EGR valve testing

Testing a vacuum-operated EGR valvelarger photo Ford vacuum-operated EGR valve. Click for the larger photo.mass air flow sensor New EGR valve with a new gasketarticle

Making Sense of Sensors: The Oxygen Sensor

The oxygen sensor, otherwise known as the O2 sensor, does what its name suggests – it measures the amount of oxygen in the exhaust. While this may sound like a fairly modest…

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Schedule Exhaust and Emission System Inspection

The most popular service booked by readers of this article is Exhaust and Emission System Inspection. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. YourMechanic’s technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. We currently cover over 2,000 cities and have 100k+ 5-star reviews… LEARN MORESEE PRICING & SCHEDULING

2. Failed emissions test

Another symptom of a potential problem with the EGR pressure sensor is a failed emissions test. If the EGR pressure sensor has any issues which affect the functionality of the EGR system it can cause the vehicle to fail an emissions test. This is particularly important in states that require the vehicle to pass an emissions test in order to register the vehicle.

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