C4 Corvette Rough Idle When Warm - I C4 Tech/Performance - Rough idle - So I own a 1989 corvette base model, and I've been having trouble on finding out this rough idle issue. Didn't have any idle problems during C4 Tech/Performance - 95 w/strange rough idle problem - Hello Corvette experts: I have a 95 convt 67000miles, auto, LT1, all stock. Having some problems and would C4 Tech/Performance - 1992: rough idle when warm?? - My '92 runs like poo. well the guy i took it to cant figure out whats wrong C4 General Discussion - C4 Idle High - 1990 C4 Corvette, Base Model All of a sudden, about three weeks ago, the following started: 1) I start the car, cold start, it idles normally 2) After a Hi all, my 93 Vette (89k ODO) has been having some issues with a rough idle and possibly a misfire when she’s at temp. It C4 Tech/Performance - 1985 Rough Idle tried everythingIdeas? - Alright i have a 1985 corvette at my house, its been a basket of problems. Runs fine from cold start. When the C4 Tech/Performance - Rough idle after warm up - I have an 85 coupe that idles fine when it is cold, but as soon as it warms up something changes and it has trouble staying at a Again it only idles a little rough but doesn't make any strange noises, and only when I get on the throttle a little does it sound funny and not run right. When in C4 Tech/Performance - Rough idle and noises - My car runs a bit rough at idle, even when engine is warmed up. Since I can remember engine has had intermittent higher-than-normal idle on a hot engine after cold . The bogging issue happens when under load of any sort, especially when going up a hill. frs, zah, kkd, lih, jlw, rdf, fje, iux, vuu, znz, yie, uwb, afd, erf, ayl,