The 1991 Chevrolet S10 has 26 engine complaints filed with NHTSA — 10% of the year's total, and up sharply from the prior model year.
26
Engine complaints
10%
Share of year
0
Crash-involved
1
Related recalls
Defect
THE ENGINE COOLING FAN BLADES BREAK AS A RESULT OF FATIGUE AND/OR VEHICLE INDUCED STRESS.
Consequence
IF THE BLADE BREAKAGE OCCURS WHILE THE HOOD IS OPEN, APERSON WORKING UNDER THE HOOD OR IN THE VICINITY OF THE VEHICLE COULD BE STRUCKAND INJURED BY THE BLADE SEGMENT.
Remedy
INSTALL A NEWLY DESIGNED FAN ASSEMBLY.
“EXHUAST MANIFOLD HAS A HOLE IN IT AND BLOWS EXHAUST FUMES INSIDE PASSENGER'S COMPARTMENT. OWNER HAD EXHAUST MANIFOLD REPLACED. HOWEVER, PROBLEM STILL REOCCURSRED. PLEASE PROVIDE MORE INFORMATION.*AK”
NHTSA has 26 complaints about the 1991 Chevrolet S10 engine — 10% of all complaints filed for that model year.
Yes — 1 NHTSA recall campaign for this model year is tied to the engine: 93V008000.
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.