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As a Range Rover owner, I’ve experienced my fair share of reliability issues with these cars. One crucial component that may need to be replaced is the spark plugs.
So, when should a Range Rover’s spark plugs be replaced? Let’s dive in and find out.
What models are affected?
- Land Rover Defender
- Range Rover Discovery
- Range Rover Evoque
- Range Rover Sport
- Range Rover Velar
- Range Rover Vogue
When to replace
On average, Range Rover spark plugs should be replaced every 30,000 miles.
However, it’s always best to consult your car’s manual and follow the manufacturer’s recommended maintenance schedule.
Signs and symptoms it’s time for a replacement
If you notice any of the following signs and symptoms, it’s probably time to replace your Range Rover’s spark plugs:
- Engine misfires
- Difficulty starting your car
- Reduced fuel economy
- Rough idling
- Loss of power
List of related OBD codes
There are several OBD (on-board diagnostic) codes that can mean it’s time to replace your car’s spark plugs. These include:
- P0300- Random/multiple cylinder(s) misfire detected
- P0301-P0312- Cylinder misfire detected in specific cylinders
- P0350-P0358- Ignition coil primary/secondary circuit malfunction
What can happen if not replaced
If you don’t replace your Range Rover’s spark plugs when necessary, it can cause various issues, including:
- Reduced fuel efficiency
- Engine misfires
- Difficulty starting your car
- Damaged catalytic converter
- Costlier repairs down the road
Can it be replaced without a mechanic?
Yes, you can replace your Range Rover’s spark plugs without the help of a mechanic.
For those who have experience with car maintenance, this process should be relatively easy to tackle.
Parts you’ll need to replace it
Here are the parts you’ll need to replace your Range Rover’s spark plugs:
- New spark plugs (make sure to match the manufacturer’s specs)
- Dielectric grease (for lubrication and corrosion prevention)
Tools you’ll need to replace it
You’ll need the following tools to replace your Range Rover’s spark plugs:
- Spark plug socket
- Ratchet wrench
- Extension
- Torque wrench (optional)
How to replace it
Follow these steps to replace your Range Rover’s spark plugs:
- Allow your car’s engine to cool down before accessing the spark plugs.
- Locate the spark plug wires.
- Remove the wires from the spark plugs.
- Remove the old spark plugs using a spark plug socket and ratchet wrench.
- Apply a small amount of dielectric grease to the inside of the spark plug boot to prevent corrosion.
- Screw in the new spark plugs by hand before tightening them down with a torque wrench.
- Reattach the spark plug wires.
FAQs
How do I know if my Range Rover’s spark plugs need to be replaced?
Look out for any signs of difficulty starting the car, engine misfires, rough idling, decreased fuel economy, and loss of power. If you notice any of these signs, it may be time to replace your spark plugs.
Should I replace the spark plugs myself or take my car to a mechanic?
If you have experience with car maintenance, replacing the spark plugs yourself is definitely doable. However, if you’re unsure or uncomfortable with the process, it’s best to take your car to a mechanic.
Can I use any type of spark plug for my Range Rover?
No, you should only use spark plugs that match your Range Rover’s manufacturer specs. Refer to the owner’s manual or consult with a trusted auto parts store if you’re unsure.
Last updated and verified on 4th September 2023
