Thread: P0121 Code and Trans not shifting correctly

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tranny shifting hard. code po730 came up

By tazgtp in forum 1997-2007 4 speed Automatic (4T65E) (4T65E-HD)

Replies: 1
Last Post: 06-13-2011, 06:31 PM
p0121 code

By gtpinsc in forum 3.8L V6 Supercharged (L67)(L32)

Replies: 14
Last Post: 03-20-2010, 10:13 PM
P0121 code repeatedly

By Grossman in forum 3.8L V6 Supercharged (L67)(L32)

Replies: 0
Last Post: 01-30-2010, 01:41 PM
Still getting P0121 code after replacing TPS. Any ideas?

By PCweber in forum General Tech Discussion

Replies: 0
Last Post: 09-19-2009, 08:25 AM
Trans Shifting

By GPSims39 in forum 1997-2007 4 speed Automatic (4T65E) (4T65E-HD)

Replies: 3
Last Post: 12-04-2008, 02:22 PM

Tags for this Thread

code, correctly, p0121, shifting, trans

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