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  1. Chevy C/K Truck Forum
    Hi I have a 1998 k2500 Cheyenne with about 305000 miles. It have the 5.7L v8. The issue I am having is that the truck has low oil pressure and idle at a stop. The pressure and idle is fine when you first start the truck but as you go you can the oil pressure drop. It usally drops to around 20...
  2. Chevy C/K Truck Forum
    There is something strange with my truck... I have changed out the TBI and replaced the gaskets on it. Replaced the TPS and the IAC... Drives better. When the weather was VERY HOT about a week ago, it would almost die when the RPMs would drop. That was before I changed the those two components...
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