It very well could. Check plugs and wires too. You figure if this question was posted and noone answered yet you already had the truck looked at by a professional soooo .......
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 several things that can cause your 1996 Chevy Tahoe airbag light to come on. The most common cause is a malfunctioning airbag module.
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.
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.