Missing and sometimes won't start

[LDH]

Here's some pictures of the job.

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[chuckles]

If I were in it that far, i would go ahead and replace the STC fitting, that's a known issue to cause hot not starts in 05 an up trucks. Very common problem.

[LDH]

I was planning on putting the passenger side back together once I replace the bad O ring to see if that fixes my problem. I'm sure my STC fitting is on it's way out, if it's not already. I was under the impression that the STC is under the turbo, that's why I didn't think putting the passenger side back together would hinder my access to it. I hate to open up too much of the engine at one time, increasing the risk of dropping something down inside. Pulling the turbo and working on top of the valley to get to the HPOP while having a valve cover and oil rail off seems pretty risky to me. I would rather do one side at a time, then do the STC by itself too. That way if something does get dropped off the side of the engine, it will just bounce off the valve cover to the floor instead of inside.

[forddieseldoctor]

Originally Posted by LDH

I was planning on putting the passenger side back together once I replace the bad O ring to see if that fixes my problem. I'm sure my STC fitting is on it's way out, if it's not already. I was under the impression that the STC is under the turbo, that's why I didn't think putting the passenger side back together would hinder my access to it. I hate to open up too much of the engine at one time, increasing the risk of dropping something down inside. Pulling the turbo and working on top of the valley to get to the HPOP while having a valve cover and oil rail off seems pretty risky to me. I would rather do one side at a time, then do the STC by itself too. That way if something does get dropped off the side of the engine, it will just bounce off the valve cover to the floor instead of inside.

I agree with that. There is nothing that is going to benefit you to leave that valve cover off. And btw my parts guy informed me that the d-rings for the stand pipe and the dummy plug are not available separately anymore. I think now they are only available from Ford as the standpipe and dummy plug. Your local dealer might have the old d-ring kit in stock yet but just so you are aware of this when you go to your dealer.

[LDH]

Wonderful. LOL! I wonder what a stand pipe and dummy plug is going to cost me? Thanks for the reply.

[chuckles]

yeah, I was more indicating that since you've gone this far, go ahead and do the other. Not that having the valve cover off helps, more since "you're into the project" and you've got the mindset to work on it. That's all I meant by it.

[LDH]

True. I'll probably put my passenger side back together, then replace the O rings on the driver's side oil rail. It won't take as long to do it since I know what parts to order now. I'll have the new O rings (or new plug) on hand before I ever tear that side down. Plus, that side is easier to access. Once it's done, I will go ahead and pull the turbo, pedistal, and HPOP STC fitting. I'll probably do the STC and driver's side oil rail all in the same weekend. Thanks for the replies. Any suggestions are welcomed. Do you guys have any thoughts on these old injectors that I'm going to keep using? I hate to pull them out when I'm going to put them right back in. Seems kind of unnessecary to me, unless there's something I could do to help them work better. If you guys do reply telling me to pull them, please tell me the instructions on what to do to the holes they go in once the injectors are out. I've heard guys say you need to suction out the holes, etc.

[RescueF250]

If its not a HPOP pressure issue, I would look into injector issue to maybe.

[forddieseldoctor]

If it was mine I would do the other side and the stc kit and see what happens.

[LDH]

Ok. Will do. I'll let you guys know how it all turns out with more pics.