Engine & fuel system
1 documented fault — symptoms, causes and workshop fixes.
Timing belt warning lamp illuminated whilst driving with engine speed above 3000rpm
Cause
Manifold absolute pressure (MAP) sensor faulty or contaminated with dirt.
Repair
- Fit new MAP sensor.
Data: Motorwise Workshop. Bulletin 1.
Glossary
Technical terms used in this guide.
- Manifold Absolute Pressure
- A sensor reading of pressure in the intake — used to work out engine load
Frequently asked questions
What are the common faults with the Toyota Landcruiser 4.2 Turbo?
This guide contains one workshop bulletin for the Toyota Landcruiser 4.2 Turbo. Of these, one concerns the engine and fuel system. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Toyota Landcruiser 4.2 Turbo have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Toyota Landcruiser 4.2 Turbo faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.