Hello Briskodians 

 

Unfortunately my first post here is a shameful and embarrassing one. Long story short, I somehow managed to put 20 litres of Diesel into my MY23 Kodiaq 132TSI sportline and drove off unaware for around 4km before I pulled over after it started misfiring a bit. 
 

I since had it towed back home (as SKODA workshop has been closed over Christmas) and had a misfuelling mobile specialist come out and drain the tank, flush the fuel lines, clean spark plugs and get her running again. 
 

After all the stress she is purring again and running smoothly with somewhat minimal costs. 
 

My question is whether I should investigate any potential damage further with SKODA? The mechanic mentioned changing the fuel filter with them. I’ve had a search online and can’t find a lot of info on the Kodiaq fuel filter. 
 

Am I right in thinking this might be in the fuel tank and not a serviceable part? Should I fess up to SKODA and get it replaced. I’m feeling better it’s up and running but still nervous there’s other damage (or potential future damage) to uncover

 

Hello Luke, welcome to the forum.

If the tank and fuel lines were flushed, I'd be inclined to leave the filter as it is - unless the diesel was badly contaminated too. Any remaining diesel fuel will be flushed out of the filter almost immediately.

Petrol through a diesel fuel pump might have been a little worse though, but I'd still think the possibility of damage to be pretty low.

I think I've seen references to the filter being integral with the pump. 

Thanks for the response. I’m tempted to leave as-is too. I feel if I tell Skoda about the misfuelling they might use it against me for any future warranty claims. 

Hi,

There's no proper fuel filter on TSI petrol engines. It's a kind of fine strainer integrated to the fuel pump, directly in the tank.

It has no own P/N. It's sold with the fuel pump. 

Considering your sayings, I wouldn't worry too much. Just keep an eye on the revometer and listen to the engine, just to check it's steady at idle these next days (weeks?). 

@LukeWarmWorm What was the cost of the misfuelling specialist callout? 

1 hour ago, Warrior193 said:

@LukeWarmWorm What was the cost of the misfuelling specialist callout? 

Around $600 AUD all up. 
 

Considering the initial tow truck cost me $250 to get the Kodiaq 1.5km back home, I’m pretty happy with that! (Could’ve just got the refuel without the tow had i known about this service prior)

If you've been driving it about since, I'd say you're ok as you are. You might have taken a bit of long term life off a few random parts, but it's not something I'd worry about, particularly if you're only planning on keeping it for a few years. 

 

The only thing I probably would do is keep the fuel level in the top half of the tank for a few thousand miles. There shouldn't be any real amount of diesel in there any more, but it can't hurt to dilute any that happens to be there as much as possible. 

25 minutes ago, StevesTruck said:

You might have taken a bit of long term life off a few random parts,

 

Very unlikely with a diesel for petrol misfueling.

On 27/12/2024 at 10:48, LukeWarmWorm said:

Hello Briskodians 

 

Unfortunately my first post here is a shameful and embarrassing one. Long story short, I somehow managed to put 20 litres of Diesel into my MY23 Kodiaq 132TSI sportline and drove off unaware for around 4km before I pulled over after it started misfiring a bit. 
 

I since had it towed back home (as SKODA workshop has been closed over Christmas) and had a misfuelling mobile specialist come out and drain the tank, flush the fuel lines, clean spark plugs and get her running again. 
 

After all the stress she is purring again and running smoothly with somewhat minimal costs. 
 

My question is whether I should investigate any potential damage further with SKODA? The mechanic mentioned changing the fuel filter with them. I’ve had a search online and can’t find a lot of info on the Kodiaq fuel filter. 
 

Am I right in thinking this might be in the fuel tank and not a serviceable part? Should I fess up to SKODA and get it replaced. I’m feeling better it’s up and running but still nervous there’s other damage (or potential future damage) to uncover

 

nah should be fine, diesel is basically oil, if anything you've lubed your cylinders, a longer journey might have done some damage. there wouldn't have been enough fired from the injectors to hydro-lock the engine, everything will have been thrown out the exhaust. a decent run up to temperature should clean it, as long as there are no faults from exhaust O2 sensors it should be fine. might smell different for a while.

 

how did you get diesel in a petrol tank? the nozzle on a petrol pump is narrower and so should be the filler neck it corresponds with on the car. when i worked at Merc 20years ago we used have lots of issues of people putting petrol in their diesel tank as the petrol nozzle fits the wider diesel filler neck, but never the other way around.