What does this error code mean?
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Elder User
Joined: Oct 2002
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From: Lincoln NE
What does this error code mean?
It's a 1996 f150 with a 302, 91K.
The check engine light keeps coming on after resetting the battery so I stopped by Advanced and their Actron obd2 code reader is reading this:
PO402
EGR Flow Excessive.
Any ideas?
The check engine light keeps coming on after resetting the battery so I stopped by Advanced and their Actron obd2 code reader is reading this:
PO402
EGR Flow Excessive.
Any ideas?
Thread Starter
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Elder User
Joined: Oct 2002
Posts: 513
Likes: 0
From: Lincoln NE
Well after doing a search on this and investigating somemore on my pickup, I found that the EVR solenoid is buzzing after I shut the off my pickup. By pulling the vacuum lines off of the EVR it quits, releasing all the vacuum.
If I start the pickup again and shut it off (with everything connected normal) and pull the top cap off of the EVR and plug the little spout on the top of the EVR the buzzing noise stops until I remove my finger.
The buzzing usually fades away after twenty seconds (I'm guessing the vacuum leaks out???).
Does this make any sense to anyone? I do have a Haynes manual and all the procedures need a voltmeter which I don't currently have on me right now (It's at work). I was hoping someone has experienced this before. May not even have anything to do with the check engine light, I don't know.
If I start the pickup again and shut it off (with everything connected normal) and pull the top cap off of the EVR and plug the little spout on the top of the EVR the buzzing noise stops until I remove my finger.
The buzzing usually fades away after twenty seconds (I'm guessing the vacuum leaks out???).
Does this make any sense to anyone? I do have a Haynes manual and all the procedures need a voltmeter which I don't currently have on me right now (It's at work). I was hoping someone has experienced this before. May not even have anything to do with the check engine light, I don't know.
Thread Starter
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Elder User
Joined: Oct 2002
Posts: 513
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From: Lincoln NE
http://www.fordtrucks.com/forums/sho...flow+excessive
Here is the link to the search I did which has a pretty good picture of what I'm talking about.
Here is the link to the search I did which has a pretty good picture of what I'm talking about.
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