Goodies for my 6.5

[Robyn]

The SOL D has been giving more than its share of fits lately with the no cold start thing.
Its got to the point now that even 35F after an all night cold soak will most likely result in a no go in the morning. QUICK grab the propane torch from under the seat and warm the fins on the box for 30 seconds and poof the sucker fires fine.

I have tried repeatedly now to get a contact from Remarq but as of this last month I am not getting any return on my call.
HMMMM me thinks they may have fallen on hard times.

Any way I ordered a cooler and extension cable. Called my fav diesel pump shop up Portland way and the owner fixed me up with two "Good" used pmd's for $50.
These are the latest revision PMD's so we shall see.

Thinking about mounting the little creature under the dash over the hump.
Should be out of harms way and really easy to get to on a rainy nasty night to change if need be.

I was in hopes that the Sol D was going to be a good deal but things are not looking very promising.
Tired of screwing around with this nuisance cold start thing.

I need to try and look into the old pmd thats still on the pump and see what resistor it has. The fellow at the pump shop says to run without the resistor and the ECM will default to a 5. Hmmm I am going to get a mirror and see what the pump had originally.

I dont need any more grief.

This truck ran really good and strong untill the PMD quit and has never ran that good after the Sold D was installed.
The power always seemed a bit lacking especially in the warmer weather as compared to how it ran originally.

The fellow told me that if either used pmd does not work that he will make it good.
Not at all a bad deal me thinks.

Guess he has a bucket full. He marks the ones that come off of pumps that have obviously failed for other reasons and keeps them available as good used units.

Well all for now

Robyn

[ronniejoe]

Running without the resister will set a code...eventually.

[Robyn]

I am sure sure right Ron
I was not going to argue with the fellow considering the way he takes care of his customers.

I am going to take a peek in the old one and see what it has if I cant get a good visual on it I will stuff in a 5 and that will probably do.
I am not at all prone to guessing about things but we shall see.

I vaguely remember looking at the PMD on the pump when I had it off.
I really dont know why I did not take the old PMD off when I was rebuilding the engine.

I carefully cleaned the exterior of the pump after capping the delivery ports and such and then wrapped the sucker in a paper bag and placed it on the shelf until the engine was done.

I should have removed the dead one then but it seemed of no value??????????????????

Oh well.

I am currious about how the circuitry in the SOL D accomodates all the different pumps that are out there.

If I understand correctly the different resistors calibrate the system to deliver the proper amount of fuel???

What is the process that is used with the SOL D???

As I mentioned before the truck has never run as strong with the SOL D as it did originally.

I am suspect that the Sol D was not driving things the way they should be.

A couple weeks ago I was driving the truck, one of the few times I had in several weeks as this is not my regular rig to drive. My partner had said that the SES light had popped on a couple times and it came on when we were on the freeway and it was on for about 3 seconds. The rig was cruising at steady throttle at 60mph.
The code called out pulse width error (narrow) I believe, seems it was a 35
The rig never missed a beat or did anything other than just cackle along smoothly.

I am really suspect that the Sol D is responsible.
Pat has told me that a couple other times the rig has seemed to run slightly "Jerky" as it was put to me but no SES light.

With this cold start issue getting worse now I am very suspicious the SOL D may be getting ready to take the big dump.

The last time I talked to Remarq I was told they were having "dificulties" getting parts and that all orders were on hold. HMMMMMMMMMMmmmmmmmmmm
And now with no return phone calls, maybe the company is going away??

I am not happy with the prospects of returning to a known flawed technology but at least the PMD's are available. Once I get the setup done and the cooler mounted inside and things working I may just get a couple more used ones and toss some spares in the glove box.\

I remember my first 94 back when they were new trucks.
The sucker made it one week before it quit and refused to start.
Boy I was really amused!! NOT

Well all for now

Thanks

Robyn

[JohnC]

I am currious about how the circuitry in the SOL D accomodates all the different pumps that are out there.

Almost certainly they set it for the "lowest common denominator" (5) or maybe a little higher, like 7. You should be able to confirm this by probing the harness with an Ohm meter. BTW, if you can get a harness on the old PMD you can read the resistance with an Ohm meter. If you can't find it elsewhere, I have a table of values somewhere.


If I understand correctly the different resistors calibrate the system to deliver the proper amount of fuel???

When the pump is set up, it is calibrated to deliver a specific amount of fuel in response to a specific solenoid hold time. The setup process is somewhat inexact and a resistor is chosen to tell the PCM how far off optimal the pump is.

An aside: My pump was a "4" and when I put a "9" in the throttle got "touchy" off idle so I went back to a 5.


Running without the resister will set a code...eventually.

... maybe... if you wait long enough.... ;)

IIRC, when the code sets the PCM defaults to the lowest fuel map, so, in most cases, there will be a slight performance penalty.