General Motors Introduction - Trucks
| MODEL | BODY CODE (1) | ENGINE (RPO CODE) (2) | ENGINE ID | FUEL SYSTEM | IGNITION SYSTEM |
| Astro & Safari | L, M | 4.3L (L35) | W | CSFI | Magnetic (3) |
| Avalanche | C, K | 5.3L (LM7) | T | SFI | DIS |
| — | — | 8.1L (L18) | G | SFI | DIS |
| Aztek & Rendezvous | B | 3.4L (LA1) | E | SFI | DIS Magnetic |
| Blazer - Jimmy Canadian | S, T | 4.3L (L35) | W | CSFI | Magnetic (3) |
| Bravada & Trailblazer | S, T | 4.2L (LL8) | X | SFI | DIS |
| Cab & Chassis | C | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS |
| Chevy Express & Savana | G | 4.3L (L35) | W | CSFI | Magnetic (3) |
| — | — | 5.0L (L30) | M | CSFI | Magnetic (3) |
| — | — | 5.7L (L31) | R | CSFI | Magnetic (3) |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS |
| Cutaway | G | 5.7L (L31) | R | CSFI | Magnetic (3) |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| Envoy | S, T | 4.2L (LL8) | X | SFI | DIS |
| Envoy XL | S, T | 4.2L (LL8) | X | SFI | DIS |
| Escalade | C | 5.3L (LM7) | T | SFI | DIS |
| — | K | 6.0L (LQ9) | N | SFI | DIS |
| Escalade Ext | K | 6.0L (LQ9) | N | SFI | DIS |
| Montana & Venture | U, X | 3.4L (LA1) | E | SFI | DIS |
| RV Cutaway | G | 5.7L (L31) | R | CSFI | Magnetic (3) |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS Magnetic |
| Sierra & Silverado | C, K | 4.3L (L35) | W | CSFI | Magnetic (3) |
| — | — | 4.3L (LU3) | X | CSFI | Magnetic (3) |
| — | — | 4.8L (LR4) | V | SFI | DIS |
| — | — | 5.3L (LM7) | T | SFI | DIS |
| — | — | 6.0L (LQ4 | U | SFI ) (4) | DIS |
| — | — | 6.0L (LQ4/KL6) | U | SFI (5) | DIS |
| — | — | 6.0L (LQ4/KL8) | U | SFI (6) | DIS |
| — | — | 6.6L (LB7) | 1 | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS |
| Silhouette | U | 3.4L (LA1) | E | SFI | DIS |
| Sonoma & S10 Pickup | S | 2.2L (L43) | 5 | SFI (7) | DIS |
| — | S, T | 4.3L (L35) | W | CSFI | Magnetic (3) |
| Suburban | C, K | 5.3L (LM7) | T | SFI | DIS |
| — | — | 5.3L (L59) | Z | SFI (7) | DIS |
| — | — | 6.0L (LQ4) | U | SFI | DIS |
| — | — | 8.1L (L18) | G | SFI | DIS |
| Tahoe | C, K | 4.8L (LR4) | V | SFI | DIS |
| — | — | 5.3L (LM7) | T | SFI | DIS |
| — | — | 5.3L (L59) | Z | SFI (7) | DIS |
| Tracker | J | 2.0L (L34) | C | MFI | DIS |
| — | — | 2.5L (LE8) | L | SFI | DIS |
| Vue | Z | 2.2L (L61) | F | SFI | DIS |
| — | — | 3.0L (L81) | R | SFI | DIS |
| Yukon | K | 4.8L (LR4) | V | SFI | DIS |
| — | — | 5.3L (LM7) | T | SFI | DIS |
| — | — | 5.3L (L59) | Z | SFI (7) | DIS |
| — | — | 6.0L (LQ4) | U | SFI | DIS |
| Yukon XL | C, K | 5.3L (LM7) | T | SFI | DIS |
| — | — | 5.3L (L59) | Z | SFI (7) | DIS |
| — | — | 6.0L (LQ4) | U | SFI | DIS |
| — | — | 8.1L (L18) | G | SFI | DIS Magnetic |
| (1) Series designation. (2) Engine code is stamped on engine block. See ENGINE CODE LOCATION . (3) Uses Enhanced Electronic Ignition (EEI), utilizing a camshaft and crankshaft position sensor. (4) Gasoline vehicle. (5) Bi-fuel vehicle. (6) Compressed Natural Gas (CNG) vehicle. (7) Flex-fuel vehicle. |
| (2) | Engine code is stamped on engine block. See ENGINE CODE LOCATION . |
| (3) | Uses Enhanced Electronic Ignition (EEI), utilizing a camshaft and crankshaft position sensor. |
| (6) | Compressed Natural Gas (CNG) vehicle. |
Scheme 1
Scheme 2