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Old 04-12-2011, 08:02 AM   #1
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Default need to replace a cat. in my 2005 F150

We a long story short, had one of Fords great injectors go bad and stick open and I did not know of the problem with them and that Ford was covering them for 120K and fixing any problems they may cause, so had the injector fixed
And then couple weeks later I got the converter code that itís bad after some searching I found out of there problem with the injector so I called the dealer and they just blew me off saying that since they didnít fix the injector that
They canít warranty converter, so I called Ford and got just more run around so looks like Iíll just do it myself, question is it ok to just replace the one converter and should the two O2 sensors be ok ? and where is the best place to
Get a converter, so far I found the Walker ones with the down tube (drivers side, single cat.) for around $300
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Old 04-12-2011, 09:07 AM   #2
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They have a universal Magnaflow cat that I'm pretty sure works with our trucks (someone else can chip in) that's $65 on summitracing.com. That should be fine, because $300 for 1 cat sounds way to high.
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Old 04-12-2011, 10:15 AM   #3
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I always suggest doing cat replacements in pairs. Doing only one side means the other may not flow as well as it should. This creates uneven scavenging, not good for a motor. Magnaflow 94106's are the favorite around here, but can rust if you're in the salt belt. They are around $60 from performance peddler. Keep the front O2 sensors where they are when the new cats are installed. If the rear sensors trigger a code for cat insufficiency, foulers or the Gotts O2 mod can be done to avoid the CEL.
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Old 04-12-2011, 10:38 AM   #4
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If you have less than 80k on the truck the dealer has to fix them for free. I wouldn't say anything about the bad injector though. Just tell them you have a bad cat.
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Old 04-12-2011, 11:04 AM   #5
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the $300 price is with the down tube a unbolt and bolt back in, easy to do no cutting and welding in a new cat, have 90k on the truck and i even told the dealer you know why the cat went and he said yes but i can't do anything
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Old 04-12-2011, 03:23 PM   #6
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If you 're throwing a code about the cats then Ford will fix it under warranty as long as you're under 80k miles, it don't matter who fixed the injector. Go to another dealership!

Ford had on my receipt when I had a cat replaced that one cat through Ford was $1200, MSRP FTL! No I didn't pay that, it was warranty work.
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Old 04-14-2011, 10:15 AM   #7
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have over 90K
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Old 04-14-2011, 10:29 AM   #8
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Quote:
Originally Posted by otto457 View Post
I always suggest doing cat replacements in pairs. Doing only one side means the other may not flow as well as it should. This creates uneven scavenging, not good for a motor. Magnaflow 94106's are the favorite around here, but can rust if you're in the salt belt. They are around $60 from performance peddler. Keep the front O2 sensors where they are when the new cats are installed. If the rear sensors trigger a code for cat insufficiency, foulers or the Gotts O2 mod can be done to avoid the CEL.
you have a link for the O2 mod ?
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Old 04-14-2011, 11:17 AM   #9
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http://www.f150online.com/forums/exh...-mod-pics.html
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