just had catilac converter changed it was pluged up now it is shifting hard help on 2007 Pontiac G6

is it a sensor

by in Hudson, OH on August 27, 2013
2 answers
ANSWER by on August 28, 2013
Could it be due to more power from the engine, now that it can exhale?
ANSWER by on August 28, 2013
IT COULD TAKE AWHILE FOR MODULES TO READ THE NEW ARE FLOW,IF THE CATT WAS PLUGGED FOR A LONG TIME