[HEEEELP] Is my engine broken ?

Owner of a Leon Cupra 5F DSG 2014

I follow all the maintenance recommendations given by the manufacturer and the on-board computer.

The other day, on the freeway, I accelerated to 180km/h and then the car stopped accelerating.

I run a diag, it runs on 3 cylinders and indicates misfires in all cylinders.

After dropping it off at a Seat dealer, he read the compressions: 11, 11, 11, 5.
The garage told me that a spark plug had broken in cylinder 4 (I didn't see the car, which was repatriated 2 hours from my home).

They're now giving me a quote to remove the cylinder head (900€) just to get a diagnosis.
As my car runs on Ethanol E85 and is in Stage 1 soft (360hp), Seat doesn't want to intervene and recommends a complete engine replacement (17000€).

I don't know what to do about this and I'll need your advice. Should I take it to another garage to have the extent of the repairs assessed (I'll need to count about 600€ for transport)?

What would you do in my place? How much could it cost in the best and worst case scenarios?
Thank you
 

SuperV8

Active Member
May 30, 2019
1,639
758
Oh bugger!
I think i'd be looking for a good second hand engine.
Chances are the spark plug end has buggered the bore and/or piston.
I personally wouldn't be going through a main dealer with a 2014 car.
 
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