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Clogged Cat? How do I tell?

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Old 06-15-04, 12:14 AM
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kel
24 yrs driving 2nd Gen RX

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Clogged Cat? How do I tell?

My '87 TII has symptoms of clogged cat - as well as other possible causes.
mainly, no power with excessive throttle, doggs down at 4000 rpm, overheats.
I understand from searching that there are a bunch things that can cause these problems.
How do you confirm or eliminate the cat(s) as the problem?

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Old 06-15-04, 12:22 AM
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R.I.P. Monte Negro FD

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if the cats are clogged, at night time drive, if you peer under and see them red hot, they are clogged. also, place your hand near the exahust, feel the back pressure. you should be able to tell . our cars have a strong back pressure, if your aint to strong, well get those bad boys removed
Old 06-15-04, 12:26 AM
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Never give up!

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Any exhaust shop will through it up on the lift and tell ya for free.
Old 06-15-04, 01:24 AM
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Yea just take a gander at them after a night time cruise.
Old 06-15-04, 01:39 AM
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kel
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Thanks, Gang! I'll let you know what I find after dark tomorrow.

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Old 06-15-04, 01:40 AM
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Just give it a few redline revs right now. Neighbors love that.
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