EGR Please Help !
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EGR Please Help !
Ok I have a 2000 Ford Ranger 3.0 V6.Check engene light is on.
I hooked my truck up to a scan tool and the code said EGR Insufent Flow.I first Changed the EGR Valve.Then cleared the trough the code scanner the light came back on after i drove it for a little bit,i scaned it again said the same thing. PLEASE help i need my truck to pass inspection witch expiered in Oct. 04. LOL
I hooked my truck up to a scan tool and the code said EGR Insufent Flow.I first Changed the EGR Valve.Then cleared the trough the code scanner the light came back on after i drove it for a little bit,i scaned it again said the same thing. PLEASE help i need my truck to pass inspection witch expiered in Oct. 04. LOL
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P0401 - EGR Flow Insufficient Detected
P0401 - EGR Flow Insufficient Detected
The code P0401 problem is in all liklihood a bad DPFE sensor. However, you should also check the hoses running to and from the DPFE and the EGR Tube and make sure they aren't clogged, pinched or burned, etc.
Look up the P0401 code here for more possible causes: 1995+ Ford OBD-II Diagnostic Trouble Codes (PDF)
The DPFE on my '98 4.0L looks like this plastic one, although they also can look like the metal one below it, too.
The DPFE is easy to replace, two screws, a couple of vacuum hoses and an electrical connector. You want to try and get the plastic one as the replacment unit, inasmuch as they last longer.
An overview of the Ford EGR System can be found here: Ford DPFE/EGR System Summary
The code P0401 problem is in all liklihood a bad DPFE sensor. However, you should also check the hoses running to and from the DPFE and the EGR Tube and make sure they aren't clogged, pinched or burned, etc.
Look up the P0401 code here for more possible causes: 1995+ Ford OBD-II Diagnostic Trouble Codes (PDF)
The DPFE on my '98 4.0L looks like this plastic one, although they also can look like the metal one below it, too.
The DPFE is easy to replace, two screws, a couple of vacuum hoses and an electrical connector. You want to try and get the plastic one as the replacment unit, inasmuch as they last longer.
An overview of the Ford EGR System can be found here: Ford DPFE/EGR System Summary
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