5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

still got a miss, but i got the codes

Old 09-07-2008, 03:50 PM
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calfroper_06
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Default still got a miss, but i got the codes

ok so i ran the KOER and i go codes 12 21 41 91, and the mis is back, last night it ran fine no mis or anything, i just took it back out and the mis or what ever it was is back, codes 41 and 91 are sayin im running lean correct? i wouldnt think both 02 sensors are out what could it be?
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