My silverado is easy to start first thing in the morning and right after shutting down. If i let it sit after warming up, it takes 3-6 sec to start up. For the first 100k miles it was perfect. Ive already changed all filters and spark plugs,its a 5.3l v8, 2wd, ext cab. What do y'all think, i'm a relative noob to most maintenance.
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I thought i 'd reword whats happening. The engine cranks a lot longer than usual, and is kind of rough starting up. Once it is going, though, the truck runs just fine. The truck operates just fine. There are no discernible performance losses or hesitation upon acceleration. Ive been perusing the Google and other forums have pointed to fuel pump. Could that be a possibility? Also there are no leaks as far as i know, will go have another look now.