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Old 04-01-2010, 05:34 PM   #1
nckissfan
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97 Cobra running rough

hey, car idles fine, oil level is good. I let the car warm up, and went for a ride. When I got on the car hard, going from 1st to 2nd, the car bogged down really hard, and it didn't sound near as aggressive as normal. Any ideas? I was thinking plugs, but have heard maybe clogged cats.
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Old 04-02-2010, 08:16 AM   #2
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Check the fuel filter also...I assume there's no check engine light?

Does it bog down at 3200 rpm's? If so, you could need the IMRC's cleaned...they can get sticky.
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Old 04-02-2010, 10:33 AM   #3
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I didn't get to see where the rpm level was, but that sounds around the area. I do have a cel, need to check what it is
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Old 04-02-2010, 01:46 PM   #4
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If you don't have a scanner, just run over to AutoZone, or the like, and they'll run the codes for you.

Then the following link will describe them:

http://www.svtperformance.com/forums...iguration.html
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Old 04-02-2010, 04:43 PM   #5
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that sounds very familiar to me. I had the same issue last summer and it was the IMRC plates sticking. A friend and I spent about 6 hours tearing it apart and cleaning them...its a bit a pain.

I also found a grommet on the valve cover leaking oil down into one spark plug.
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Old 04-04-2010, 11:17 AM   #6
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it looks like I have my work cut out for me. I will see what I can get done on my own.
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Old 04-06-2010, 09:45 AM   #7
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Take a look at what a young feller from this forum helped put together:

http://www.svtmustangcobraclub.com/m...C_Cleaning.pdf
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Old 04-06-2010, 04:39 PM   #8
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sweet, thanks for that
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Old 04-06-2010, 06:48 PM   #9
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just my .02, but when you do this, you might want to go ahead and change out your plugs and pcv valve; if needed. I'm only saying this because you're going to be under the hood any way, and it will only take another 20-30 minutes to do them while you're there.

and that article is the one that I followed...it was a huge help!
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Old 04-07-2010, 09:03 AM   #10
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plugs were already on my radar
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