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.
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HOMESERVICE MANUALSFORD1991PROBE GL, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - SYSTEM/COMPONENT TESTS - 2.2L
1991 Ford Probe GL, Standard
Engine Controls - System/Component Tests - 2.2L
1991 Ford Probe GL, StandardSECTION Engine Controls - System/Component Tests - 2.2L
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- Barometric Pressure Sensor
- Clutch Engage Switch/Neutral Gear Switch (CEC/NES)
- Crankshaft Position Sensor (1.8L & 2.2L Turbo)
- Cylinder Identification No. 1 (CID1)
- Cylinder Identification No. 2 (CID2)
- Engine Coolant Temperature (ECT) Sensor
- Exhaust Gas Oxygen (Ego) Sensor
- Inertia Switch
- Knock Sensor (2.2L Turbo)
- Power Steering Pressure Switch (PSPS)
- Throttle Position Sensor
- Vane Airflow (VAF)
- Vane Air Temperature (Vat
- Vehicle Speed Sensor (VSS)
- Modules
- Motors
- Relays
- Solenoids
- Fuel Pressure Release
- Fuel System Testing
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.