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 OBDII
 OBDII (1996 and up)
 2000 Ford Windstar P0171 & P0174 codes
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| Author | Topic: 2000 Ford Windstar P0171 & P0174 codes |
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EDGE540 Junior Member |
posted 01-01-2005 01:30 PM
   
I have the 3.8L engine and the "Check Engine" light came on. Had a mechanic pull the codes up and they are Bank 1 running lean and Bank 2 running lean (P0171) and (p0174). Anybody know what is common to both banks? Thanks IP: Logged |
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geo Member |
posted 01-01-2005 02:49 PM
vacuum or intake leaks IP: Logged |
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sean23 Junior Member |
posted 01-05-2005 12:18 AM
Intake manifold gaskets are a fairly common cause for this. IP: Logged |
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Firehawk7501 Junior Member |
posted 01-18-2005 05:03 PM
I have a 1999 Ford Mustang V6 with the same problems and I just put on a Cold Air Intake and I had the vaccume tube that comes from the valve cover disconnected from the intake plenum and I believe that may be my problem and also I believe the codes are related to the intake part of the vaccum and fuel section of the motor. IP: Logged |
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san_terre Junior Member |
posted 02-20-2005 08:33 PM
I've got the fix for this. You need to replace the upper and lower plenum gaskets. You'll also need new compression bolts. Took me about an hour and a half, and it's very easy. You will need to clear your OBD codes with a reader or you can snatch the battery cable. My next door neighbor used to work at Ford and told me what to do. I've scanned the exploded view of the engine with the part numbers and quantity you need. Check it out here-> home.earthlink.net/~cswanda/jpeg/windstar.jpg Good luck and pass this jpeg around the 'net. I've been reading forums for months trying to figure it out, without paying Ford to fix it. Chris IP: Logged |
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goose Junior Member |
posted 02-22-2005 07:51 AM
i have recently had similar codes appear on my 01 3.8 windstar. p0171, left bank running lean. my boss scanned it for me and kinda pointed me in a direction, but ive come on here for reasurance. i am prepared to change the intake manifold gaskets. do i really need to change the compression bolts? are these something to replace because your already at them when replacing the gaskets? is there a way to tell if they will be ok to be reused? its not my van, its my fathers. so to be honest im not 100% sure if it is the intake mani gaskets, but after finding out that this is a common thing for the 3.8l to have, i thing that would be a good place to start. is there anyway to test that the gasket is fooked before i go ahead and replace? IP: Logged |
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san_terre Junior Member |
posted 02-22-2005 12:59 PM
From what I've been told, yes due to the fact that these are an issue also. Plus since you are there anyway  Here's another site explaining the process. IP: Logged |
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c_britain Junior Member |
posted 11-18-2005 07:21 PM
It looks like I need to do this for my 99 3.8. What is it about the valve cover? Can I modify it some how rather than buy a new one? quote: IP: Logged |
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NVRBYAFD Junior Member |
posted 03-06-2007 04:08 PM
Replaced fuel filter and cleaned Mass Air Flow Sensor with no fix. Was succesfull with the replacement of the port seals and isolator bolts. It is easier to do with the cowl removed. (www.leckemby.net/windstar/windstar01.html) was a big help. Thanks big guy. Cost me 8.58 for the fuel filter,11.22 for the gasket set and 45.60 for the isolator bolt kit plus tax. Less than $70.00 for all the parts(w/discounts)and took me about 2.5 hours doing it at a leisurely pace. Good luck. [This message has been edited by NVRBYAFD (edited 03-06-2007).] IP: Logged |
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