Alfa Romeo Exhaust pressure control valve replacement
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Alfa Romeo Exhaust pressure control valve replacement
Does My Alfa Romeo Exhaust Pressure Control Valve Need to Be Replaced?
The exhaust pressure control valve is part of your Alfa Romeo's EGR system, The EGR or exhaust gas recirculation system is part of the emission control system which is designed to recirculate the exhaust gases back into the engine when the correct conditions are met, this reduces cylinder temperatures and in turn, improves emissions.
This is where the exhaust pressure control valve comes in, its primary purpose is to detect the changes in the pressure of the exhaust and control the flow through the EGR system. They are commonly found on vehicles equipped with turbo-diesel engines, however, they can also be found on the EGR system of petrol engines as well.
When the exhaust pressure control valve fails or has an issue, it can cause problems with the operation of the EGR system, and even affect the engine performance. Usually, a problem with the exhaust pressure control valve will produce a few symptoms that can alert the driver of a potential issue.
The most common signs that your exhaust pressure control valve is failing are:-
1. Check Engine Light comes on
Generally one of the first symptoms is the check engine light, if your PCM detects an issue in the EGR circuit with the signal or the position of the flap it will cause the light to come on.
2. Decrease in power
If for some reason the engine light doesn't alert you to the issue you may start to notice a decrease in power, a lack of acceleration or a decrease in fuel economy
3. Excessive smoke or soot from the Alfa Romeo's exhaust
With the valve stuck in the wrong position, it can cause an excessive amount of soot or smoke to come from the exhaust
Exhaust pressure valves play an important role in the operation of the EGR system and can affect engine performance and emissions when they have an issue. If you suspect that your Alfa Romeo's exhaust pressure valve may be having an issue, have the Alfa Romeo inspected by your local technician
In some cases it is possible to repair the exhaust pressure control valve, sometimes the valve gets stuck open/closed from the soot in the exhaust and it can just be a matter of cleaning the valve, in other cases the valve will need to be replaced.
Alfa Romeo Models
- Alfa Romeo 147
- Alfa Romeo 156
- Alfa Romeo 159
- Alfa Romeo 164
- Alfa Romeo 166
- Alfa Romeo 33
- Alfa Romeo 33 Sport Wagon
- Alfa Romeo 33 Sprint
- Alfa Romeo 4C
- Alfa Romeo 6
- Alfa Romeo 75
- Alfa Romeo 90
- Alfa Romeo Alfasud
- Alfa Romeo Alfasud Sprint
- Alfa Romeo Alfetta
- Alfa Romeo Brera
- Alfa Romeo Giulia
- Alfa Romeo Giulietta
- Alfa Romeo GT
- Alfa Romeo GTV
- Alfa Romeo GTV 6
- Alfa Romeo MiTo
- Alfa Romeo Spider
- Alfa Romeo Stelvio
- Alfa Romeo Tonale