I need help! I have a 96 gmc k1500 truck which I love. On my way home, truck was driving fine. I went to pull in my driveway and it was like it quit pulling. It goes fine in reverse. I shifted to 4hi, still wouldn't pull. Shifted to 4lo and it went forward and I got into my driveway. Check engine light not on tho. When my husband looked at it, my transfer case was full of fluid. Seal leaking (has been for a while, but we keep an eye on it for the most part). Drained case, filled transmission to correct level. Still in limp mode. Hooked scanner, but won't scan. Next morning, truck drove fine while cold. After a couple of minutes, right back into limp mode. Swapped ecm with another one exactly like mine. Nothing changed. Tried different scanner. Still won't scan and Still in limp mode. Pulled pan, no metal in fluid, no bad smell. I don't have alot of money to just start throwing parts at it. Not sure if this matters, but a few nights ago, my dash lights flickered and my heater blend door wouldnt flip over to heat. It finally did tho and my lights are ok now too. I know my truck is old and needs a little tlc, but shes always been dependable and i dont want to get another truck. Money is tight so we do the best we can, when we can. My husband makes sure to keep it serviced and fluids and filters changed regularly. Any help or suggestions would be greatly appreciated.
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