Symptom Troubleshooting [Engine)
- Foreword
- Engine OBD II Monitors
- Electronic Engine Control (EEC) System
- On - Board Diagnostic Tests
- Drive Cycles
- DTC Index - Powertrain Control Module (Pcm)
- DTC Application Chart - Powertrain Control Module (Pcm)
- Pcm Tests With Codes
- Notes
- Mass Air Flow (MAF) Sensor Diagnosis (Codes P0102, P0103, P1100, P1101)
- Manifold Absolute Pressure (Map) Sensor Diagnosis (2.3L) (Codes P0107, P0108, P0109)
- Intake Air Temperature (IAT) Sensor And Engine Coolant Temperature (ECT)/Cylinder Head Temperature (CHT) Sensor Diagnosis (Codes P0112, P0113, P0117, P0118, P0125, P1112, P1116, P1117, P1285, P1288, P1289, P1290, P1299)
- Notes
- Pinpoint Test For DTC P0112, P0113, P0117, P0118, P0125, P1112, P1116, P1117, P1285, P1288, P1289, P1290, P1299
- Throttle Position (TP) Sensor Circuit Diagnosis (DTC P0121, P0122, P0123, P1120, P1121, P1124, P1125)
- Heated Oxygen Sensor (Ho2S) Diagnosis (DTC P0131, P0151)
- Heated Oxygen Sensors (Ho2S) - Upstream Diagnosis (DTC P0133, P0153)
- Heated Oxygen Sensor (Ho2S) Heater Circuit Diagnosis (DTC P0135, P0141, P0155)
- Heated Oxygen Sensor (Ho2S) Diagnosis (DTC P0136, P1137, P1138)
- Adaptive Fuel Control Diagnosis (DTC P0171, P0174)
- Adaptive Fuel Control Diagnosis (DTC P0172, P0175)
- Fuel Injector Diagnosis (DTC P0201, P0202, P0203, P0204, P0205, P0206)
- Fuel Pump (FP) Primary Or Secondary Circuit Diagnosis (DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0316)
- Misfire Detection Monitor Diagnosis (DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0316)
- Crankshaft Position (CKP) Sensor Diagnosis (DTC P0320)
- Knock Sensor Diagnosis (DTC P0325, P0326)
- Camshaft Position (CMP) Sensor Diagnosis (DTC P0340)
- Ignition Coil Primary Circuit Diagnosis (DTC P0350)
- Integrated Ignition Coil 1, 2, 3, Or 4 Diagnosis (DTC P0351, P0352, P0353, P0354)
- Electric EGR (EEGR) System - 2.3L Diagnosis (DTC P0400, P0403, P1408)
- Catalyst Efficiency Monitor Diagnosis (DTC P0420, P0430)
- Evaporative Emission (EVAP) Monitor And System Diagnosis (DTC P0442)
- Evaporative Emission (EVAP) Canister Purge Solenoid Diagnosis (DTC P0443)
- EVAP System Diagnosis (DTC P0451, P0461)
- Fuel Tank Pressure (Ftp) Sensor Diagnosis (DTC P0452)
- Fuel Tank Pressure (Ftp) Sensor Diagnosis (DTC P0453)
- Evaporative Emission (EVAP) System Diagnosis (DTC P0455, P1443)
- Evaporative Emission (EVAP) System Diagnosis (DTC P0457)
- Fuel Level Input (FLI) Circuit Diagnosis (DTC P0460)
- Idle Air Control (IAC) Valve Assembly Diagnosis (DTC P0505, P1504, P1507)
- Powertrain Control Module (Pcm) Diagnosis (DTC P0603, P1633)
- Brake Pedal Position (BPP) Switch Diagnosis (DTC P0703, P1703)
- Clutch Pedal Position (CPP) Switch Diagnosis (DTC P0704, P1709)
- OBDII Drive Cycle Diagnosis (DTC P1000)
- Data Link Connector (DLC) Diagnosis (DTC P1001)
- Ho2S Heater (S) Diagnosis (DTC P1127)
- Heated Oxygen Sensor Ho2S Signals (V6 Only) Diagnosis (DTC P1128)
- Fuel System Not Switching At Fuel Trim (Rich Or Lean) Diagnosis (DTC P1130, P1150)
- Heated Oxygen Sensor (Ho2S) Not Switching - Upstream Diagnosis (DTC P1131, P1151)
- Heated Oxygen Sensor (Ho2S) Not Switching - Upstream Diagnosis (DTC P1132, P1152)
- Engine Rpm/Vehicle Speed Limiter Diagnosis (DTC P1270)
- Misfire Detection Monitor Disabled Diagnosis (DTC P1309)
- Evaporative Emission (EVAP) Monitor And System Diagnosis (DTC P1450)
- Canister Vent (CV) Solenoid Diagnosis (DTC P1451)
- A/C Clutch Relay (ACCR) Diagnosis (DTC P1460)
- A/C Control Signal (ACCS) Diagnosis (DTC P1464)
- Cooling Fan Diagnosis (2.3L) (DTC P1474)
- Idle Air Control (IAC) System Diagnosis (DTC P1506)
- Power Steering Pressure (PSP) Switch (2.3L Only) Diagnosis (DTC P1650, P1651)
- Transfer Case Range Malfunction - 4X4 Low (4X4L) Diagnosis (DTC P1729, P1781)
- Transmission Control Switch (TCS) Or Transmission Control Indicator Lamp (TCIL) Circuit Diagnosis (DTC P1780)
- Symptom Troubleshooting Chart - Engine DRIVEABILITY
- Engine Inspection
- Engine Component Test
- Engine Oil Leaks - Fluorescent Oil Additive Method
- Leakage Points - Underhood
- Leakage Points - Under Engine, With Vehicle on Hoist
- Leakage Points - With Transmission and Flywheel Removed
- Compression Test
- Compression Test - Results
- Compression Test - Interpreting Compression Readings
- Cylinder Leakage Detection
- Oil Leak and Valve Stem Seal Test
- Oil Consumption Test
- Excessive Engine Oil Consumption
- Intake Manifold Vacuum Test
- Intake Manifold Vacuum Test - Interpreting Vacuum Gauge Readings
- Oil Pressure Test
- Valve Train Analysis - Engine Off
- Valve Train Analysis - Engine Off, Valve Cover Removed
- Valve Train Analysis - Engine Off, Valve Tappets
- Valve Train Analysis - Engine Off, Camshaft - Overhead Camshaft Engines
- Valve Train Analysis - Engine Off, Valve Springs
- Valve Train Analysis - Engine Off, Valve Spring Retainer and Valve Spring Retainer Keys
- Valve Train Analysis - Engine Off, Valves and Cylinder Head
- Valve Train Analysis - Engine Running
- Valve Train Analysis - Engine Running, Rocker Arm
- Camshaft Lobe Lift
- Camshaft Lobe Lift - Valve Tappet, 2.3L, 3.0L and 4.0L Engines
- Timing Chain - 2.3L, 3.0L and 4.0L Engines
- Timing Chain Deflection - 2.3L, 3.0L and 4.0L Engines
- Charging System Component Tests
- Symptom Troubleshooting Chart - Engine Mechanical
- Symptom Troubleshooting Chart - Drive Belt
- Symptom Troubleshooting Chart - Engine Cooling
- Exhaust System Symptom Chart
- Evaporative Emission System Inspection
- Evaporative Emission Symptom Chart
- Symptom Troubleshooting Chart - Charging System
- Cooling System Component Test
- Symptom Troubleshooting Chart - Starting System
- Symptom Troubleshooting Chart - Cruise Control
- Symptom Troubleshooting Chart - Powertrain Control Module (Pcm)
- General Test Index