Worn rings or valve guides, possibly. You should check compression to ensure is kosher.
A blown fuse can make your dashboard lights to not work in your 1993 Chevy Blazer Tahoe. A burned out bulb can also cause this.
bad wheel bearing may cause it
Could be a shorted wire, or bad battery.
There are a couple of things that might cause a Chevy Tahoe to lurch forward after releasing the brake. One reason could be that the idle is high. The drive shaft may have to be greased.
There are several things that can cause your 1996 Chevy Tahoe airbag light to come on. The most common cause is a malfunctioning airbag module.
What kind of valve? Exhaust valve? EGR valve? PCV valve?
Low fuel pressure, bad IAC valve, vacuum leak, bad injector(s). You also need to check the EGR valve.
you need to check your motor mounts and the balance of your tires. tires first
Assume it's an automatic. You probably have a bad valve-body or clutch pack in the transmission.
More than likely a direct short circuit.
The most common cause of that is a bad EGR Valve.
The A/C compressor puts a load on the engine and this should cause the Air Idle Control Valve to increase RPMs. Check the valve.
Sounds like the rubber line on the bottom of reservoir is leaking or tank is cracked CHECK IT OUT.
The engine on your 04 5.3L Chevy Tahoe could be knocking until it warmed up because of a bad fuel-air mixture. . The wrong oil could also be a cause.
A faulty EGR valve can cause a 98 Chevy to fail a smog test. The oxygen sensors should also be tested as they can also cause a 98 Chevy to fail a smog test.
Just a guess, check the ign. module.
Might be a defective voltage regulator (not opening on engine shutdown)
I would not expect a valve cover leak to cause a car to stall. A valve cover leak can fill the spark plug area with oil which can cause rough running.
check the pcv valve
What would cause the engine not to restart when hot Chevy Trailblazer 2007?
NO it would not.
A bad EGR valve should not cause the engine to not start. There is most likely another problem that is causing the engine to not start.
vacuum leaks, stuck or leaky egr valve, leaking intake, bad valves, ect