When it is cold the fuel pump sounds like it is not providing the pressure needed to start the engine, or the fuel filter is clogged. I have included the location of the filter and a video to help show you how to change it out.
If the fuel filter is new, you can use starting fluid to see if that makes a difference and if so, we can check the fuel pressure which you can rent a gauge set for cheap or free and follow this guide to help you. I have also included how to change the pump out.
Key On Engine Off 35 - 45 psi
Key On Engine Running 30 - 40 psi
Check out the images (below). Please let us know what you find. We are interested to see what it is.
Images (Click to enlarge)
Sunday, January 22nd, 2023 AT 11:36 AM