| Fuel pressure | |
| Ford Probe: | |
| – the ignition key is turned, the engine is not running | 35 – 40 psi |
| – the engine is running | 30 – 45 psi |
| Mazda: | |
| – the engine is running, the fuel pressure regulator vacuum hose is connected: | |
| • four-cylinder | 30 – 38 psi |
| • six-cylinder | 30 – 36 psi |
| – the engine is running, the fuel pressure regulator vacuum hose is disconnected: | |
| • four-cylinder | 37 – 46 psi |
| • six-cylinder | 39 – 45 psi |
| Injector resistance (approximately) | 12 – 16 Ohm |
Tightening torques, Nm
| Throttle body bolts or nuts: | |
| - four-cylinder | 19 – 24 |
| – six-cylinder: | |
| • nuts | 20 – 29 |
| • bolts | 19 – 24 |
| Fuel line bolts | 19 – 24 |
| Fuel pressure regulator bolts | 11 |