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
- DR-3A Heated Air Intake System
- DR-3B Checking Vapor Door
- DR-3C Checking Vapor Door
- DR-4A Charge Sensor Circuit
- DR-4B Engine Charge Sensor
- DR-5A Checking Choke Position
- DR-5B Checking Choke Control
- DR-5C Voltage to Choke Control
- DR-5D, Checking Choke Heater
- DR-5E, Voltage to Choke Control
- DR-5F, Voltage to Oil Pressure Switch
- DR-5G, Wire to Oil Pressure Switch
- DR-6A, Checking EGR System
- DR-6B, EGR Control Voltage
- DR-6C, EGR Supply Voltage
- DR-6D, EGR 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, Voltage to Oxygen Solenoid
- DR-9D, Oxygen Solenoid Control Circuit
- DR-9E, Oxygen Solenoid Control Circuit
- DR-9F, Checking Oxygen Solenoid
- DR-10A, Checking Bowl Vent Valve
- DR-10B, Checking Bowl Vent Valve
- DR-11A, Checking Start to Run Transfer
- DR-11B, Run Pickup Coil
- DR-11C, Run Pickup Coil Wires
- DR-11D, Pickup Air Gap
- DR-12A, Checking Ignition Timing
- DR-12B, Checking 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 Sensor Circuit
- DR-2B, Engine Charge Sensor
- DR-3A, Checking Choke Position
- DR-3B, Choke Control Voltage
- DR-3C, Checking Choke Heater
- DR-3D, Choke Control Supply Voltage
- DR-3E, Choke Control Supply Voltage
- DR-3F, Choke Control Wire
- DR-4A, Checking Start to Run Transfer
- DR-4B, Run Pickup Coil
- DR-4C, Run Pickup Coil Wires
- DR-4D, Pickup Air Gap
- DR-5A, Checking EGR Valve
- DR-5B, Vacuum to EGR Valve
- DR-5C, Vacuum at EGR Control Solenoid
- DR-5D, Vacuum to EGR Control Solenoid
- DR-5E, Vacuum Supply to EGR Amplifier
- DR-5F, Vacuum Supply to EGR Amplifier
- DR-5G, EGR Control Solenoid Voltage
- DR-5H, EGR Control Solenoid Wire
- DR-6A, Checking Secondary Ignition System
- DR-7A, Air Switching System
- DR-7B, Checking Air Supply
- DR-7C, Vacuum Supply to Air Valve
- DR-7D, Air Switching Control Solenoid Voltage
- DR-7E, Air Switching Control Solenoid 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, Checking Oxygen Sensor
- DR-9F, Oxygen Solenoid Control Wire
- DR-9G, Oxygen Solenoid Control Circuit
- DR-9H, Checking Oxygen Solenoid
- DR-9I, Voltage Supply to Oxygen Solenoid
- DR-9J, Checking Oxygen Feedback System
- DR-9K, Checking Oxygen Sensor
- DR-10A, Idle Control System
- DR-10B, Voltage to Solenoid
- DR-10C, Checking Idle Solenoid
- DR-10D, Solenoid Control Wire
- DR-10E, Solenoid Idle Speed
- DR-10F, Solenoid Idle Speed
- DR-10G, Checking Computer Signal
- DR-10H, Idle Solenoid Control
- DR-10I, Idle Solenoid Control
- DR-10J, Checking Solenoid Idle Speed
- DR-10K, Checking Computer Signal
- DR-11A, Checking Ignition Timing
- DR-11B, Checking Spark Advance
- DR-11C, Detonation Sensor
- 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