Audi P1204: Cylinder 4 Fuel Injection Circuit Electrical Malfunction
Is your scanner showing Audi P1204?
No worries. We'll show you what it means and how to deal with it.
Audi P1204: Cylinder 4 Fuel Injection Circuit Electrical Malfunction
OVERVIEWWhat Does The Audi P1204 Code Mean?
Key on or engine running, fuses in the instrument panel and the E-box in the engine compartment must be functioning, and the ground connections between the engine ad the chassis must be well connected; and the ECM detected an unexpected voltage condition on the injector circuit
What Are The Potential Causes Of The Audi P1204 Code?
- Injector control circuit is open
- Injector power circuit (B+) is open
- Injector control circuit is shorted to chassis ground
- Injector is damaged or has failed
- ECM is not connected or has failed
- Fuel pump relay has failed
- Fuel injectors may have malfunctioned
- Faulty engine speed sensor
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Audi P1204, DTCDECODE.
