Chevrolet Colorado 2024 Owner's Manual page 335

334 Technical Data
2.7L L4 (L3B)
2.7L L4 (L2R)
Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage the spark plug.
Engine Drive Belt Routing
2.7L Engine
Engine Specifications
Engine VIN Code
K 0.65–0.75mm (0.026–0.030 in)
C 0.65–0.75mm (0.026–0.030 in)
Spark Plug Gap