Electrical faults: ignition coils and injectors
Often reportedRecurring faults in ignition coils and, less frequently, injectors or related sensors. Symptoms include intermittent stalling, warning light, rough idle, and power loss.
Electrical
When buying a used Audi Q7 2.0 TFSI 2017 (4M), the most frequently mentioned issue: Electrical faults: ignition coils and injectors. Also, valve deposits are commonly reported.
Engine varies by trim; verify the engine code on the listing.
Listed from most frequently reported, each with its source.
Recurring faults in ignition coils and, less frequently, injectors or related sensors. Symptoms include intermittent stalling, warning light, rough idle, and power loss.
Electrical
Direct-injection TFSI engines tend to develop carbon deposits on intake ports and valves; this can cause performance loss, idle fluctuation, power loss, or uneven fuel consumption.
Engine Internal
In TFSI engines, the crankcase ventilation system (PCV/ventilation) can clog or fail, increasing internal engine pressure and leading to oil leaks, abnormal oil consumption, and contamination of the intake circuit.
Engine Internal
Some 2.0T engines have reported timing chain or tensioner failures that can lead to severe engine damage.
Timing chain
Same trim, different year
We only publish claims we can verify. Cards come from Difetti fault records matched to this vehicle on brand, fuel, engine and generation.