Audi A5 · 2007+
Audi A5 EGR Fault Solution
When the EGR valve on Audi A5 (2007+) diesel engines clogs with carbon or fails, pulling power drops, idle becomes rough, the exhaust smokes and a warning lamp may come on. Fault memory is read, the ECU identified and a matching software solution applied after an original backup.
Suitable engines for the Audi A5
Year / chassis: MK3 - 2019+
| Engine | Power | EGR fault solution |
|---|---|---|
| Audi A5 35 TDI (2.0D) 150hp | 150 → 185 bhp | ✓ |
| Audi A5 35 TDI (2.0D) 163hp | 163 → 210 bhp | ✓ |
| Audi A5 40 TDI (2.0D) 190hp | 190 → 220 bhp | ✓ |
| Audi A5 45 TDI (3.0D) 231hp | 231 → 350 bhp | ✓ |
| Audi A5 50 TDI (3.0D) 286hp | 286 → 350 bhp | ✓ |
Year / chassis: Mk3 - 2016 - 2018
| Engine | Power | EGR fault solution |
|---|---|---|
| Audi A5 2.0 TDI 150hp | 150 → 190 bhp | ✓ |
| Audi A5 2.0 TDI 190hp | 190 → 225 bhp | ✓ |
| Audi A5 3.0 TDI 218hp | 218 → 290 bhp | ✓ |
| Audi A5 3.0 TDI 272hp | 272 → 350 bhp | ✓ |
| Audi A5 3.0 TDI 286hp | 286 → 350 bhp | ✓ |
Year / chassis: MK2 - 2012 - 2016
| Engine | Power | EGR fault solution |
|---|---|---|
| Audi A5 2.0 TDI CR 136hp | 136 → 190 bhp | ✓ |
| Audi A5 2.0 TDI CR 143hp | 143 → 190 bhp | ✓ |
| Audi A5 2.0 TDI CR 150hp | 150 → 190 bhp | ✓ |
| Audi A5 2.0 TDI CR 163hp | 163 → 205 bhp | ✓ |
| Audi A5 2.0 TDI CR 177hp | 177 → 205 bhp | ✓ |
| Audi A5 2.0 TDI CR 190hp | 190 → 215 bhp | ✓ |
| Audi A5 3.0 TDI 204hp | 204 → 280 bhp | ✓ |
| Audi A5 3.0 TDI 245hp | 245 → 300 bhp | ✓ |
Year / chassis: MK1 - 2007 - 2011
| Engine | Power | EGR fault solution |
|---|---|---|
| Audi A5 2.0 TDI CR 136hp | 136 → 185 bhp | ✓ |
| Audi A5 2.0 TDI CR 143hp | 143 → 185 bhp | ✓ |
| Audi A5 2.0 TDI CR 163hp | 163 → 205 bhp | ✓ |
| Audi A5 2.0 TDI CR 170hp | 170 → 205 bhp | ✓ |
| Audi A5 2.0 TDI CR 177hp | 177 → 225 bhp | ✓ |
| Audi A5 2.7 TDI 163hp | 163 → 235 bhp | ✓ |
| Audi A5 2.7 TDI 190hp | 190 → 235 bhp | ✓ |
| Audi A5 3.0 TDI 204hp | 204 → 270 bhp | ✓ |
| Audi A5 3.0 TDI 211hp | 211 → 290 bhp | ✓ |
| Audi A5 3.0 TDI 240hp | 240 → 300 bhp | ✓ |
Year / chassis: F5 LCI - 2020+
| Engine | Power | EGR fault solution |
|---|---|---|
| Audi A5 40 TDI 204hp | 204 → 255 bhp | ✓ |
When is it needed?
- EGR valve fault and soot build-up
- Rough idle, smoke, power loss
- Carbon build-up in the intake manifold
Typical duration: 1–2 hours
Frequently asked questions
Can an EGR fault on the Audi A5 be solved with software?
The valve and connections are checked first. Where suitable for the Audi A5, the EGR software solution is applied to the ECU with the original software backed up; on most cars the work is done the same day.
Is an EGR delete legal?
It is an intervention on emission hardware and is offered only for uses permitted by law (off-road, motorsport, export, fault diagnosis). Inspection and road compliance remain the owner's responsibility.
Is replacing the valve the better option?
Often yes, especially if the car will be used on the road. If the valve has failed, fitting a new one is the durable and compliant solution; we measure the condition and explain the options plainly.
Does carbon build-up stop?
Once exhaust gas no longer returns to the intake, soot accumulation drops noticeably; existing deposits still need mechanical cleaning.
Will the warning light go out?
EGR-related codes are switched off in a controlled way; if another fault exists the light stays on.
Other solutions for the Audi A5
Audi A5 AdBlue fault solution
Audi A5 DPF fault solution
Audi A5 Pop & Bang tuning
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⚠ Software work on emission systems is offered only for uses permitted by applicable law (motorsport, off-road use, export, fault diagnosis, etc.). Road use and inspection compliance of the vehicle remain the owner's responsibility.