Quote:
Originally Posted by 1963korvette
I usually let car warm up before testing it. It does it when you get into it with full power switch on. When you ease it up to above 3,000 it starts guggling. I did have SES light on all the time but that was MAP sensor hose. Since I fixed that The SES light is off all the time now.
Now, how would I check the speed sensor?
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FSM 6E3-A-46 & 47
You say that you do not have any codes? The DIC will show SES light if the secondaries do not open, so it probably is not your secondary vac sys. So this narrows it down to fuel or ignition. Is it blowing smoke when it starts to bumble and gurgle? Have you checked your plugs to see if they are wet? Color?
When the VSS (Vehicle Speed Sensor) goes bad, it limits the rpms to 3k and does some weird things from what I know. It also may or may not throw a code 24. It could also be an intermittant code 24. It will affect other things also like the Ride Control;Radio; or Speedometer.
Anyhow, this is just an idea to check.
Forgot to ask does it do this when the power key is turned off? If so, it probably is not the VSS.