42F4 — Fuel filter contaminated Faulty
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: BMW
| Meaning | Fuel filter contaminated Faulty. |
| Family | Manufacturer-native code |
Frequently asked questions
What does code 42F4 mean?
Fuel filter contaminated Faulty. Fuel filter contaminated Faulty.
Can I keep driving with code 42F4 active?
With caution: limp mode possible, have it checked soon
How do you fix code 42F4?
Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.
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Where to get it fixed
Related codes
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- 42 — DDE Error EEPROM or Coding
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- 4207 — Lambda Sensor Heating
- 4207 — Lambda Sensor Heating