Cupra Formentor V2 - Bad Vibrations
Discussion
A young lady I know drives a very smart 2023 Cupra Formentor V2 TSI S-A. It’s a 1.5L patrol auto and still under warranty. Last year it developed an engine vibration that the main dealer has been unable to rectify.
During its’ most recent three week dealer visit (no loan car available!) they have replaced the engine mounts which achieved nothing.
They have now concluded that it must have ingested water and have internal engine damage. This isn’t covered by the warranty so she should get shot of it, suggesting a well known purchaser of pre-owned vehicles. She is adamant that she’s not been wading.
I’m not familiar with this type or inspected the car yet myself, so hoping for some pointers from the greater PIstonheads collective:
How low is the air intake?
Is it possible to hoover up puddles without realising?
Is this a known problem with this engine?
What other VAG group vehicles share the same engine?
Has anyone else had a similar experience?
Thanks in advance.
During its’ most recent three week dealer visit (no loan car available!) they have replaced the engine mounts which achieved nothing.
They have now concluded that it must have ingested water and have internal engine damage. This isn’t covered by the warranty so she should get shot of it, suggesting a well known purchaser of pre-owned vehicles. She is adamant that she’s not been wading.
I’m not familiar with this type or inspected the car yet myself, so hoping for some pointers from the greater PIstonheads collective:
How low is the air intake?
Is it possible to hoover up puddles without realising?
Is this a known problem with this engine?
What other VAG group vehicles share the same engine?
Has anyone else had a similar experience?
Thanks in advance.
AI says:
Engine vibrations in the Cupra Formentor V2 (particularly the 1.5 TSI and 2.0 TSI models) while driving are a reported issue, often described as a "character" of the car or a symptom of specific operating modes, rather than always indicating a mechanical failure.
Here is a breakdown of the common causes and factors contributing to these vibrations:
1. 2-Cylinder Mode (Active Cylinder Management - ACT)
The Issue: The 1.5 TSI engine frequently switches to 2-cylinder mode to save fuel. This transition, or operation in this mode, often produces a noticeable shudder, trembling, or low-frequency vibration felt in the cabin, steering wheel, or seats.
Why: Operating on two cylinders instead of four changes the engine's harmonic balance, leading to vibrations that the insulation may not fully absorb.
Symptoms: Vibration often occurs during light acceleration or cruising, disappearing when more power is requested.
Is the solution just to ‘give it some wellie’?
Engine vibrations in the Cupra Formentor V2 (particularly the 1.5 TSI and 2.0 TSI models) while driving are a reported issue, often described as a "character" of the car or a symptom of specific operating modes, rather than always indicating a mechanical failure.
Here is a breakdown of the common causes and factors contributing to these vibrations:
1. 2-Cylinder Mode (Active Cylinder Management - ACT)
The Issue: The 1.5 TSI engine frequently switches to 2-cylinder mode to save fuel. This transition, or operation in this mode, often produces a noticeable shudder, trembling, or low-frequency vibration felt in the cabin, steering wheel, or seats.
Why: Operating on two cylinders instead of four changes the engine's harmonic balance, leading to vibrations that the insulation may not fully absorb.
Symptoms: Vibration often occurs during light acceleration or cruising, disappearing when more power is requested.
Is the solution just to ‘give it some wellie’?
Wife's 2022 Karoq has same drive train and there's no vibration issue with that. I keep an eye on various VW Group forums and I can't recall seeing it mentioned. Juddering on take off from the DQ200 DSG comes up quite a bit, but some owners think it's related to poor front tyre grip, and the box being a bit "sharp" as it engages its clutches.
Early 1.5's (2018 ish) had driveability issue, but mainly manuals, the DSG tended to cover it up.
I'd question why the garage thought it was engine mounts and are only now blaming, without any evidence, water ingress. On the Karoq the air intake is at the top of the grille, so pretty high up.
Can they read the cylinder compressions electronically?
Early 1.5's (2018 ish) had driveability issue, but mainly manuals, the DSG tended to cover it up.
I'd question why the garage thought it was engine mounts and are only now blaming, without any evidence, water ingress. On the Karoq the air intake is at the top of the grille, so pretty high up.
Can they read the cylinder compressions electronically?
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