Most likely bad valve guides and seals. Pretty normal for a high mileage Chevy.
dimmer switch wore out or you might just have running lights.
Yes
Running at idle the book says 41-44. High 30s is ok.
its a chev try changing fuel and air filters
Running fuel pressure at idle should be high 30s to lower 40s. Ideally 41-44.
As a guess both low beams are burnt out The daytime running and high beams are the same light filament. Or the fuse or the relay for the low beams.
A high mileage for the vehicle is anything over 200,000 miles. Many people are keeping their vehicles longer as long as they are running well for them.
Blower motor switch. Put it on High and it will blow when sitting still with the engine running.
it need gas it running out of gas that's why...............................
During a run down
If your computer is shutting down, or of the fan is always running on high.