Symptom Troubleshooting - Engine (4 Of 5)

• Upstream Heated Oxygen Sensor (Ho2S) Not Switching
• Generator/Regulator System Malfunction
• Anti-Theft System
• Engine Rpm/Vehicle Speed Limiter
• Misfire Detection Monitor Disabled
• Differential Pressure Feedback (DPFEGR) Sensor Malfunction
• EGR Vacuum Regulator (EGRVR) Solenoid Circuit Malfunction
• Evaporative Emission (EVAP) Monitor And System
• Canister Vent (CV) Solenoid Malfunction
• A/C Clutch Relay (ACCR) Malfunction
• A/C Control Signal (ACCS) Malfunction
• A/C Pressure Sensor (ACP) Malfunction
• Cooling Fan Malfunction
• Idle Air Control (IAC) System Malfunction
• Power Steering Pressure (PSP) Switch Malfunction
• Diagnostic Index
• Starting Concerns
• Hard Start / Long Crank / Erratic Start / Erratic Crank
• Cranks Normal But Will Not Start
• Unique Idle Concern
• Fast Idle
• Low Idle / Stalls During Deceleration
• Engine Poor Drivability
• Backfires
• Lack / Loss Of Power
• Knocking / Pinging
• Poor Fuel Economy
• Emission Compliance
• Mil/TCIL Never On And Mil/TCIL Always On
• Exhaust System Concerns
• Fuel Odor In Engine Compartment
• Engine Noise
• Exhaust Sulfur Smell
• All Supported On Board System Readiness Tests Not Completed
• Fuel Pump Always On
• Engine
  • Inspection and Verification
  • Component Tests
    • Engine OH Leaks
    • Fluorescent Oil Additive Method
  • Compression Test
    • General Remarks
    • Check The Compression Pressure
    • Interpretation of the Results
  • Excessive Engine Oil Consumption
  • Oil Consumption Test
  • Intake Manifold Vacuum Test
    • Notes
    • Interpreting Vacuum Gauge Readings
• Evaporative Emission System
  • Evaporative Emission System
    • 3.0L Engine
    • 2.3L Engine
  • Principles of Operation
    • Fuel Filler Cap
    • Fuel Vapor Recirculation Tube
    • Fuel Vapor Control Valve (3.0L engine only)
    • Fuel Tank Pressure (FTP) Sensor
    • Evaporative Emission (EVAP) Vapor Management Valve
    • Canister Vent Solenoid
    • Evaporative Emission (EVAP) Check Valve
    • Dust Separator
    • Evaporative Emission (EVAP) Canister
    • Fuel Vapor Vent Valve (FVV) Assembly
    • Fuel Filler Pipe Check Valve
    • Evaporative Emission System Monitor
    • EVAP Running Loss System Leak Test
  • Inspection and Verification
• Evaporative Emission System Leak Test
  • Phase 1 - Leak Verification
  • Phase 2 - System Leak Check
• Evaporative Emission Repair Verification Drive Cycle
  • Drive Cycle Recommendations
• Canister Vent Solenoid Closing Procedure
• Acceleration Control
  • Notes
  • Inspection and Verification
• Charging System
  • Notes
  • Principles of Operation
  • Circuit Description
    • Positive Battery Output (B+) Terminal Circuit (B/O) (2.3L)
    • Positive Battery Output (B+) Terminal Circuit (Y/W) (3.0L)
    • A Circuit (B/Y)
    • Circuit (GY/O)
    • Circuit (BR/W)
  • Inspection and Verification
    • Notes
    • Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index
    • Instrument Cluster Diagnostic Trouble Code (DTC) Index
  • Component Tests
    • Notes
    • Battery - Electronic Drains Which Shut Off When the Battery Cable is Disconnected
    • Generator On-Vehicle Tests
    • Generator On-Vehicle Tests - Load Test
    • Generator On-Vehicle Tests - No Load Test
• Battery
  • Inspection and Verification
• Starting System
  • Principles of Operation
    • Anti-Theft Intervention
  • Inspection and Verification
  • Component Tests
    • Starter Motor - Motor Feed Circuit
    • Starter Motor - Ground Circuit Test
• Symptom Troubleshooting Chart - Engine
• Symptom Troubleshooting Chart - Drive Belts