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Forum: General Maintenance and Repair

02-25-2009, 06:05 AM

Replies: 18

How does a EGR really work, scientifically

Views: 2,923

Posted By dkjones96

As manifold vacuum falls the amount of air that...

As manifold vacuum falls the amount of air that is pulled in through the same throttle opening is decreased.

Forum: General Maintenance and Repair

02-24-2009, 01:23 PM

Replies: 18

How does a EGR really work, scientifically

Views: 2,923

Posted By dkjones96

Not saying it won't because of that, but in a...

Not saying it won't because of that, but in a mass air EFI system the EGR is introduced after the sensor meaning EGR is unmetered, the ECU doesn't really care about it since it's supposed to be inert...

Forum: General Maintenance and Repair

02-21-2009, 07:46 AM

Replies: 18

How does a EGR really work, scientifically

Views: 2,923

Posted By dkjones96

https://en.wikipedia.org/wiki/Exhaust_gas_recircula...

https://en.wikipedia.org/wiki/Exhaust_gas_recirculation

The three reasons given for EGR:

A properly operating EGR can theoretically increase the efficiency of gasoline engines via several...

Forum: General Maintenance and Repair

02-21-2009, 05:23 AM

Replies: 18

How does a EGR really work, scientifically

Views: 2,923

Posted By dkjones96

Forgot another reason for EGR: When the EGR...

Forgot another reason for EGR:

When the EGR system is active, intake manifold vacuum drops given the same rpm and throttle position. Less manifold vacuum = less pumping losses = better cruising...

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