C6 Doberman
New Member
I thought I had a trans issue because the trans was clunking and making noise but then I noticed the engine was only at 350 rpm. Trans sounds normal when you idle the engine up to 600 rpm where it should be. I replaced the spark plugs and still have a rough idle. I don't see individual coil packs just a distributor on the back of the engine. Are these digital or do you have to replace the rotor button and what not on these? Where else should I look. Dealer is suppose to get down with a scanner to see what the alarm is. Just trying to narrow it down myself.