Check Engine light, but runs great.
Rear differential has excessive wear.
4x4 kicking in.
The seats are uncomfortable.
The seat belts don't secure you very well.
Loud on the highway, a lot of wind sound.
I have this truck and have fixed the some of problems (all fixed by me). I'm not a mechanic.
Check engine light, but runs great.
Answer: MAP sensor accidently unplugged.
I plugged it back in and cleared the light by unplugging the battery.
4x4 kicking in.
Answer: Vacuum switch gummed up (replaced for $25).
GREAT TRUCK!!!...My S-10 2WD Regular cab, 2.8 V6 has 305,000 miles on it and it stil runs great... and it hasn't even been rebuilt!
1986 Chevy S-10 Blazer. Changed Rotor and Distributor and spark plugs, but still won't start. Will turn over, but won't fire up.
To the above --- ummm have you checked the starter? selenoid?