Engine Controls Trouble Shooting (4 Of 5)
- Diagnostic Index
- Notes
- Starting Concerns
- Hard Start / Long Crank / Erratic Start / Erratic Crank
- Cranks Normally But Will Not Start
- Unique Idle Concern
- Fast Idle
- Low Idle / Stalls During Deceleration
- Engine Poor DRIVEABILITY
- Backfires
- Lack/Loss Of Power
- Knocking / Pinging
- Poor Fuel Economy
- Emissions Compliance
- Mil/TCIL Never On And Mil/TCIL Always On
- Automatic Transmission Shift Concerns
- Instrumentation
- Exhaust System Concerns
- Fuel Odor In Engine Compartment
- Engine Noise
- A/C Does Not Work
- A/C Always On And A/C Compressor Runs Continuously
- A/C Does Not Cut-Off Under Wide Open Throttle Conditions
- Exterior Lighting Systems
- Exhaust Sulphur Smell
- All Supported On Board System Readiness Tests Not Completed
- Fuel Pump Always Runs
- Engine Inspection
- Engine Component Tests
- Engine Oil Leaks - Fluorescent Oil Additive Method
- Compression Test
- Cylinder Leakage Detection
- Oil Leak And Valve Stem Seal Test
- Oil Consumption Test
- Intake Manifold Vacuum Test
- Excessive Engine Oil Consumption
- Oil Pressure Test
- Valve Train Analysis - Engine Off
- Notes
- Valve Train Analysis - Engine Off, Valve Cover Removed
- Valve Train Analysis - Engine Off, Rocker Arm - 3.0L And 4.0L Engines (Push Rod)
- Valve Train Analysis - Engine Off - 3.0L And 4.0L Engines (Push Rod)
- 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
- Camshaft Lobe Lift
- Timing Chain - 3.0L and 4.0L Engines
- Timing Belt - 2.5L
- Charging System Component Tests