![P0403 Engine Trouble Code - P0403 OBD-II Diagnostic Powertrain (P) Trouble Code | Engine-Trouble-Code.com P0403 Engine Trouble Code - P0403 OBD-II Diagnostic Powertrain (P) Trouble Code | Engine-Trouble-Code.com](http://p0403.engine-trouble-code.com/images/engine-code-sampe-1.jpg)
P0403 Engine Trouble Code - P0403 OBD-II Diagnostic Powertrain (P) Trouble Code | Engine-Trouble-Code.com
![P0403 Code: Exhaust Gas Recirculation “A” Control Circuit Malfunction - In The Garage with CarParts.com P0403 Code: Exhaust Gas Recirculation “A” Control Circuit Malfunction - In The Garage with CarParts.com](https://www.carparts.com/blog/wp-content/uploads/2020/09/egr-valve-car-engine.jpeg)
P0403 Code: Exhaust Gas Recirculation “A” Control Circuit Malfunction - In The Garage with CarParts.com
![Stuttgart, Germany. 06th May, 2021. The engine of a Volkswagen Caddy Diesel (Euro 5 standard with first registration in May 2015) of the dog squad of the Stuttgart police. Credit: Marijan Murat/dpa/Alamy Stuttgart, Germany. 06th May, 2021. The engine of a Volkswagen Caddy Diesel (Euro 5 standard with first registration in May 2015) of the dog squad of the Stuttgart police. Credit: Marijan Murat/dpa/Alamy](https://c8.alamy.com/zooms/6/0d789daf967d4248902fb22effb9a168/2g0rnca.jpg)
Stuttgart, Germany. 06th May, 2021. The engine of a Volkswagen Caddy Diesel (Euro 5 standard with first registration in May 2015) of the dog squad of the Stuttgart police. Credit: Marijan Murat/dpa/Alamy
![hi all. mk6 golf 1.6 tdi. which one is egr valve? top or bottom? I have error p0403 I need tk remove and clean it. : r/MechanicAdvice hi all. mk6 golf 1.6 tdi. which one is egr valve? top or bottom? I have error p0403 I need tk remove and clean it. : r/MechanicAdvice](https://preview.redd.it/hi-all-mk6-golf-1-6-tdi-which-one-is-egr-valve-top-or-v0-3fgmjgp3k2p91.jpg?auto=webp&s=d0a168b2bf3278c35bd30cb18da280d1af03ae1b)
hi all. mk6 golf 1.6 tdi. which one is egr valve? top or bottom? I have error p0403 I need tk remove and clean it. : r/MechanicAdvice
![P0403 Code: Exhaust Gas Recirculation “A” Control Circuit Malfunction - In The Garage with CarParts.com P0403 Code: Exhaust Gas Recirculation “A” Control Circuit Malfunction - In The Garage with CarParts.com](https://www.carparts.com/blog/wp-content/webp-express/webp-images/doc-root/wp-content/uploads/2021/08/Exhaust-gas-recirculation-EGR-1024x682.jpg.webp)