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Old 09-28-2004, 04:30 PM
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Default A question or two...
So I got done about an hour ago replacing the catalytic converter and O2 sensor in the 4K. I start it up and it idles around 1100 now instead of the usual 900-ish. My question is what could possibly be causing the change now? Why would it only show up after replacing the cat and O2? Anyone?
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Old 09-28-2004, 04:58 PM
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Default Was the old cat all plugged up? anyway does not sound too abnormal given the changes you did
You probably just need a little CIS tuning to bring the idle back down.
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Old 09-28-2004, 05:30 PM
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Default Errr....
I don't think so. It didn't look too clogged, but it was the original, so anything's possible.
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