Bad brake booster.
It is telling you that one of the gauges is not within normal range. It could be you are not charging or overheating or have little or no oil pressure.
engine misfire. i have a '96 Chevy blazer but i don't have that problem, i was reading reviews on the car and found out that some of them do that.
A faulty alternator, a faulty belt tensioner.
Head gasket or cracked head. Mo
might be a fuse
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.
if its a cpi it would be in the the middle of the intake as part of a injector assembly on a 4.3L
The lights on the odometer on a 1999 Chevy Blazer might not work because of a burned out fuse. They might also not work if the lights are burned out.
Bad ideal. Why would you want to ? It would just cause bad problems later.
replace the catalytic converter