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| 2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs. |
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#1
Tue, May 8th, 2012, 05:38 PM
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Failed inspection
I have an edge evo custom tuned by Bill. He did these before he started doing gryphons waaaay back. He did me a custom 87 perf and 93 perf tune.
Last year I put on long tube headers. Bill told me a retune wasn't necessary. The LT's came with small cats and I ended up with cat inefficiency codes so I contacted Bill and he turned off my rear o2's so I could pass emissions for state inspection. I have since had magnaflow cats installed that are the same size most guys are replacing their stock cats with. Well I went to get it inspected and my o2's are not ready. Friend of mine told me the rears might not have been turned off properly. Anyway, last week I sent Bill an email regarding this and haven't gotten a reply and I only have a few days left to figure it out. My main question is will it be safe to switch back to stock even with the headers to get my drive cycles in, in order to be ready for inspection? 2005 f150 5.4 
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#4
Fri, May 11th, 2012, 10:31 AM
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The only thing I can think of is doing a battery disconnect(with the tune loaded and programmer disconnected, then hook up the programmer after the battery is reconnected) and completing a drive cycle again....something in the EVAP system might be the issue.....Bill omits the p1000 but none of the other drive cycle tests are omitted...
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SENIOR MODERATOR--PTLA God doesn't have a Facebook but he's my friend. God doesn't have a twitter, but I follow him.
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#5
Fri, May 11th, 2012, 11:29 AM
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I'm not showing any codes stored on the tuner. Before the tune adjustmest and after the header install I got a couple of cat inefficiency codes with a light on the dash. I had bill adjust the tune to turn off. The rear o2's so the codes wouldn't come up. Since I knew the cats were small I put on the larger magnaflow cats. Never had an issue before with inspections and bills tunes. So will I be ok setting to stock for the inspection after drive cycles???
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#6
Fri, May 11th, 2012, 12:10 PM
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Quote:
your programmer cannot read if the tests have cleared...there's another scan tool for that....
__________________
SENIOR MODERATOR--PTLA God doesn't have a Facebook but he's my friend. God doesn't have a twitter, but I follow him.
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#8
Fri, May 11th, 2012, 02:37 PM
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The codes that I had were p0420 and p0430. Bill adjusted the tune to turn off the rear o2's so these codes wouldn't arise. After he did that the codes never came back. Fast forward six months to now and I have better cats and the cayalysts and o2's read not ready on the inspection report. This is why I believe the rears were not turned off in the tune properly. It is my opinion that returning to stock would be my best bet vs trying the same tune again. Opinions? I need an answer soon. lol
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#9
Fri, May 11th, 2012, 03:16 PM
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Quote:
I left Bill a note....
__________________
SENIOR MODERATOR--PTLA God doesn't have a Facebook but he's my friend. God doesn't have a twitter, but I follow him.
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