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2017 Chevy Cruze changed ignition coil number one cylinder and plug scanning tool showed was no good now the car still has a slight rough idle and will not rev over 3000 RPM it's sort of in limp mode any suggestions I was sort of leaning towards catalytic converter not too sure any help would be appreciated
 

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May have rev limiter but not at 3K rpm. Codes would be helpful.
 

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You think so? When I'm driving i can get over 3k but not while sitting in park. It's been that way since the day I got it brand new.
 

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Learned something new.

My `17 at cold went to 3500 x2. The 3rd time was 3300. I'll have to see what it does at operating temp.
 

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Mine does that too. I think it may be part of a launch control feature. Why do you need to redline in park? Lol. Like if you were to floor it in my manual, at a dead stop it goes up to about 3200, but if in trying to launch hard, I just leave it floored and bounce like that. Poors man's 2 step?
 
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