4458309 | Fuel Pressure Sensor - 4.2 AJ-V8 | Range Rover L322, Range Rover Sport L320
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: 4458309 - Fuel Pressure Sensor - 4.2 Supercharged AJ-V8
4458309 is a fuel pressure sensor for the 4.2 Supercharged AJ-V8. Fitted to the fuel system of the 4.2 Supercharged AJ-V8 engine, this sensor measures fuel rail pressure and provides a signal to the engine control unit to enable accurate fuel delivery control.
Compatibility
- Range Rover L322 (2002-2009) - 4.2 Supercharged AJ-V8
- Range Rover Sport L320 - 4.2 Supercharged AJ-V8
Frequently Asked Questions
4458309 monitors the fuel rail pressure on the 4.2 Supercharged AJ-V8 and sends that signal to the engine control unit so fuel delivery and pressure regulation can be adjusted. A faulty sensor commonly causes fuel trim faults, poor running or diagnostic trouble codes; check the electrical connector and wiring when diagnosing these issues.
| Model | Variant |
|---|---|
| Land Rover Range Rover L322 (2002-2009) | 4.2 Supercharged AJ-V8 |
| Land Rover Range Rover Sport L320 | 4.2 Supercharged AJ-V8 |
If you are unsure of compatibility with your vehicle, you can also confirm by checking against your V.I.N. Simply reach out to us with your V.I.N and desired part number via our Contact page or use our Finding Part Numbers page.
Replace the sensor if it fails a diagnostic test or if persistent fuel pressure-related fault codes or drivability issues are present. It should also be inspected during fuel system repairs or when symptoms such as hard starting or rough running occur.
- C8 products are usually supplied by Britpart.
- L8 products are genuine Land Rover parts.
- Z8 products are normally supplied by Allmakes.
All products and accessories available on LRDirect.com come with a 2-year warranty.