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Old 01-04-2005, 05:57 PM   #1
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check engine light (egr)

My check engine light keeps tripping with an "egr insufficient flow" code. I've recently replaced the egr valve and it still tripps with the same code. Anyone have any thoughts about what else it may be or how i can fix it. BTW i have to pass emmisions tests so an egr delete won't do it.
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Old 01-04-2005, 08:26 PM   #2
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Mine did that too a while back. it was the DPFE sensor, which is just to the left of the EGR valve, I believe. I took it to pep boys, and they replaced the sensor and had to do some sort of cleaning on the MAF as well.

Hope that helps.

BTW, be sure to clean your MAF after install an oil bath filter (K&N, etc.), as you will more than likely always over oil it, no matter how little you put on. That oil gums the MAF up pretty good.
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Old 01-04-2005, 09:03 PM   #3
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yea its probably the sensor.
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Old 01-06-2005, 04:23 PM   #4
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mine has the same thing right now
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Old 01-07-2005, 04:37 PM   #5
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got warranty?
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Old 01-07-2005, 07:22 PM   #6
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not anymore
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Old 01-07-2005, 07:36 PM   #7
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its probably just the sensor
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Old 01-07-2005, 08:14 PM   #8
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Ya, I'm willing to put my money on the sensor. Electronics these days are very small and fragile. It might be a little expensive too. Check ebay or just go to your ford dealer for one.
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Old 01-07-2005, 11:37 PM   #9
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I think the sensor was 69 bucks at pep boys.
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Old 01-08-2005, 05:36 PM   #10
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$30 plus tax at my local dealership
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Old 01-08-2005, 06:39 PM   #11
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even better. it should be a quick fix then.
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Old 01-08-2005, 09:15 PM   #12
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I guess ill be stopping by ford on monday
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Old 01-09-2005, 08:50 AM   #13
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Quote:
Originally Posted by 01mineralgrey6
not anymore

check with your ford dealership, there's a FSA (recall without a letter) extending warranties on the DPFE sensors for 2 years and 24k miles I believe it was

I can try to get the exact printout for you if you need it, just let me know
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Old 01-09-2005, 08:51 AM   #14
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P.S. if your code was p0402, then yeah that's a 99.999999*% chance its a failed DPFE sensor..
the problem isn't so much with the sensor, but more like the integrity of the sensor, the constant exposure to hot exhaust gas and condensation... they have an updated design now
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Old 01-09-2005, 10:50 AM   #15
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What's the easiest way to clean your MAF? I need to do it to mine...put a K&N filter in about 20,000 miles ago.
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Old 01-09-2005, 11:12 AM   #16
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electronic parts cleaner, I think. Pep Boys did it when they did the rest of the work. (and charged like 20 bucks for it too) I'd highly suggest doing it yourself.

Somebody want to confirm what it s you clean it with for me pls?
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Old 01-09-2005, 11:17 AM   #17
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pull the maf housing from the air cleaner box, and the intake tube, and spray it lightly with some brake clean... don't overdo it, and don't touch anything..
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Old 01-09-2005, 11:23 AM   #18
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I heard brake cleaner is bad for it, to just use electronics cleaner...I need to make a new post with all the stuff I need help with on my car lol
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Old 01-09-2005, 12:07 PM   #19
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brake clean is what we always use in the shop, but it probably is, haha
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