How to Change the PCV Valve in a Ford Focus?

Answer The Positive Crankcase Ventilation (PCV) valve of your Ford Focus is designed to take any unburned gases from the crankcase and reroute them to the intake manifold to be reburned. Occasionally the ... Read More »

Top Q&A For: How to Change the PCV Valve in a Ford Focus

How to Change the PVC Valve in a Ford Focus?

The positive crankcase ventilation valve (PCV) valve in the Ford Focus removes gas trapped between the piston and cylinder wall. Before the invention of the PCV valve, vehicles vented the gas, alon... Read More »

How to Change the EGR Valve on a 2002 Ford Focus?

The Exhaust Gas Recirculation (EGR) system is used to reduce exhaust emissions in your Ford Focus. The EGR valve is an important component in the system. It recirculates the engine exhaust into the... Read More »

How to Fix a EGR Valve for a Ford Focus?

The exhaust gas recirculation valve is part of your Ford Focus emission control system. It allows emission gases to enter the intake manifold at specific driving conditions. It is common for the va... Read More »

How to Replace the PCV Valve on a Ford Focus?

The purpose of the positive crankcase ventilation valve - or PCV valve - is to recirculate exhaust gases that blow into the crankcase back into the engine for more complete burning. It also reduces... Read More »