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This is a really old post, but here I am in 2026 overhauling my 1999 GMC Sierra. I had an issue where when I started the truck, the oil pressure on the guage would not move for about 3-4 seconds, then it would start rising and stay there. I thought My sensor was clogged since I had done a couple of fuel treatments with Chevron Techrolene and when I dumped the oil and filter, it was totally black with all the carbon the techrolene had removed. SO, I started looking on Amazon for sensors, and discovered that they are suppossed to have a filter in the port. So I purchased a filter which Amazon swore it was for my truck. I got the old sensor out and discovered there was no filter on the port! I thought to myself, well, that's why the sensor got colgged. I attempted to install the filter, but it would not drop down any further than the top of the hole. There was no room to start the sensor into the port with the filter in there. So, I started to do some research with Chatbox, and discovered the early 5.3L sensors had no filter. ALSO, you can tell if your 1999 (or later)?? model year does not require a filter because your existing sensor has only ONE wire. Later models, (those needing a filter) will have THREE wires. Also, The correct Sensor Is a D1818A / 19244505 for single wire sensors. Hope this saves some of you some time and keeps you from having to cuss out Amazon. Even tho they frequently need it. -
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I just installed a Gator EFX hard trifold cover and am very happy with it. It does leak though, so be aware.
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Very nice truck! I'm from Corpus Christi but been stationed in VA for years.
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