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Old 02-14-2013, 12:38 AM   #21
jtfocus03
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I have been having the same issuses with my 03 svtf im the 2nd owner the 1st owner said he had tuned the car and in the rain the car just dont want to run and when it sets in the rain for a whole day i cant hardly pull off also when it rains and wont rev it'll only rev to abount 1000 have ya'll found out what causes the problem
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Old 02-14-2013, 06:44 AM   #22
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Tom and I are working on it. I've had alot going on and haven't had much time to datalog. I will try again today.
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Old 02-15-2013, 04:35 PM   #23
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Finally threw a CEL today. P0133. Looking into it now.
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Old 02-17-2013, 09:36 PM   #24
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Bad vacuum leak. Check all lines and the tubes connecting the plastic manifold to the head.
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Old 02-19-2013, 03:36 PM   #25
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Well the bad news for my svtf is it needs a runner flap and o2 sensors and new catalic converters gonna cost about 2000
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Old 02-19-2013, 04:28 PM   #26
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Quote:
Originally Posted by jtfocus03 View Post
Well the bad news for my svtf is it needs a runner flap and o2 sensors and new catalic converters gonna cost about 2000
I'd suggest you create a separate thread for your issues, and be as thorough as possible describing the symptoms. I'd say it seems unlikely to be your catalytic converter. Even if it is, don't buy a stock cat unless you have strict emissions checks. Go with a high-flow cat as it will be much cheaper, might be emissions legal in some areas, and will even give performance gains. Or ORP.

I just would hate to see someone spend $2000 needlessly.
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Old 02-19-2013, 05:00 PM   #27
RevLimit
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What is a runner flap?
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Old 02-19-2013, 05:38 PM   #28
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Thats what I was told was on the intake to make the runners from short runners to long runners
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Old 02-19-2013, 05:51 PM   #29
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Having similar problems in my 03. Im thinking about changing out my TPS then disconnecting my MAF when the car is cold to see if that makes any difference.
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Old 02-19-2013, 11:53 PM   #30
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Quote:
Originally Posted by jtfocus03 View Post
Thats what I was told was on the intake to make the runners from short runners to long runners
I know what you are talking about now.

Does anyone here know how to test the intake manifold to make sure the flap is working correctly?

Here are some fix tutorials you may be interested in.

http://www.focusfanatics.com/forum/showthread.php?t=222180

http://www.focusfanatics.com/forum/s...ad.php?t=56157
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