What Are Some Common European Emissions System Repairs Owners Encounter

Of late, European cars are coming equipped with highly advanced emissions systems that are playing a critical role in making these high-end cars emissions-compliant. However, the emission systems in European cars aren’t immune to issues, as owners often encounter a range of problems while driving.

Now, if you have yet to encounter any emission system problem in your vehicle, then it is important for you to know beforehand the common repairs owners encounter in their cars. In this article, we will discuss the common European emissions system repairs owners frequently face.

Common European Emissions System Repairs

EGR Valve Cleaning and Replacement

The Exhaust Gas Recirculation (EGR) valve is one of the most important emission system components that is responsible for reducing the emission of nitrogen oxide from your car. In fact, the EGR valve redirects a portion of the exhaust gases back into the engine combustion chamber for their complete combustion.

Now, the working of the EGR valve is such that it is constantly exposed to soot, carbon deposits, and heat, which make it vulnerable to problems. Most of the time, it is seen that as your car gains miles, the deposit of these contaminants makes it nearly impossible for the valve to open and close properly.

Often, a stuck EGR valve can lead to rough idling, sluggish acceleration, bad fuel economy, an increase in emissions, and a flashing check engine light in your vehicle. If the problem is not addressed quickly, then the carbon deposits tend to spread into the intake manifold and turbocharger system.

The EGR valve needs to be cleaned periodically so that the carbon deposits don’t take a toll on its functioning. However, if the EGR valve is heavily clogged or completely failed, then you have to replace it accordingly.

Oxygen Sensor (O2 DSensor) Replacement

Nowadays, European cars are coming equipped with a host of sensors that keep a tab on the functioning of the vital components in the vehicle. The oxygen sensors are one such sensors that help in monitoring the amount of oxygen present in the exhaust gases, and transfers this information to the engine control unit for optimum air-fuel mixture ratios.

Over the years, as your vehicle gains miles, the sensors face issues with their functioning due to contamination from fuel additives, oil residue, carbon buildup, and heat exposure. This is when you are also going to encounter an increase in fuel consumption by your car, rough idling, failed emission testing, drop in engine performance, and illuminated check engine light.

Now, the European cars are heavily reliant on the accuracy of the sensors for their smooth running and better performance. Even minor issues with the functioning of the sensors can play spoilsport with the optimal functioning of the emissions system. You must get in touch with a certified auto repair shop to get your O2 sensor replaced at the earliest.

Catalytic Converter Repair or Replacement

The catalytic converter is responsible for transforming the harmful exhaust gases into less toxic gases before they are released from your vehicle. In fact, the European cars come equipped with highly advanced catalytic converters for stricter emissions standards.

Often, the failure of the catalytic converter in high-end cars leads to engine misfires, oil contamination, coolant leaks, excessive fuel richness, and sensor failures that will make it difficult for you to drive your car. In fact, you might also come across A sulfur-like odor inside the cabin of your car, indicating the catalytic converter has failed completely.

Now, upon inspection by a professional mechanic, if the catalytic converter cannot be fixed, then it is replaced to restore the functioning of the emissions system in European cars.

EVAP System Leak Repairs

The Evaporative Emissions Control (EVAP) system is responsible for preventing the fuel vapors from escaping into the atmosphere. In fact, the EVAP system stores the fuel vapors in a charcoal canister, and later these fuel vapors are circulated back into the combustion chamber for proper combustion.

This is a very important emission control measure in European cars, and the presence of underlying leaks in the EVAP system can lead to rise in emissions from your vehicle and subsequent emission test failure. You must get your European car inspected by a certified mechanic immediately to address the EVAP system leak repairs.

Finally

The above-discussed factors are some of the common repairs associated with the emissions system of European cars that owners frequently undertake. Driving with underlying emission system issues is not at all advised, and you mustn’t delay in fixing the problems affecting your vehicle.

Masters European and Japanese Auto Repair shop is Mill Valley’s #1 European and Japanese auto repair facility in the entire area. We are one of the most sought after auto repair shops because of our performance, high safety standards.