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Forum: General Fuel Topics

11-24-2006, 07:09 PM

Replies: 79

Managing EGR for MPG

Views: 12,907

Posted By DRW

I've upped the egr duty cycle on my car and...

I've upped the egr duty cycle on my car and haven't seen any difference so far. It still drives like a normal car so I haven't reached the point of using too much egr. I have a feeling this is one...

Forum: General Fuel Topics

10-30-2006, 08:48 PM

Replies: 79

Managing EGR for MPG

Views: 12,907

Posted By DRW

I suppose it would help to know where the intake...

I suppose it would help to know where the intake air temp sensor is located. On my car it's just after the air filter, while the EGR passage is much farther downstream after the throttle body. So...

Forum: General Fuel Topics

10-29-2006, 08:04 PM

Replies: 79

Managing EGR for MPG

Views: 12,907

Posted By DRW

Good point. I suppose I'll have to make sure...

Good point. I suppose I'll have to make sure it's higher than the inlet/outlet so it doesn't collect water or other liquid deposits of any sort.

It looks like I'd have to modify the EGR...

Forum: General Fuel Topics

10-24-2006, 05:23 PM

Replies: 79

Managing EGR for MPG

Views: 12,907

Posted By DRW

Yes, my car is OBD1 and it has a vacuum actuated...

Yes, my car is OBD1 and it has a vacuum actuated EGR valve. The vacuum is metered through a solenoid which is controlled by the ecu. On my car the EGR port dumps into the manifold through one port...

Forum: General Fuel Topics

10-23-2006, 08:26 PM

Replies: 79

Managing EGR for MPG

Views: 12,907

Posted By DRW

Interesting idea. On my car the EGR passage is...

Interesting idea. On my car the EGR passage is cast into the head and intake manifold. The EGR valve is bolted on, so I might be able to rig some sort of adapter in it's place that re-routes EGR...

Forum: General Fuel Topics

10-21-2006, 10:00 PM

Replies: 79

Managing EGR for MPG

Views: 12,907

Posted By DRW

Carlos, thanks for the visuals. It looks more...

Carlos, thanks for the visuals. It looks more cohesive that way.

I was tempted to simply add egr to a section that had none, and raise egr where duty cycle was less than 100%. I guess I'll just...

Forum: General Fuel Topics

10-20-2006, 09:15 PM

Replies: 79

Managing EGR for MPG

Views: 12,907

Posted By DRW

Managing EGR- What to Do?

Thanks to the inspiration I get from this site, I dug into the ECU disassembly for my car and found an interesting section. The problem is, I'm not sure what to do with it? Here's a copy/paste,...

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