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Alexandra [31]
3 years ago
12

How does the pcm determine that the exhaust flow through the egr system meets obd-ii regulations?

Social Studies
1 answer:
zheka24 [161]3 years ago
6 0

The PCM determines the exhaust flow through the EGR system meets OBD-ii regulations <u>through the use of DPFE, oxygen sensor, and MAP sensor.</u>

<u />

The EGR system and other emission control systems are periodically tested by the PCM. The PCM detects a problem and illuminates the Check Engine light on the instrument panel if the flow is greater or smaller than anticipated.

The EGR flow can be observed in a variety of methods. In the intake section of the EGR system, certain vehicles use an EGR temperature sensor. The hot exhaust gases increase the temperature on the intake side when the EGR valve opens.

The Delta Pressure Feedback EGR (DPFE) sensor was used in older Ford automobiles. It detects the EGR flow based on the differential in pressure on either side of the metered orifice in the exhaust component of the EGR system.

To learn more about EGR system here,

brainly.com/question/23028667

#SPJ4

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