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Pre-cat question
#1637020 08/28/06 06:38 PM
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wcollegenj_dup1 Offline OP
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Does anyone know of a way that I can test the pre-cat to ensure it's functioning properly BEFORE I go through the trouble of installing it? I managed to get a used exhaust manifold with a pre-cat in it and I was told it was working fine, but I don't want to be bothered putting it in only to find out I still have my CEL on because it doesn't work. Any ideas?

Re: Pre-cat question
#1637021 08/28/06 07:21 PM
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The only way you'll know exactly what the condition of the pre-cat is would be for you to gut it....

Otherwise, you'll have to install it and see what the O2 sensors are doing.

Steve

98 Contour SE Sport 2.5 Duratec ATX The wifey's car 89 Taurus SHO - 246K miles 94 SHO ATX - 190K 1997 F-150 5.4L ATX - The Workhorse 150K. ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!
Re: Pre-cat question
#1637022 08/28/06 07:48 PM
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wcollegenj_dup1 Offline OP
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Hmm...ok....well considering that it's not throwing any codes for O2 sensors, would it be ok to reuse the ones that are in there now, or should I just change those too anyway?

Re: Pre-cat question
#1637023 08/29/06 01:22 AM
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Tony2005 Offline
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Originally posted by wcollegenj:
Hmm...ok....well considering that it's not throwing any codes for O2 sensors, would it be ok to reuse the ones that are in there now,..


Yes. The only one I would consider changing (if it has more than 75k miles) would be Bank 1 (firewall side) Upper as it is the hardest to change.

"Always do the cheap and easy ones first." 1996 V6 ATX 96K miles

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