I've been experiencing an issue where my z06 will idle a bit rough shortly after starting the car when it's cold
The rpms will dip down below 500 at times and the coolant temperature will.
I also have a 95 auto with about 60,000 miles and had rough idle and missing under load with low rpms (e.g., going up a hill in overdrive)
The dealer had previously replaced opti (twice), plugs.
I have heard that on the 1995, there is a third oxygen sensor, and this might be the problem?
The most common reasons a 1995 chevrolet corvette has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
1995 corvette c4 cold start issues
Causes and fixes c4 often faces cold start rough idling and delayed engine cranking during low temperatures
Cold start problems in the 1995 corvette c4 often stem.
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A rough idle in a 1995 c4 lt1 with an automatic transmission can stem from a faulty idle air control (iac) valve or vacuum leaks
Since vacuum lines were replaced, focus on the iac module, which.
Check your idle system by keeping the engine running, and the parking brake on, with your car’s transmission in the “neutral” position
Slowly press the accelerator until the rpms reach.