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I can't explain the stock LP issue either but I tried two 93 version lift pumps with no success and could only get 6psi at idle and 0 psi at WOT. I now have 10-11 psi at idle and 6 at WOT but I am using a Mallory 110GPH fuel pump to get this pressure. So either the 93 version lift pump is...

Thanks for all the feedback. Great forum as usual. Just FYI, I did manage to loosen and tighten all of the ip nuts with a 15mm ratcheting wrench which totally surprised me. In installed my intake manifold is 180 from it's original orientation during my ATA intercooler project. As a...

I finally got motivated and timed my injection pump with GMTD scan. I was able to get -1.85 but I could not get my temperature up to 180 as indicated in the instructions prior to doing a learn. Is this a problem or would the lack of temperature prevented me from even setting TDCO? I am not...

During summer months my AC switches to heat randomly and I can fix it by switching the vent dial from the floor back to the front vents. This leads me to believe the problem lies in the flap or flap motor that mixes the heat and cold coils/heater cores. Is it difficult to get at the...

I have a glowshift fuel pressure gauge. They kept sending me new sending units free of charge until I finally figured out the problem after performing an autopsy. Our fuel pressure chatters a lot and the sending unit wears out prematurely due to the constant rubbing on the thin wire that...

Do you get the same issue on WVO? When my pump was on it's way out I would get the touchy throttle only on diesel. Problem went away on WVO. I drove it that way for almost a year before finally having a runaway throttle when in neutral:eek:. Runaway throttle is pretty scary when it happens...

I recently purchased mine from a vendor on e-bay(Pensacola). I can't vouch for the quality but so far no problems and the truck runs fine. The price was right.

Just a quick update: Batteries tested fine so I purchased a starter and installed it. Problem solved. Thanks to the forum it only took me 1.5 hrs to remove and replace the starter. I also didn't need to take the fender well off but taking the tire off is what did the trick along with...

I am a little weak(OK very weak) on the electrical side of things. Do I need to have the batteries disconnected for Advance to do a load test on each battery since there are two batteries? I need to get the batteries load tested today at Advance Auto (where I purchased them not long ago)...

Richmond, VA area

I would like to postpone an expenditure. Eventually I plan to get the IP timed or buy the license for GMTD Scan since I own the cable and basic software. Is there any harm in running without the fine tuning? I am not getting any codes. It starts rough but I can solve that with the ECT...

I just did mine without the engine at TDC#1 and it started up fine. Took some turning over of the starter but runs. I think it might be easier to find the slot in the IP gear when you put the IP into the hole if it is at TDC#1 but this shouldn't effect starting the engine unless you missed...

OK I got it finished today and the issue was definitely the IP. Runs much better now. No codes and the throttle control is back to normal. How do I know if it needs to be timed? It was running rough at first but seems fine now. I am going to take it for a few more test spins this evening...

I am not worthy. Worked from 10AM to 4PM until it rained and still not done. Did you have to re-time yours? I am trying to be exact in positioning it where the the other one was but I also have heard how sensitive they can be.

Ordered a re-built IP from Pensacola. Installation hopefully begins this weekend if the weather cooperates.

Since it was running good on WVO and the FSD is remote mounted I ruled out that possibility. I would think that if it were FSD related that you would get the same symptoms on diesel or WVO correct?

Only about 60k on a rebuilt IP. I have been fighting fuel pressure issues for a while so I am pretty sure I killed it from too much starvation. For some reason with my looped WVO return I was still getting fish-biting and going through filters like mad. Took the loop away this weekend and...

No more theories now. IP is shot. Symptoms: no stable throttle controls at 2k rpm at first, then touchy throttle on diesel, then code 36, then yesterday a runaway IP when I started the truck in the driveway. I shut her down and plan to start the ip removal this weekend. At least it went...

With a little TLC this might be a good deal for someone. http://fredericksburg.craigslist.org/cto/1408044800.html

I have an interesting theory on my IP code 36 now. I first had the problem towards the tail end of winter/spring last year and it always went away when my WVO system kicked on. I added some SAE30 to the diesel tank and code 36 eventually went away after a few tanks. Well now it's back...