Petrol in a Diesel Jeep Wrangler, and You've Driven It
Leaving the motor off is what counts after you have travelled on petrol in a diesel Jeep Wrangler, so stop once it's safe and turn the engine off. Wherever you've pulled up, we can still sort it out, and harm that lasts is very rare when it's caught early.
Petrol in Diesel comes to wherever your Jeep Wrangler has ended up, empties your tank then clears the petrol out of the fuel system. By the time we leave, it is running on clean diesel.
Petrol in a diesel Wrangler: the signs to watch for
To begin with, petrol in the tank often changes very little to how a diesel Wrangler drives, so the symptoms show up a few miles later on. The following are the ones most often spotted when your tank has AdBlue or petrol in it:
- the engine is short of power, particularly whenever it has to pull
- lumpy running, or an uneven idle
- there's more smoke than normal from the tailpipe
- the dash displays warning lights
- once it cuts out, it might not restart
If any of these began after you filled up, look at your receipt to see what was put in.
What driving does to wrong fuel in your Jeep Wrangler
Wrong fuel in your Jeep Wrangler sits in your tank until the motor pulls it out, and driving is what pulls it through your fuel filter, your high-pressure pump then the fuel injectors. As diesel runs through the fuel injectors and your fuel pump it protects them, yet petrol weakens it, and that is why the Wrangler takes the blend further into the system the more it is driven.
That is the reason to stop the moment you can and not complete the trip. Travelling a long way on tainted fuel is what can do harm, and if a car is stopped early, draining and cleaning are usually all it requires.
Another version of the Wrangler is no different from the Wrangler Unlimited 2.8 CRD in this, so which version is yours makes no difference.
Staying where you have stopped
Taking the Wrangler anywhere is not necessary. No recovery truck needs to be organised and there is no reason to restart it, as we come to it at the side of the road or outside your house.
With the hazard lights on, stand clear of the traffic somewhere safe when the road beside you is busy.
About how far you drove, which Wrangler it is and where you have pulled up are what to tell us when you call 0333 366 0103. If the badge gives the version, like the Wrangler 2.8 CRD, it helps as well.
A fuel drain on your Jeep Wrangler after a drive
A fuel drain on your Jeep Wrangler after it was driven goes one step further than one at the forecourt. Emptying the fuel tank comes first. After that we open up the fuel lines and rinse them through with your fuel filter, so there is no petrol remaining between your fuel tank and the engine. With clean diesel in and the fuel system primed, our technicians fire up the motor and make sure it runs smoothly.
After it's run: AdBlue in a diesel Jeep Wrangler
Look out for smoke, uneven running and warning lights if AdBlue in a diesel Jeep Wrangler has been driven on, because the car may then cut out. Sinking to the base of the tank, where your pump picks up fuel, AdBlue reaches the fuel line fast, and it doesn't burn or lubricate. As its water evaporates, the urea forms crystals in the lines and the fuel filter.
How AdBlue removal from a diesel Jeep Wrangler works
AdBlue removal from a diesel Jeep Wrangler that has been run means draining the fuel tank and then clearing the crystals out of the lines and your filter, and we'll replace the fuel filter if it needs it.
Nothing here involves switching off or taking out the AdBlue system. It covers liquid in the diesel tank, and any dedicated AdBlue tank your Wrangler may have is left alone.
Engines and Jeep Wrangler fuel tank capacity
The Jeep Wrangler has the same diesel tank, 66 litres, on each version in our data.
On every version in our list, the motor is 2.8 litres.
| Version | Fuel tank |
|---|---|
| Jeep Wrangler 2.8 CRD | 66 litres |
| Jeep Wrangler Unlimited 2.8 CRD | 66 litres |
What a fuel drain on the Jeep Wrangler costs after a drive
How far it went and where it has stopped are what mostly decide the price of a fuel drain on the Jeep Wrangler after a drive, and petrol or AdBlue makes a difference as well. We can tell you what the job will involve once you ring with those details.
Driven on petrol in a diesel Jeep Wrangler: your questions
Has the petrol ruined my Wrangler?
It's very unlikely. Lasting damage is uncommon when the car is stopped soon and the system is emptied and cleaned, and that is what we do wherever you've stopped.
Is it OK to drive it home first?
Our advice would be not to. Shifting it isn't necessary, since we can drain the Wrangler where it sits. Taking it on only carries contaminated fuel further through the system.
What do I do when it has stalled and will not restart?
Please leave the vehicle rather than trying again, as every try draws more of that blend through. Once we have emptied and rinsed it and then put clean diesel in, we prime the system and start the vehicle for you.
Do you need to know which Wrangler I have?
Knowing which of the 2 diesel versions of the Wrangler you have helps us when you ring, and it is on the badge on the boot.
Does my insurance cover wrong fuel in my Jeep Wrangler?
Some insurance policies include misfuelling cover, and so it's worth looking at yours once the vehicle is dealt with. We still come out either way.