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.
1990 Ford Probe GL, AutomaticFACTORY OEM SERVICE PROCEDURE
Using Continuous Monitor Mode
If a code pattern is displayed:
- Visually inspect sensor.
- Lightly tap on sensor.
- Push/pull on sensor harness connector. DO NOT disconnect connector yet.
- Shake harness vigorously, working from sensor connector toward dash panel and from dash panel to control module in short sections.
- If no sign of intermittent, carefully disconnect sensor from harness. Visually inspect harness at both ends for corrosion, bad crimps and improperly seated terminals. Reconnect after inspection.
- Carefully disconnect VAPS control module and inspect terminals. Remove only terminals associated with sensor being inspected.
- If VOM does NOT give a positive intermittent indication, reconnect all terminals and connectors.
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:
- • 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.
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