Keeps blowing injectors

cam91 · Jan 1, 2015

Got my 6.0 back a couple days ago, after getting studded, deleted, new heads, all 8 injectors, oil cooler, up stand pipes. Anyways it's blown 10 injectors since I've owned it, excluding the one(s) today, I replaced the lpfp and fuel pressure regulator, within 20xxxkms fuel filters were just done as well. Any ideas as to why she keeps popping injectors still? Also my dad was the PO, and he said when he towed with it, it would usually pop an injector or two, not sure if that's related.

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co04cobra · Jan 1, 2015

What is "popping" a injector?

6.0xcursion · Jan 1, 2015

^ whs whats a popping injector??

cam91 · Jan 1, 2015

Blow them, my mistake

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co04cobra · Jan 1, 2015

You mean its ruining injectors? Causes a miss? or hydrolocking? I still don't think we are quite following what you mean.

cam91 · Jan 1, 2015

Yea, ruins them, it seemed like it was misfiring today but no codes came up. So maybe today it didn't wreck any.

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HOOV3R · Jan 2, 2015

Ruining by just a miss or a miss with circuit high/low codes (possible harness issue)?
FICM voltage good?

cam91 · Jan 2, 2015

FICM was at 48.5

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co04cobra · Jan 2, 2015

I would be confirming fuel psi under load. Had any hpop issues with the truck?

cam91 · Jan 2, 2015

Yea I thought maybe it was fuel pressure as well, don't have a gauge for it yet. As for hpop, no issues that I know of

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Stroker04 · Jan 4, 2015

Are these oem ford injectors or another brand? There are several builders such as Pensacola diesel that don't have a very good reputation at all. I put about 9 of them in a truck within a one year span.

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Bobby@MPD · Jan 4, 2015

What is actually happening to the injectors? Blowing & missing are general terms....are the spool valves sticking, are the nozzles clogging up, are they firing at all? Make sure they are installing them correctly, make sure they are tightening the hold downs properly

cam91 · Jan 4, 2015

I do believe they're ford injectors, the shop gave me a one year warranty on everything so I can take it back, it's just 4.5hrs away. I'll take it out for another drive today and get a better opinion/assessment.

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Stroker04 · Jan 4, 2015

Almost sounds like they aren't being torqued down right.

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cam91 · Jan 5, 2015

Hmm, ok, I'll mention it to the shop, if/when I take it back.

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Bobby@MPD · Jan 6, 2015

If they are Ford injectors them come with a two year warranty.... Now the shop may only offer a one year warranty on labor

cam91 · Jan 24, 2015

Here's a crappy video. I'll try to get a better one
https://vimeo.com/117681411

I'm kinda wondering if it's the tune though and not the injectors, because I was towing and switched to a tow tune and the symptoms went away

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Kdavid1 · Jan 24, 2015

Just something to look at as someone posted maybe the injectors weren't torqued correctly--if that is the case you need to verify you are not filling up the crank case with diesel. It does make sense that changing the tune makes it go away but it could still be a volt issue with alt. Batts, or ficm or fuel pressure as well and is masked with the tune that works good--just my .02

2006 F350 4x4 6.0L