Car moves gears but won't drive

diana199338
Wed, 08 Feb 2017 23:30:31 +0000
Maintenance/Repairs

Hi have a Cadillac CTS 2004 I was on my way to take my son to school I stopped at the stop sign & my car will not accelerate front or back.It turn on fine but won’t move.i put the scanner & it gives me codes po420 & po430. Did the transmission fluid/filter change about 4 months ago.

16 posts - 9 participants