APPLICATION
| Model | Chassis Code | Engine (1) | Engine ID | Fuel System | Ignition System |
| Amigo | L (2WD) | 2.3L 4-Cyl (4ZD1) | L | (2) | Magnetic (3) |
| Amigo | L (2WD) | 2.6L 4-Cyl (4ZE1) | E | PFI | Optical (4) |
| Amigo | R (4WD) | 2.6L 4-Cyl (4ZE1) | E | PFI | Optical (4) |
| Impulse | T | 1.6L 4-Cyl Non-Turbo (4XE1-W) | 5 | PFI | Magnetic (3) |
| Impulse | T | 1.6L 4-Cyl Turbo (4XE1-WT) | 4 | PFI | DIS |
| Pickup | L (2WD) | 2.3L 4-Cyl (4ZD1) | L | (2) | Magnetic (3) |
| Pickup | L (2WD) | 2.6L 4-Cyl (4ZE1) | E | PFI | Optical (4) |
| Pickup | L (2WD) | 3.1L V6 (CPC) | Z | TBI | Optical (4) |
| Pickup | R (4WD) | 2.6L 4-Cyl (4ZE1) | E | PFI | Optical (4) |
| Pickup | R (4WD) | 3.1L V6 (CPC) | Z | TBI | Optical (4) |
| Rodeo | R (4WD) | 2.6L 4-Cyl (4ZE1) | E | PFI | Optical (3) |
| Rodeo | R (4WD) | 3.1L V6 (CPC) | Z | TBI | Magnetic (4) |
| Rodeo | Y (4WD) | 3.1L V6 (CPC) | Z | TBI | Magnetic (4) |
| Stylus | T | 1.6L 4-Cyl DOHC (4XE1-W) | 5 | PFI | Magnetic (4) |
| Stylus | T | 1.6L 4-Cyl SOHC (4XE1-V) | 6 | PFI | Magnetic (4) |
| Trooper | H (4WD) | 2.6L 4-Cyl (4ZE1) | E | PFI | Optical (4) |
| Trooper | H (4WD) | 2.8L V6 (5) | R | TBI | Optical (4) |
| (1) On 4-cyl. engines, engine code is located on lower left rear flange of cylinder block. On V6 engine, engine code is located on top front center flange of block, above timing cover. (2) Computer controlled Stromberg 2-Bbl. feedback carburetor. (3) Non-computer controlled with vacuum advance. (4) Computer controlled. (5) LL2-GM engine code is GM Regular Production Option (RPO) code number. |
| (1) | On 4-cyl. engines, engine code is located on lower left rear flange of cylinder block. On V6 engine, engine code is located on top front center flange of block, above timing cover. |
| (2) | Computer controlled Stromberg 2-Bbl. feedback carburetor. |
| (3) | Non-computer controlled with vacuum advance. |
| (5) | LL2-GM engine code is GM Regular Production Option (RPO) code number. |
VIN DEFINITION
Numbers preceding the explanations in the legend below refer to the sequence of characters as listed on VIN identification label.
VIN Definition. Scheme 1
| VIN Code | Model Year |
| L | 1990 |
| M | 1991 |
MODEL YEAR VIN CODE APPLICATION
Scheme 2
Scheme 2: ENGINE CODE LOCATION
Scheme 3
Scheme 4