codes GMC SIERRA 2018 Owner's Manual
Page 464 of 505
GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Technical Data 463
Engine Specifications
EngineVIN CodeSpark Plug Gap
4.3L V6 (LV3) H0.95–1.10 mm (0.037–
0.043 in)
4.3L V6 (LV1) P0.95–1.10 mm (0.037–
0.043 in)
5.3L V8 (L83) C0.95–1.10 mm (0.037–
0.043 in)
6.0L V8 (L96) G0.95–1.10 mm (0.037–
0.043 in)
6.2L V8 (L86) J0.95–1.10 mm (0.037–
0.043 in)