quit. blue99stroker, how much did that cost you?
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Old 02-10-2014, 12:25 PM
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FPR rebuild kit is 60 bucks. the brass poppet valve and orings get worn out.

a billet fpr housing with 3 stiffer fuel pressure springs is 42 bucks from dieselorings.
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Old 02-10-2014, 12:28 PM
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it prolly has an issue it's just that the new chip is showing more because it's pushing the outer limits of it...could be tunes, could be the pcm learning procces after the new chip
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  #10  
Old 02-10-2014, 05:10 PM
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i'm going to go with pre-existing condition that the chip is helping you identify.

like blue99stroker says, you probably need to fix the fpr
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