Figured I'd throw my .02 cents in here.....

Power steering issue sounds like a pump to me as well. The 552 code that popped could also be an oil saturated wire that runs from the power steering sensor down towards the bottom of the truck. The plastic loom that the power steering sensor feeds into is known to collect oil and other road debris over the years, causing eventual damage to the wire bundle. If you open it up I'll bet that you'll find the bundle is pretty grimy and oil saturated.

The sensor itself is used to bump up the idle some when your wheels are turned to the lock to prevent the engine from stalling. It may have other purposes as well, but when I troubleshot mine I was having intermittent stalling issues, especially when making left hand turns from a standstill. I opened up the loom and found it to be quite oily. Cleaned it up, sealed and taped it, and never had a problem again.

Evap codes are a PITA to troubleshoot without injecting smoke into the system to find the leaks, but the 'D is infamous for the one under the drivers seat. It takes all of 5 minutes to fix it, and you don't even have to jack up the truck. Crawl under and look at the hose, pull it off, and either replace it with the RockAuto one or bring it to your favorite auto parts store, buy two pieces of fuel hose the appropriate sizes, and then a plastic barbed nipple to attach the two together. I'm gonna bet that yours is cracked on one or both ends.

Other place to look is at your evap cannister, as the hoses there are known to crack and deteriorate at the fittings. You can cut them back slightly and push them back on, or splice them if they are too short, or (ideally) trace them back and replace them completely. Vacuum hoses don't last forever.

Hope this helps.
Bob

 

Thanks, I'll definitely look into this.

I'll update the thread when I hear from my mech about the PS pump, and, hopefully not R&P.

 

Yeah, this actually sounds like my exact problem. I'll check the wires in the morning, it's too dark and cold to bother now. If I give it a little more gas, the issue seems to go away with steering (it's smoother with a little rev). My isn't going so far as to stall at all (yet), but this sounds like it may be the case.

If cleaning worked for you, and mine's dirty, I'll try that for now. Hopefully it's an easy fix.



I am not planning on using smoke... way too much of a pain. EVAP codes ARE always a pain, that's why I always had to help friends out with them, because shops charge so much. I think I'll go about repairing the hose under the driver side and see if that helps with my EVAP codes.

Like I mentioned, I'll update after I check tomorrow/ go to the shop later this week.

As always, thanks guys.

 

In regards to the EVAP hose under the driver seat.. I just found my kit - I never replaced my hoses. I think I just cut the one bad end that looked cracked and slid it back on. I know I did some work under there so I must have cut an inch off one end and just slid the hose back on. There should be some slack in the line anyway.

 

Not to bring up a dead thread, but I think it's important for some closure here, since it was my problem and I've since fixed it.


I climbed under my D a few days after this post, to notice a VERY wet, VERY rusty area. I poked around with a screwdriver, and cleaned a little rust off to find some steel lines.

I went in around Jan 10th to my buddy's shop, to get her on a lift so I could see what those lines were. Well, sure enough, those were my PS lines. We ripped them out (or, what was left of them), and replaced them with some hose laying around. Refilled my PS fluid, and BOOM!

Power steering was returned. So I let it sit until the new lines came in (I wanted to replace them with OEM lines... not cheap rubber hose, and I have a second car now that I drove until). When we installed the new lines, I also installed a new battery (I had the original, 11 years later! I went with a higher CCA ~750, because I was noticing the battery get weak, and now I let it sit for 5 days at a time...), and to date, about a month later, it's running great!

I also noticed something important that made me want to reopen the thread:
All of my CEC's are gone, and have not come back after ~1,000 miles.
The low pressure PS line was completely leaking, and high pressure was starting to. The pump was and is still fine, but probably wouldn't have been if I waited much longer.

It was throwing:
P0440, P0442, P0456, and P0513.

All of these codes are gone, and show no signs of return. I'm wondering if the EVAP system is tied into PS in any way that it would have shown up for my leaky lines.


Anyways, just thought I'd let you all know that my issue was solved. I do appreciate your help!