Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1992 Land Rover Range Rover CountyFACTORY OEM SERVICE PROCEDURE
Trouble Code Identification Chart
TROUBLE CODE IDENTIFICATION CHART
| Fault Code | Definition |
|---|---|
| 02 | Reconnected ECM |
| 12 | Mass Airflow Sensor |
| 14 | Coolant Temperature Sensor |
| 15 | Fuel Temperature Sensor |
| 17 | Throttle Position Sensor |
| 18 | Throttle Position Sensor Input High/Mass Airflow Sensor Low |
| 19 | Throttle Position Sensor Input Low/Mass Airflow Sensor High |
| 21 | Tune Select Resistor |
| 23 | Fuel Supply |
| 28 | Air Leak |
| 29 | ECM Memory Check |
| 34 | Injector - Bank "A" (Left Bank) |
| 36 | Injector - Bank "B" (Right Bank) |
| 40 | Misfire - Bank "A" (Left Bank) |
| 44 | Lambda (Oxygen) Sensor - Bank "A" (Left Bank) |
| 45 | Lambda (Oxygen) Sensor - Bank "B" (Right Bank) |
| 48 | Idle Speed Stepper Motor |
| 50 | Misfire - Bank "B" (Right Bank) |
| 59 | Group Faults 23/28 |
| 68 | Vehicle Speed Sensor |
| 69 | Starter Inhibit/Reverse Switch |
| 88 | Purge Valve Leak |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
