Section 7 (2.3L HSC/CFI Testing)
WARNING: This page is about a different car, the 1987 Mercury Topaz and 1987 Ford Tempo. However, it is still accessible from the selected car via links, so may be relevant.
- 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