Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1989 Ford Probe GL, AutomaticFACTORY OEM SERVICE PROCEDURE
Fuel Injection System Specifications - MPFI/SEFI: Specifications
PORT FUEL INJECTION SPECIFICATIONS
| Application | Specification | |||||
|---|---|---|---|---|---|---|
| 1.9L (EEC-IV) | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 900 - 1000 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 2.3L HSC/HSO EFI (EEC-IV) | ||||||
| Manual Transmission: | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 820 - 880 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Automatic Transmission: | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 690 - 750 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 2.3L OHC EFI (EEC-IV) | ||||||
| Passenger Car: | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 770 - 830: Set at 690-750 RPM for calibration Nos. 7-05A-R11 and 7-06A-R10. | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Light Trucks | ||||||
| Manual Transmission | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 550 - 600 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Automatic Transmission | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 645 - 795 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 2.3L OHC Turbo EFI (EEC-IV) | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 690 - 750 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 2.9L (EEC-IV) | ||||||
| Manual Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 850 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Automatic Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 800 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 3.0L VIN U (EEC-IV) | ||||||
| Passenger Car | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 740 - 780 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Light Trucks | ||||||
| Manual Transmission | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 700 - 750 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Automatic Transmission | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 600 - 650 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 3.0L VIN Y (EEC-IV) | ||||||
| Passenger Car | ||||||
| Throttle Position Sensor (TPS) | Nonadjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 760 - 830 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 3.8L VIN 4 (EEC-IV) | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 650 - 750: Set RWD Models At 500-600 RPM In "D". Set At 590-690 RPM For Calibration Nos. 8-16D-R10 and 8-16R-R10. | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 3.8L VIN C (EEC-IV) | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | Information Not Available. | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 4.9L (EEC-IV) | ||||||
| Manual Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 625 - 725 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Automatic Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 525 - 625: For Light Trucks with E40D Transmission, Set at 730-780 RPM. | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 5.0L (EEC-IV) | ||||||
| Passenger Car | ||||||
| Base Engines (VIN F) | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 525 - 650 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| High Output Engine (VIN E) | ||||||
| Manual Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 625 - 775 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Automatic Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 550 - 675 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Light Trucks & Vans | ||||||
| Manual Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 700 - 750 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Automatic Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 675 - 725 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 5.8L (EEC-IV) | ||||||
| Manual Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 730 - 780 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Automatic Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 780 - 830: For Light Trucks With E40D Transmission, Set At 730-780 RPM. | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| 7.5L (EEC-IV) | ||||||
| Manual Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 650 - 675 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
| Automatic Transmission | ||||||
| Throttle Position Sensor (TPS) | Adjustable (0.7-1.3 volts) | |||||
| Hot (Slow) Idle Speed (RPM) | 650 - 700 | |||||
| Idle Speed Control (Nonadjustable) | ||||||
| Low RPM | N/A | |||||
| High RPM | N/A | |||||
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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