: Sometimes appears alongside DF0043 (configuration error).

If you have access to a similar Renault, swap the boost sensor temporarily. If DF083 disappears, you have found the culprit.

To the average mechanic or DIY enthusiast, this description can be confusing. If you are looking for a sensor labeled "CO2 Sensor" under the hood, you will not find it. In the context of Renault’s onboard diagnostics, this code is almost exclusively related to the , often located in the exhaust gas recirculation (EGR) passage or the exhaust downpipe.

The rubber reference hose linking the boost sensor to the intake manifold had a 2 cm split, hidden underneath the heat sleeve. When the mechanic removed the hose, it fell apart in his hands.

If your vehicle's symptoms don't match an exhaust sensor issue, DF083 may refer to: