Problems with accelerating
My CTS seems to run hip RPS up on starts and seems to lose or hold back on speed. Has a misfire issue on #2 and 4 which I fixed. Had the transmission checked and it was find. The mechanic says it could be a timing change problem. It runs good one to get into the other gears. Just high RPM and some skipping on start up accelerating. Does not throw any code which I cant understand. By the way it has about 130K on clock and is an automatic.
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