Here you'll find the essentials to tune-up your 1991, 1992, 1993, or 1994 3.0L Ford Ranger. You'll also find the cylinder head, intake manifold, and intake plenum manifold torque and tightening sequence specifications.
Contents of this tutorial:
Ignition System Specifications
1994 was the last year model that the 3.0L V6 Ford Ranger used a mechanical distributor.
| 1991-1994: Spark Plug Cable Resistance | |
|---|---|
| Ranger | 7K (7000) Ohms for each 30 cm. |
| 1991-1994: Spark Plug Air Gap | |
|---|---|
| Ranger | 0.042-0.046 inches (1.07-1.17 MM). |
| 1991-1994: Base Ignition Timing | |
|---|---|
| Ranger | 10° BTDC (before top dead center). NOTE: The inline SPOUT connector must be disconnected. |
| 1991-1994: Original Equipment Spark Plug | |
|---|---|
| Spark Plug | Motorcraft AWSF-32P (OE) Motorcraft SP413 (supercedes AWSF-32P) |
You can find the 1993-1994 3.0L Ford Ranger fuel pump circuit diagram here: 1992-1994 3.0L Ford Ranger Ignition Control Module Wiring Diagram.
Fuel System Specifications
1991-1994 3.0L V6 Ford Rangers use the EEC-IV electronic fuel injection system. This system uses a fuel injection computer with 60 pins.
Fuel pump is inside the gasoline tank.
| 1991-1994: Fuel Pressure With Key On Engine Off | |
|---|---|
| Ranger | 35-40 PSI (2.5-2.8 Kg/cm²). |
| Fuel Pressure With Key On Engine Running | |
| Ranger | 30-45 PSI (2.1-3.2 Kg/cm²). |
| 1991-1994: Fuel Injector Resistance | |
|---|---|
| Ranger | 15-18 Ohms (individual resistance). |
| Location Of The Fuel Pump Inertia Switch | |
|---|---|
| Ranger | Passenger side, beneath glove box. |
You can find the 1993-1994 3.0L Ford Ranger fuel pump circuit diagram here: 1993-1994 3.0L V6 Ranger Fuel Pump Circuit Diagram.