Table 1 shows two common other fuel system related problems of the 2018 Audi A4. The number one most common problem is related to the other fuel system (five problems). The second most common problem is related to the other fuel system tank assembly (one problem).
| Problem Category | Number of Problems |
|---|---|
| Other Fuel System problems | |
| Other Fuel System Tank Assembly problems |
The vehicle displayed a low coolant warning and the coolant reservoir was low. Audi dealer service records dated on or about 02/14/2025 document the concern “client states low coolant warning was on, coolant reservoir is low, diagnose and advise. Read details...
Engine malfunction prevented the vehicle to engage and a significant lag. Correction of the failure has been attempted twice and a third attempt to correct malfunction is currently in progress with no movement as of yet. Gas tank has been drained and refilled and did not correct issue. Read details...