I have a 1986 Vette, all of a sudden it revs very high and won't go down any. What can the problem be?
My 1986 Vette is having a problem all of a sudden when I start it it runs really.high, 2400 rpms. And it doesn't go down. The only thing I have done is spray some WD40 on the accelerator cable.
Sounds like either a vacuum leak or a bad IAC (Idle Air Control) valve. HTH. -Jim
Have the sensors checked. Something is out of whack and the computer is getting a wrong message. Look very closely and see if you can find any lose wires or hoses. Did you spray the WD-40 after it raced or before?
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