Mine were super gummed up and I also had the same code in the PCM with no MIL light on.
I took off the intake and the IMRC's put them in a solvent tank at work and scrubbed the :q:q:q:q out of them with brake clean and a brush.
You can try and soak them with Seafoam before removing them...
P1518 is IMRC stuck open. Chances are they are not stuck open and you have a bad IMRC.
My 97 has P1519 (stuck closed), I did some diag and found they were carbon closed because of the little old lady I bought the car from never got the RPM's up over 3000.
I took my intake off, removed the...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.