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Forum: Diesel Discussion

06-16-2018, 10:08 AM

Replies: 21

2005-6 (and later) e320 CDIs -- Ck. & clean EGR valve

Views: 6,424

Posted By chronometers

EGR clean out update

After 28k miles since my first cleaning, my EGR valve began causing my '05 E320 CDI to go into limp mode again. No codes on dash. After removing the EGR valve, I noted it was again full of dry...

Forum: Diesel Discussion

10-25-2015, 03:18 PM

Replies: 21

2005-6 (and later) e320 CDIs -- Ck. & clean EGR valve

Views: 6,424

Posted By chronometers

MPG increase after job.....

Update: after completing the EGR valve cleaning and taking the vehicle on a 600 mile RT, I note my fuel mileage has increased from around 35 to 36.8. Previous 35 MPG reading was recorded during a...

Forum: Diesel Discussion

10-22-2015, 08:09 AM

Replies: 21

2005-6 (and later) e320 CDIs -- Ck. & clean EGR valve

Views: 6,424

Posted By chronometers

I can believe that. I have read that the EGR...

I can believe that. I have read that the EGR system on the CDIs assists in warming the engine to operating temp. I note my CDI has reduced MPG during the warm up process according to the on board...

Forum: Diesel Discussion

10-21-2015, 10:28 PM

Replies: 21

2005-6 (and later) e320 CDIs -- Ck. & clean EGR valve

Views: 6,424

Posted By chronometers

Agree, cleaning is easier and does not change design characteristics of engine.

Rest of intake that was visible was only lightly coated with dry hard carbon. EGR actuator seemed to accumulate more carbon perhaps because it was a terminal point?

Valve was made by Wahler of...

Forum: Diesel Discussion

10-21-2015, 03:25 PM

Replies: 21

2005-6 (and later) e320 CDIs -- Ck. & clean EGR valve

Views: 6,424

Posted By chronometers

Yes ;) However, I am not convinced that our...

Yes ;)

However, I am not convinced that our CDI engines were designed to be operated without EGR technology. Does anyone have some research or source on the topic?

On older engines, EGRs...

Forum: Diesel Discussion

10-21-2015, 03:00 PM

Replies: 21

2005-6 (and later) e320 CDIs -- Ck. & clean EGR valve

Views: 6,424

Posted By chronometers

2005-6 (and later) e320 CDIs -- Ck. & clean EGR valve

If you have a CDI with 100k miles or more, you might want to check your EGR valve before there is an issue while driving.

My vehicle started exhibiting episodes where the turbo would go offline...

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