EGR questions
I've noticed a lot of comments about the EGR plug/removal proceedure. I was wondering if the same procedure and effects apply to a gas car. Or would plugging it's egr cause harm? To the car that is. Not that I would ever consider doing so for real out of concern for the eco-freaks etc...
- Peter. |
EGR gases reduce peak flame temperature. Some say a gas engine will run hotter - how much?... I don't know. I've never burned up an engine without egr. I have a feeling the engine doesn't run a whole lot hotter. It's not a big worry here in Michigan. But in Arizona, it might be a little different.
Disconnecting an egr doesn't get me too excited from an ecological point of view. NOX emissions will increase. One good blast from a volcano puts out more NOX than our cars would put out in a year with no emission regulation. |
In the more modern turbodiesels the ECU or boost controller has a logical interlock such that when you disable the EGR system it cuts back on boost. Many newer gas cars will at least trip the check engine light and some might go into a limp mode if you disable the EGR system. As for the mechanics of it, it's purely an emissions control device. Disabling it will have no detrimental effect on the engine. That's kinda why they have to fabricate a negative effect to disabling it.
Sixto 95 S420 91 300SE 87 300SDL 83 300SD |
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