---
title: Petrol in a Diesel Car in Crews Hole? — Fuel Drain
canonical: https://www.petrolinadieselcar.co.uk/petrol-in-diesel/crews-hole-bristol/
location: Crews Hole
county: Bristol
latitude: 51.453770
longitude: -2.536080
service: Petrol in a Diesel Car
updated: 2026-10-05
---

# Put Petrol in a Diesel Car in Crews Hole? Don't Start It

If you have not started your engine yet, don't. A fuel drain and nothing more is nearly always what a car needs while the fuel is still inside that tank and the motor has not been started, which is why it is the coming few minutes that count, not how much got in. Petrol in Diesel goes to your car wherever it has ended up in Crews Hole or the remainder of Bristol, on the forecourt, by the roadside or on a driveway, and drains and flushes it there.

Contact us before anything else starts, and you'll see what happens next.

## What to try now about petrol in a diesel

- Do not crank it — and do not rely on it if it does start. Here is the bit most people have wrong about petrol in a diesel especially. A petrol engine filled with diesel typically just can't run, so the motorist stops and the damage stops with them. A diesel given petrol normally starts, idles and drives away without complaint for a couple of miles. It isn't okay. It is wearing your fuel system while you drive.

- Flicking the car's ignition on usually primes that system, and priming is what draws petrol out of your tank and into the pump and injectors. Those are the components diesel keeps greased on its way through, before it ignites. Petrol handles the burning and none of the oiling. Leave the ignition be.

- That advice supposes a diesel fuel system accepts petrol by percentage. It doesn't. Tip diesel on top and nothing at all is cleared; what you have is a larger tank of the same blend. And no, the octane makes no difference — super unleaded is just petrol.

- A motor that has not moved is the easiest one to handle, and so remain where you are if you safely can. Parked on the verge on Quayside Lane? Hazards on, then keep the car there. A difficult place works for us better than a started diesel.

- Our van showing up instead of circling depends on two things: a postcode beginning BS5 8, and whatever is closest to you with a sign on it. Keep both prepared before you dial.

- Three details determine the entire call-out: the liquid you tipped in, the approximate measure of it, and if it has been turning since. Our line is 0333 366 0103.

## Can petrol be taken out of your diesel on a forecourt?

The work kicks off at a pump, generally. Frequently the job finishes at one as well.

Still at Saintsbury's? Then that is usually where it takes place. Station forecourts are normal for us, with the consent of the station.

Nowhere except a forecourt can this be caught with your motor still unrun.

The few seconds between reading the receipt and reaching for the keys settle how much requires rinsing. Anywhere other than the forecourt — a car park, a driveway, a lay-by — the car was fired up and driven to get there, so fuel was pulled from the tank, through your filter and into your high-pressure pump. That means your lines and the filter need flushing as well as that tank. It's not a catastrophe, and we can still put it right where the car sits.

Push it out of the way if the attendants offer, and they generally will. The next driver gets by the pump, and that is worth doing.

Moving the car four lengths doesn't merit cranking it.

Straightforward, these ones, and the reason is the mileage: a mile at light throttle pulls hardly any diesel. Petrol into a diesel Peugeot 308 somewhere in Crews Hole, a boot full of shopping, and you sat outside Co-op Food — ring us. Leaving the spot isn't worth another start. That tank gets emptied where it stands, your fuel lines cleaned, fresh diesel in, and you head home.

## Crews Hole plus the areas next to it

Those same rounds carry us to St Annes Park, Conham, Kingswood, Whiteway and Jeffries Hill besides Crews Hole, which is a residential suburb.

We do come. The names above are only the immediate neighbours, and a page exists for most locations in Bristol, and so an absence from the list isn't an absence from our coverage.

Close to the boundary, or anywhere your phone struggles with? Phone and check rather than guessing.

The patch the page spans appears on the map.

Your vehicle does not need to travel to us. We work over all of that — kerbside, forecourts, driveways, car parks.

## Stuck on the kerb somewhere around Crews Hole?

Not everybody finds a decent place to pull over.

If you noticed after setting off and finished up by the verge on Troopers Hill Road, or at a lay-by somewhere with the hazard lights flashing, that is a normal call for us instead of an odd one.

Whether you wait beside the motor or step clear of it turns on if staying in it is safe.

It will usually oblige. A diesel running on petrol limps along perfectly willingly, and that's the catch: restart the vehicle to get to somewhere handier and the mix goes further into your fuel system with every mile travelled.

Carrying on causes the vehicle far more harm than our van driving out to an inconvenient location, and that is no problem for us.

Here is what a job in the car park by The Bull Inn generally looks like. Our engineers arrive at the vehicle, ask what got in, roughly how much, and whether your engine has run since — these three answers determine much of the work. Then the polluted blend comes out of the tank, your lines get cleaned, and the filter comes off where your Mercedes E-Class has a replaceable one. Fresh diesel goes in and your system is bled. Then our engineers start the car, confirm it runs smoothly, and you set off.

## A few miles on petrol in a diesel: what next?

This is where your M32 comes in, under 3 miles out of Crews Hole.

A loss of power, an uneven idle, some smoke: those are the symptoms when they appear, rather than a neat stop — and a wrongly fuelled diesel will frequently get you onto it and some distance along before anything feels wrong at all.

Do not restart it to move it. Pull off at the next sensible exit and turn off.

It alters what our technicians bring, and so mention it when you call: on a longer drive — anything approaching the under 3 miles to the closest city — take it the mixture has been through your filter, your pump and your injectors.

Nothing gets worse whilst it stands. Whatever the diesel Audi A3 did on the way to Troopers Hill Local Nature Reserve, it is doing none of it now: the pump isn't turning. So take your time — but don't drive the car home to buy yourself any.

## Where is Crews Hole?

Crews Hole is a suburban area in Bristol, situated on the riverside with views of the surrounding countryside. Crews Hole has a mix of housing types, but is predominantly characterized by terraced homes. Crews Hole is located close to several local parks, including St Annes Park, and is near the communities of Conham and Kingswood. Crews Hole is approximately 2.8 miles from Bristol city centre, making it a convenient residential area.

## What follows when we get to you in Crews Hole

- Our engineers find out what went in, how much, and whether the engine has run. The responses alter the work, which is why our engineers ask before quoting.

- The contaminated fuel comes from the tank.

- Fuel lines are cleaned through and your filter cleared, leaving nothing in the fuel system that caused any of this.

- Priming follows, once new diesel is in.

- Our engineers start it and make sure it runs correctly on clean diesel.

That leaves the car ready to set off.

Our technicians do all of it wherever the vehicle has come to a stop, which means it never has to go to a workshop, and if it has been caught soon, it is very uncommon for there to be permanent damage.

Leave the BMW 5 Series near The Scout Association then call us. We are firm about not driving on as a worn-out pump loses, and what it sheds passes downstream with the fuel to your injectors further along.

## A separate matter: AdBlue in a diesel tank around Crews Hole

If what got in was AdBlue instead of petrol, the opening instruction is unchanged — don't fire it up — yet the issue is not.

The protection a fuel system relies on gets taken away by petrol, which thins your diesel.

Corrosion and residue are what a diesel tank gets instead, since AdBlue is urea dissolved in water.

Usually the more serious of the two, AdBlue — and the detail sits on its own Crews Hole page. Both are ours to deal with.

## Crews Hole costs for a petrol-in-diesel fuel drain

One figure would not be fair here, because this is not one job. These are the things that change it:

- Whether your motor has been run or driven. This is the big one.

- The tank's capacity, set against how much of the wrong fuel went into it.

- AdBlue or petrol, whichever got in.

- Access: the car's position, and if working on it there's safe for a van.

The vehicle, the quantity, whether it has run — give us those and the answer comes back firm instead of as a range.

Vehicle at home, going nowhere, nothing pressing about it —  is good for that.

By now your tank is the least of that. Run a diesel and the mixture goes into the fuel filter, into your lines, into the pump, into its rail — and none of that leaves with the tank contents. A diesel Ford Fiesta that got near Sumerhill Methodist Church needs its system cleared. Emptying isn't the same thing.

## Questions our technicians get about petrol in diesel in Crews Hole

## I'm on a forecourt in Crews Hole. Can you drain the car here?

A good portion of this work takes place there, so yes.

Routinely, provided the site consents: Texaco, plus every other forecourt nearby. Say on the phone where exactly you have stopped. Whether our engineers can work in that place is something our engineers answer straight away.

## How much petrol in a diesel is too much?

Proportion decides it rather than litres — and more than either, whether the engine has run.

Five litres in a nearly empty tank is a separate case from five in a full one — but either way, the thing that determines how much work is required is whether that mixture has been pulled through your fuel system.

## Already driven it with petrol in the diesel? Now what?

Pull in somewhere sensible, switch off, and leave the vehicle off.

Driving is what moves the problem from your tank into your pump and injectors — but it's fixable far more regularly than drivers assume, and the single most helpful thing you can do now is not restart the vehicle.

## Will a fuel drain void my warranty?

A drain and flush carried out properly is not a change and does not cancel a manufacturer's warranty.

Another reason to leave it switched off: running a diesel on petrol is the thing more likely to cause a dispute with one.

## Could I put some two-stroke in and just drive?

Two-stroke oil solves a different issue, and an old one at that. Nothing it does puts back what petrol weakened. No.

That tank still has petrol in it after that, and the pump still has to live with it.

## Does petrol in a diesel have to go to a main dealer?

Wherever your car is, our engineers drain and flush it there, so a trip to the main dealer does not come into it.

## Still with the car?

Your engine remains off.

Already driven it? Then pull in somewhere sensible, switch off, and let it stay that way.

A parked, cold motor is the best position to be in, and this is recoverable from a lot more regularly than people fear.

Draining wrongly fuelled motors, Crews Hole and the rest of Bristol, wherever they are. Roadside. Forecourt. Home.
