What it means
It indicates a fuel-filter or fuel-supply issue, such as a clogged filter or water collected in a diesel filter. Amber commonly means the system needs checking soon, but the colour and exact behaviour vary by manufacturer.
What the symbol looks like: A fuel-filter or filter-canister shape, sometimes with a droplet or fuel lines; the exact symbol varies by manufacturer.
Why it comes on
- Clogged or restricted fuel filter
- Water collected in a diesel filter or separator
- Faulty fuel-filter sensor
- Fuel-supply pressure problem
- Damaged sensor wiring or connector
What to do
- Check the owner's manual to identify whether the indicator refers to restriction, water, or another filter condition.
- Note any hard starting, hesitation, loss of power, or engine stalling.
- Arrange a prompt inspection of the filter and fuel supply.
- If the engine stalls or cannot run reliably, stop safely and seek assistance.
Can I keep driving?
If the engine runs normally, a short cautious drive to a repair facility may be possible. Avoid long trips or heavy acceleration, and stop if performance deteriorates.
Symbols and colours differ between makes and models. Your owner’s manual shows the exact lights of your car.