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
Engine Controls - Tests W/O Codes
- Introduction
- DRIVEABILITY Symptom Check Procedures
- Symptom-To-Routine Menu
- Intermittent Problem Diagnosis
- Intermittent Test Procedures
- Routine 200 - No Crank & No Start
- Routine 201 - Cranks Normally But Won't Start
- Routine 202 - Cranks Normally But Won't Run (Stalls)
- ROUTINE 203 - Cranks NORMALLY BUT SLOW TO START
- Routine 204 - Rough Idle
- Routine 205 - Misses Under Load
- Routine 206 - Low Idle (Stalls On DECEL Or Quick Stop)
- Routine 207 - Hesitates Or Stalls On Acceleration
- Routine 208 - Backfire (Intake Or Exhaust)
- Routine 209 - Lack Of Power
- Routine 210 - Surges At Steady Speed
- Routine 212 - Engine Noise
- Routine 213 - Poor Fuel Economy
- Routine 214 - High Oil Consumption
- Routine 215 - Spark Knock (Pings)
- ROUTINE 216 - ENGINE VIBRATES AT NORMAL OR HIGH Speed
- Routine 217 - Engine Runs Cold
- Routine 218 - Engine Runs Hot
- ROUTINE 219 - Exhaust SMOKE
- Routine 220 - Gas Smell
- Routine 221 - "Check Eng/SERV Soon" Always/Never On
- Routine 222 - State Emission Test Failure
- ROUTINE 223 - IMPROPER Shift
- Routine 224 - SIL & Audible Chimes "On"
- Glow Plug Testing
- 1.9L Symptom-To-Diagnostic Flow Chart Menu
- 2.3L Symptom-To-Diagnostic Flow Chart Menu
- 2.5L Symptom-To-Diagnostic Flow Chart Menu
- 3.0L Symptom-To-Diagnostic Flow Chart Menu
- 3.8L Symptom-To-Diagnostic Flow Chart Menu
- 5.0L Symptom-To-Diagnostic Flow Chart Menu
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:
- • 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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