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bryanjs
New User
Mar 18, 2013, 5:28 PM
Post #1 of 10
(1668 views)
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I have an 06 ford expedition that the check engine light came on plugged it in and it said left bank catlist system so I replaced the o2 sensors and now it came back on after about 3 weeks later please help
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Discretesignals
Ultimate Carjunky
/ Moderator
Mar 18, 2013, 5:48 PM
Post #2 of 10
(1655 views)
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Re: 06 expedition
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What was the trouble code number?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 18, 2013, 6:37 PM
Post #3 of 10
(1637 views)
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Re: 06 expedition
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If you're getting a P0430, 0/2 sensors aren't going to fix anything. You're going to have to replace the Cats.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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bryanjs
New User
Mar 19, 2013, 8:32 PM
Post #4 of 10
(1586 views)
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Re: 06 expedition
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Will hook it up and let you know what the code number is in a few days
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 20, 2013, 3:19 PM
Post #5 of 10
(1569 views)
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Re: 06 expedition
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Actually just messed with one of these. Vacuum elbows (larger) were cooked. Of course you get codes if running like crap. IMO and HT said it that O2 sensors will sense it not running properly if so.
If this is running poorly you will wreck converters - probably monster bucks! Need to find and fix source of the problem or you'll be back at it again,
T
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bryanjs
New User
Mar 26, 2013, 8:08 PM
Post #6 of 10
(1530 views)
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Re: 06 expedition
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So I did hook it up to the code reader and it said P0430 catalyst system bank 2
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nickwarner
Veteran
/ Moderator
Mar 26, 2013, 9:22 PM
Post #7 of 10
(1527 views)
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Re: 06 expedition
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So you can replace the bank 2 cat or toss $300 worth of O2 sensors at it and then replace the bank 2 cat. Not cheap either way.
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 27, 2013, 3:09 AM
Post #8 of 10
(1521 views)
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Re: 06 expedition
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I believe this is a "Y" pipe so they'll all be changed at the same time.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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nickwarner
Veteran
/ Moderator
Mar 27, 2013, 5:05 PM
Post #9 of 10
(1508 views)
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Re: 06 expedition
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Ouch. Not a cheap one either.
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 27, 2013, 5:09 PM
Post #10 of 10
(1504 views)
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Re: 06 expedition
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There are aftermarket replacements available through exhaust shops.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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