The MAP (Manifold Absolute Pressure) sensor is one of the most critical inputs on the 1HD-FTE engine. It tells the ECU exactly how much boost pressure is being produced – and whether you’re running a standard setup or a tuned engine with a Unichip UNI-X, accurate MAP sensor data is everything.
These sensors are generally reliable, but given the age of most HDJ79 and HDJ100 vehicles now, having a genuine replacement on hand is just good sense. If you’re doing an engine refresh, chasing a fault code, or simply want the peace of mind of a fresh OEM sensor, this is the one.
🚗 Suitable for:
- Toyota Landcruiser HDJ79 1HD-FTE 4.2L Turbo Diesel
- Toyota Landcruiser HDJ100 1HD-FTE 4.2L Turbo Diesel
📦 What’s Included:
- Genuine MAP sensor (Part No. 89421-71030)
🛠️ Fitment Details:
- Two-bolt removal and reinstallation – no modification required
- Connects via existing vacuum hose and wiring harness
- We also stock genuine vacuum hose to suit – worth replacing at the same time if the original is aged or showing signs of wear
- For performance applications, securing the vacuum hose with a cable tie is recommended for added security
⚙️ Why Choose This:
- Genuine OEM part – built to the original factory specification
- Ensures accurate manifold pressure readings critical for correct fuelling and boost management
- On Unichip-tuned engines, the MAP sensor serves as the primary load reference for fuel control – a fresh sensor means confidence in your tune
- Direct replacement with no compatibility concerns or signal calibration issues
- Sourced and dispatched locally from our Brisbane store
📦 Dispatch Information:
We keep these on the shelf at our Brisbane store, for fast dispatch.
❓ FAQs:
Q: Will this sensor fit both the 79 Series and 100 Series Landcruiser?
A: Yes – this sensor suits all HDJ79 and HDJ100 models fitted with the 1HD-FTE engine.
Q: Why would I need to replace my MAP sensor?
A: These sensors are generally reliable units. Given the age of most HDJ79 and HDJ100 vehicles, it’s worth having a fresh one available if you’re doing a broader engine refresh, or if you’re chasing an intermittent boost or fuelling issue and want to rule it out.
Q: Do I need any special tools to fit this sensor?
A: No special tools required – the sensor is secured by two bolts and is straightforward to swap out.
Q: Should I replace the vacuum hose at the same time?
A: It’s a good opportunity to do so if the hose is aged. We stock replacement vacuum hose to suit, and for performance applications we recommend securing it with a cable tie once fitted.
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