2001 3.8 "Insufficient EGR Flow"
Like the title says I have a 2001 V-6 that keeps giving this code. I reset it and it returns a couple days later. I assume that I hit the condition for the EGR circuit about then. I think the number is 3401, but I could be remembering it wrong (deployed right now). I am selling the car when I get back and had planned to fix it then, but I have a buyer who wants it ASAP and I don't want to sell it with that code in it. Yes he knows about it, it is just something of a pride thing.
For mods it has a TB spacer, and a 2 1/2" MAC exhaust, headers back with cats. I have tuned it up obviously. I was able to get the EGR to move by applying vacume to it, so it seems to be working. I tried to get a good voltage reading off the DPFE sensor, but the manual I had was confusing as to what the reading should be in what state. I am leaning toward that sensor, but can't confirm it. I only have the money to replace one thing of the three I suspect: DPFE sensor, EGR solenoid, or the EGR valve (incase something else might be wrong with it. The tube is not clogged either.
Any clues how to confirm this problems source?
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