Oil Pressure Warning Light: Stop or Keep Driving?
Written by Petro Olekhnovych, mobile mechanic in Aylesham, Kent
If the red oil pressure warning light comes on while you are driving, stop. Pull over as soon as it is safe and switch the engine off. The RAC warns that even a few minutes of driving with low oil pressure can cause severe engine damage.
The light looks like an old-style oil can with a drip coming out of the spout. Below we explain what it means, how to check your oil safely, and what to do if topping up does not fix it.
What the oil pressure warning light means
Your engine relies on oil being pumped under pressure to every moving part. When that pressure drops too low, those parts lose their protection.
The AA describes the light as showing “when there’s no oil pressure in the engine”. The RAC adds that the oil light can also come on if the oil temperature gets too high or the oil level is too low.
Colour matters. According to the RAC:
- Red usually means low oil pressure. Stop driving immediately.
- Amber or yellow usually points to a low oil level, a sensor fault or an oil condition warning. It is less urgent, but still needs checking.
A flashing oil light often means something more urgent, such as critically low pressure or a failing pump. Treat it like a red light and stop.
It is normal for warning lights to come on for a moment when you switch on the ignition and then go out. The problem is a light that stays on, or comes on while you drive.
Is it safe to keep driving?
No. Both the AA and the RAC say you should not drive with the oil pressure light on.
Without enough oil pressure, the engine’s moving parts are not protected. The RAC warns that carrying on “could lead to costly or irreparable engine failure”. Stopping straight away gives you the best chance of a cheap fix.
Warning light on? We come to you.
Send a photo of the dashboard and your reg. We will tell you if it looks safe to drive and what it needs.
WhatsApp for a free quote Call 07563 350335
Labour £30 to £50 per hour depending on the job. Send your reg number and we will reply with a price before any work starts.
What to do when the light comes on
- Pull over safely and switch off the engine.
- Wait. The RAC recommends letting the engine cool for at least 10 minutes before checking the dipstick.
- Check the oil level on the dipstick, with the car on level ground. Your handbook shows where the dipstick is and the right grade of oil.
- Top up if it is low, using the oil your handbook specifies. Do not overfill.
- If the light stays on after topping up, or the level was fine to begin with, do not drive on. The AA and RAC both advise calling your breakdown provider or a mechanic.
Common causes of low oil pressure
The RAC lists these as the usual causes:
- Low oil level, from a leak or an engine that burns oil between services
- A faulty oil pump, so oil does not circulate properly
- A faulty oil pressure sensor or switch, which can give a false warning
- Blocked oil pipes or a blocked filter
- The wrong grade of oil
- Internal engine wear
If the light appears just after an oil change, the RAC suggests checking for the wrong level or grade, a faulty or badly fitted filter, a damaged sensor, a leak or a blockage.
A faulty sensor is the best-case result, but you cannot tell that from the driver’s seat. Until the pressure has been properly checked, assume the warning is real.
How to avoid it happening
Most low oil pressure problems start with low or old oil. A few simple habits help:
- Check your oil level regularly, as your handbook recommends, and before long drives.
- Stick to the service schedule in your handbook or service book. Oil change intervals vary a lot between cars.
- Use the exact oil grade your manufacturer specifies.
- Look under the car for fresh drips where you usually park.
For more on intervals, see our guide on how often you should change your engine oil. If you want to know what other symbols mean, read our dashboard warning lights guide.
How we can help
We are a mobile mechanic based in Aylesham, so we come to your home or workplace. We cover Aylesham, Canterbury, Dover, Deal, Sandwich, Folkestone and the villages in between. See the full list on our areas we cover page.
If your oil light has come on, we can come out and find the cause. That might be a fault-finding check, a sensor test or an oil and filter change with the correct grade. Where it needs more than that, we will tell you exactly what it needs before any work starts.
Labour is £30-£50 per hour depending on the job and its difficulty, and parts are extra. We agree the price with you on WhatsApp before we start.
Frequently asked questions
Can I drive to a garage with the oil pressure light on?
It is not recommended. The AA and RAC both advise stopping. If the light stays on after topping up, get help rather than driving.
Is the oil pressure light the same as the oil level light?
Not always. On many cars the red oil can means low pressure, while an amber light usually means low level or a sensor issue. Check your handbook.
Will topping up the oil fix it?
It can, if low oil level was the cause. If the light stays on after topping up, there is another fault and the engine should not be run.
Could it just be a faulty sensor?
Yes, a faulty sensor or switch can trigger a false warning. But you should treat the light as real until someone has checked it.
Need help? Send a WhatsApp to 07563 350335 with your car’s make and model and we’ll come to you.
Warning light on? We come to you.
Message us on WhatsApp with your reg and postcode for a price before any work starts.
WhatsApp for a free quote Call 07563 350335
Labour £30 to £50 per hour depending on the job. Send your reg number and we will reply with a price before any work starts.
