Abnormal vibrations or unstable idle on Cupra: causes by model
In 3 models from Cupra there are 3 documented faults that cause this symptom (vibrations). The most important: cold jerking at low speed ("kangaroo effect") on the 1.5 TSI evo, PCV valve (crankcase ventilation) failure and carbon build-up on the intake valves.
Documented faults, from most to least important
Severity × frequency. Below each one, the Cupra models it appears in.
In Formentor
In Ateca, Formentor and León
In Formentor and León
By Cupra model
Open yours to see only the faults that affect it, by engine and by year.
Engines and gearboxes involved
Frequently asked questions
Vibrations in a Cupra: what could it be?
In 3 models from Cupra there are 3 documented faults that cause this symptom (vibrations). The most important: cold jerking at low speed ("kangaroo effect") on the 1.5 TSI evo, PCV valve (crankcase ventilation) failure and carbon build-up on the intake valves. Each fault has its own page with the affected years and versions, the cause and how to check for it.
Which Cupra models have the most faults with this symptom?
Cupra Formentor (3 faults), Cupra León (2 faults) and Cupra Ateca (1 fault).
Which Cupra engines cause it?
1.0 TSI / 1.5 TSI (2 faults) and 2.0 TSI / TFSI (1 fault).