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  #1  
Old 04-05-2011, 05:06 PM
erasmussen erasmussen is offline
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Default '98 4.0 EGR Removal Tips

I'm pulling an EGR code - can't remember the code specifically, but it was one of many. I would like to remove the EGR diaphragm and clean it up, but am having a difficult time even getting a tool in the area to get a good bite. Additionally I am worried about bending the EGR pipe that recirculates from the exhaust back to the EGR.

Got any tips? Is this worth my time?
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  #2  
Old 04-06-2011, 10:34 AM
modelageek modelageek is offline
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Default Re: '98 4.0 EGR Removal Tips

Quote:
Originally Posted by erasmussen View Post
I'm pulling an EGR code - can't remember the code specifically, but it was one of many. I would like to remove the EGR diaphragm and clean it up, but am having a difficult time even getting a tool in the area to get a good bite. Additionally I am worried about bending the EGR pipe that recirculates from the exhaust back to the EGR.

Got any tips? Is this worth my time?
clean the egr out with a can of throttle body cleaner........what is the exact code.....I bet it it the DPFE sensor
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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Old 04-06-2011, 10:54 AM
modelageek modelageek is offline
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Default Re: '98 4.0 EGR Removal Tips

read this...if the dpfe sensor is metal it is most likely the original and what is causing your issue....you should still check the hoses go to the sensor and probably replace them also...clean the throttle body and EGR sensor out with throttle body cleaner

http://www.explorerforum.com/forums/...d.php?t=164517
__________________
2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).

Last edited by modelageek; 04-06-2011 at 10:57 AM.
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Old 04-06-2011, 12:32 PM
erasmussen erasmussen is offline
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Default Re: '98 4.0 EGR Removal Tips

Thanks for the link. I'll track down th e printouts of the codes.

The dpfe makes sense. And I do have a lot of moisture coming out of the exhaust. Again, points to the dpfe problem you mentioned.

But originally, I had a melted plastic dpfe, and replaced it with a metal one found on a parts motor. Why melted?

Forgive my ignorance, but how do I clean the EGR without taking it off the tube attaching it to the exhaust?

Earlier this year I did pour a can of seafoam into the intake though the vacuum assist port while at a high idle as a supposed means of cleaning carbon deposits from the motor. Would this have cleaned the EGR also?
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  #5  
Old 04-06-2011, 12:48 PM
modelageek modelageek is offline
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Default Re: '98 4.0 EGR Removal Tips

Quote:
Originally Posted by erasmussen View Post
Thanks for the link. I'll track down th e printouts of the codes.

The dpfe makes sense. And I do have a lot of moisture coming out of the exhaust. Again, points to the dpfe problem you mentioned.

But originally, I had a melted plastic dpfe, and replaced it with a metal one found on a parts motor. Why melted?

Forgive my ignorance, but how do I clean the EGR without taking it off the tube attaching it to the exhaust?

Earlier this year I did pour a can of seafoam into the intake though the vacuum assist port while at a high idle as a supposed means of cleaning carbon deposits from the motor. Would this have cleaned the EGR also?
sorry if I was not clear....to really clean the egr you need to remove it......I got the impression that you were worried about trashing the metal pipe that runs down to the exhaust manifold(I don't think you can buy a new one).....so I was just suggesting that you spray thorttle cleaner into the top of the egr valve...that will help some and then replace the DPFE sensor because that is most likely our issue........by all means remove the egr and clean it if you can, however the valves themselves don't go bad very often.......and yes I believe seafoam would have helped clean that out..
__________________
2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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  #6  
Old 04-06-2011, 12:53 PM
erasmussen erasmussen is offline
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Default Re: '98 4.0 EGR Removal Tips

Right on. I'll give it a try. Right through the top vacuum port huh?

Any input on why the original dpfe would have melted? Understandably it was because it got hot. Maybe a sticky EGR that would not open?
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