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 MANUALSFORD1987TEMPO GL, 4D SEDAN, 2.3 X, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEM2.3L HSC/CFI TESTING
1987 Ford Tempo GL, 4D Sedan, 2.3 X, Automatic
2.3L HSC/CFI Testing
1987 Ford Tempo GL, 4D Sedan, 2.3 X, AutomaticSECTION 2.3L HSC/CFI Testing
- Diagnosis & Testing
- Quick Test
- Diagnosis By Symptom Test
- Wiring Diagrams
- Circuit Tests
- How To Use Circuit Tests
- Test A - No Start
- Test B - Vehicle Battery
- Test C - Reference Voltage
- Test D - Vane Air Temperature (Vat) Sensor
- Test E - Air Charge Temperature (Act) Sensor
- Test F - EGR Valve Position (EVP) Sens, EGR CTRL (EGRC) Solenoid & EGR Vent (EGRV) Solenoid
- Test G - Engine Coolant Temperature (ECT) Sensor
- Test H - Map/BP Sensor
- Map/BP Tester Hook-Up
- Test J - Throttle Position Sensor (TPS)
- Test L - Pressure Feedback EGR (PFE) & EGR Valve Regulator (EVR)
- Test M - EVP & EVR4
- Test N - Vehicle Speed Sensor (VSS)
- Test O - Neutral A/C Switch
- Test P - Key Power Check
- Test Q - Brake On/Off (Boo)
- Test R - PSPS (Power Steering Pressure Switch)
- TEST W (1.9L CFI, 2.3L HSC/CFI & 2.5L HSC/CFI Fuel Control)
- Test Y - Inertia Switch
- Test Z - EGR On/Off Control
- Test Aa - Dc Motor/Idle Tracking Switch Assembly & TPS
- Test BB - Air Management System
- Test Cc - CANP Check
- Test Ff - Shift Indicator Light
- Test GG - A/C Cut-Out (WAC)
- Test JJ - Converter Clutch Override (CCO)
- Test KK - Converter Clutch Override (CCO) & 3/4-4/3 Shift Solenoid
- Test Ll - Dynamic Response Test
- Test Mm - "Check Engine"
- Test NN - Ignition Diagnostic Monitor (IDM)
- Test Oo - Spark Timing Check
- Test Pp - No Codes/Codes Not Listed
- Test QQ - System Check
- Test RR - AXOD Transaxle
- Test TT - Erratic Ignition
- TFI Circuit
- AXOD Transaxle Electrical System Diagnosis
- DRIVEABILITY Tests
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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.