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

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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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