it just got a tune up. It did it before and after tune up. temp is normal. It seems that when I let it sit for awhile. It goes back to normal until 40 miles again.

I'm about to purchase from a private party and want to know if it's worth it for how much I'll have to put in.

I keep getting this code only problem I seem to have is when its damp outside and Im low on gas it acts like it has a miss

With key on , no power to fuel pump. Relay has steady power but no prime power. Security light is on steady all the time

I had somone check it and tole me it is not good because he conected a tester and it beep by putting

It starts fine. It idles ruff. When you try to rev it up,'s hard to do. It sounds like the fuel is being restricted. You can't get the RPMs to climb. If you keep trying the engine sounds like it wants to die out. The Oil is clean with no water.

Recently my power locks on both driver and passenger side quit working at the same time but the windows still work. The lock and windows are on the same actuator why did just the locks stop. My key fob still works. I just yesterday put new fusses in thinking that was the problem but didn't help. What might be my issue?

What does it mean

Engine is Chevy V8 5.7L

Battery is good I tested all grounds seem OK. There's a dead circuit in both fuse panels. There's power to both auxiliaries. Any ideas?