Audi Repair Questions? Ask a Mechanic for Answers ASAP
Thank You for choosing Just Answer for your query. Yes, I can help you.
Based on your description, these symptoms could be consistent with a failed fuel pump relay. The fuel pump relay not only powers the fuel pump, but supplies power to the Injectors and engine control module via a separate terminal. This is by far the most common reason for a no start condition without storing any Diagnostic Trouble Codes (DTCs). Before replacing it check ALL the fuses in the fuse panel. Labeled "fuel injection", "engine", "timing", etc.
I suggest you try replacing the relay before attempting further diagnosis. The fuel pump relay is in position #6 on the central electric relay panel. If you remove the kick panel above the driver's feet, it is the six position relay panel with the many red wires attached to studs from the bottom, labeled 30, 15, X, etc.. The fuel pump relay should be the relay all the way to the right, immediately above the wires.
Should you have further questions on this matter, please do not hesitate to ask. I want you to be 100% satisfied with my answer.
Positive feedback, referrals and bonuses are always APPRECIATED! If you accept MY answer please click on the "ACCEPT" button by THIS answer.
Jake "The Audi Doctor"
Sorry I misplaced this contact.
Can you check fuses 72, 73 and 103 for power when cranking? The are located in the E-box at the passenger's footwell area under the carpet.
Electronic Box 1- ECM (Engine Control Module), J1922- TOM (Transmission Control Module), J2173- Fuse, MAF (Mass Air Flow) Sensor (Black), G7O4- Heated Oxygen Sensor (HO2S) Fuse (S73)5- Fuse, Injectors (Red), N30, N31, N32, N33, N83, N84 (S72)6- Fuse, Ignition Coil (Yellow), J192, N, N128, N158 (S103)7- Not used - open8- Barometric Pressure (BARO) Sensor, F969- Not used - open
Thank You! Sorry again for the delay!