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ok, the pmd was bad. I installed my spare and got rid of the other codes. I moved the pump, it was way off. I aligned it with two marks already scribed in to both sides of the pump. After that I got it set almost TDC perfect! The spare FSO I had was bad. The one in the pump is good. Now I...

I did change os. I did not change fso. Would that cause my issues/codes?

OS? FSO? What are you asking? I did nothing with the pump. All I did was follow the instructions that GMTD Scan has on there website under FAQ.

On too the next issue. I got all codes cleared. But, I now have new ones. I have; 56 - injection pump calibration resistor error 88 - TDC offset error I attempted a TDC relearn using GMTD scan. After following the instructions I got. desired 8.6 - actual 8.7 - TDC 0 Then relearn and it...

Moved the ground to a intake manifold bolt. I replaced the eye ball inside the pump. I lost all the codes that go with it. But, the coolant temp switch is bad. Will have to replace it before I can relearn TDC. I am slowly knocking out the issues.

I don't see it listed. What thermostat housing do you have, if any? Thanks!

Welcome to the Truck Stop!

Thanks AK!

Thanks! I will try the starter brace bolt. I agree the oil drain is covered in oil and is being leaked on constantly.

I have no idea where it goes. I do know that I don't like where it is know.

Can someone explain exactly where the passenger side ground cable goes from the battery. Mine is connected to one of the turbo drain bolts on the block. I feel this might be causing some of my issues. explanations would be great! A picture would be awesome!!!!!!! Thanks,

If AK don't take it. I will.

I wonder if you are taking about the same one that is in my truck. I will say my brakes work pretty good.

All I got to say. I wish I still had my 93!

That is exactly what I have been doing since I got this truck.

Strange! I disconnected everything, went for a drive, came home and connected it all back up. It started working. Never mind above post!

Yes, Thanks again!!!! I am trying not to use what you sent till I get the eye swapped out. Then I will try to track down what is causing my headaches. All I really want is the A/C to work. Even that has been fighting me every step of the way.

I have the cable working but can not get the truck to connect to the program. I have a computer with windows 10. I have seen other people having issues with this. I will post up a picture of my what it is telling me. Any ideas would be great!

True, very true. I unplugged and cleaned every connection off the pump I could get. One day, the culprit will show it's ugly head.

Not sure what fixed it, but she is back to the living! A free fix beats the hell out of one that cost you. I can't wait to play with the GMTD Scan tool!!!