A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Manufacturer Code Charts
- Related Tests, Information and Procedures
- Driveability (DR) Tests Cold
- Diagnostic Notes (Read Before Proceding)
- DR-1A Checking Choke Position
- DR-2A Choke Vacuum Kick (2-BBL)
- DR-2B Choke Valve Angle (4-BBL)
- DR-3A Heated Air Intake System
- DR-3B Vapor Containment Door (4-BBL)
- DR-3C Vapor Door Vacuum Delay Valve (4-BBL)
- DR-4A Charge Temperature Sensor Circuit
- DR-4B Charge Temperature Sensor
- DR-5A Choke Plate Position
- DR-5B Choke Control Switch
- DR-5C, Voltage to Choke Heating Element (4-BBL)
- DR-5D, Choke Heater Element (2-BBL)
- DR-5E, Voltage to Choke Control Switch
- DR-5F, Voltage to Oil Pressure Switch
- DR-5G, Wire to the Choke Control Switch
- DR-6A, Checking EGR System
- DR-6B, EGR Vacuum Solenoid Control Voltage
- DR-6C, EGR Vacuum Solenoid Supply Voltage
- DR-6D, EGR Vacuum Solenoid Control Circuit
- DR-7A, Checking Spark Plugs
- DR-8A, Checking Secondary Ignition
- DR-9A, Battery Voltage to Computer
- DR-9B, Oxygen Feedback System
- DR-9C, Oxygen Solenoid Control Circuit
- DR-9D, Check Oxygen Solenoid For an Open
- DR-9E, Checking Oxygen Solenoid
- DR-10A, Checking Oxygen Solenoid
- DR-10B, Checking Bowl Vent Valve
- DR-11A, Checking Start to Run Pickup Coil Transfer
- DR-11B, Run Pickup Coil
- DR-11C, Run Pickup Coil Wires
- DR-11D, Pickup Air Gap
- DR-12A, Checking Basic Ignition Timing
- DR-12B, Ignition System Spark Advance
- DR-12C, Vacuum to Computer
- DR-13A, Checking Idle RPM
- DR-13B, Checking Propane RPM
- DR-13C, Fast Idle RPM
- DR-14
- Driveability (DR) Tests Warm
- Diagnostic Notes (Read Before Proceding)
- DR-1A, Checking Carburetor Switch
- DR-2A, Charge Temperature Sensor Circuit
- DR-2B, Engine Charge Temperature Sensor
- DR-3A, Checking Choke Plate Position
- DR-3B, Choke Control Voltage
- DR-3C, Voltage to Choke Heating Element (4-BBL)
- DR-3D, Checking Choke Heater
- DR-3E, Voltage to Choke Control Switch
- DR-3F, Ignition Switch Supply Voltage
- DR-3G, Wire to the Choke Control Switch
- DR-4A, Checking Start to Run Pickup Coil Transfer
- DR-4B, Run Pickup Coil
- DR-4C, Run Pickup Coil Wires
- DR-4D, Pickup Air Gap
- DR-5A, Checking EGR System
- DR-5B, Checking EGR Valve
- DR-5C, EGR Vacuum Bleed Off Valve (2-BBL)
- DR-5D, Vacuum Signal to EGR Valve
- DR-5E, EGR Vacuum Bleed Off Valve (2-BBL)
- DR-5F,EGR Signal Before the Delay Valve(Federal 2-BBL)
- DR-5G, Vacuum Signal at EGR Control Solenoid
- DR-5H, Vacuum Signal at EGR Control Solenoid
- DR-5I, Vacuum Supply Signal From the Carburetor
- DR-5J, Vacuum Supply From the Intake Manifold
- DR-5K, EGR Vacuum Solenoid Control Voltage
- DR-5L, EGR Vacuum Solenoid Control Wire
- DR-6A, Checking Secondary Ignition System
- DR-7A, Air Switching System
- DR-7B, Upstream Air Supply
- DR-7C, Vacuum Supply to Air Switching Valve
- DR-7D, Air Switching Vacuum Solenoid Control Voltage
- DR-7E, Air Switching Vacuum Solenoid Control Wire
- DR-8A, Checking Bowl Vent Valve
- DR-8B, Checking Bowl Vent Valve
- DR-9A, Battery Voltage to Computer
- DR-9B, Oxygen Feedback System
- DR-9C, Oxygen System Response
- DR-9D, Checking Oxygen Solenoid
- DR-9E, Oxygen Sensor Control Circuit
- DR-9F, Oxygen Solenoid Control Wire
- DR-9G, Oxygen Solenoid Control Circuit
- DR-9H, Check Oxygen Solenoid For an Open
- DR-9I, Voltage Supply to Oxygen Solenoid
- DR-9J, Checking Oxygen Feedback System
- DR-9K, Oxygen Sensor Control Circuit
- DR-10A, Idle Control System
- DR-10B, Voltage to Idle Control Solenoid
- DR-10C, Idle Control Solenoid Operation
- DR-10D, Idle Control Solenoid Wire
- DR-10E, Solenoid Idle Speed
- DR-10F, Solenoid Idle Speed With A/C
- DR-10G, A/C or Heated Rear Window Signal to Computer
- DR-10H, Idle Control Solenoid Operation
- DR-10I, Idle Control Solenoid Operation With A/C
- DR-10J, Checking Solenoid Idle Speed
- DR-10K, Checking Computer Signal
- DR-11A, Checking Basic Ignition Timing
- DR-11B, Ignition System Spark Advance
- DR-11C, Detonation Sensor Operation
- DR-11D, Vacuum to Computer
- DR-12A, Checking Idle RPM
- DR-12B, Checking Propane RPM
- DR-13A, Heated Air Intake System
- DR-13B, Heated Air Sensor
- DR-13C, Vapor Containment Door
- DR-14