Check out the BISS, ISC, TPS, and vacuum leaks. All can cause those issues. Look at vfaq.com, most of the info on the sensors I stated moves over to the 3g's.
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Originally Posted by
RednekBubba
Just do the normal German torque spec "gudntite"

Originally Posted by
98EclipseTurbo
I have all of the rockers loose on my Intake cam and I believe the timing belt skipped and bent some valves when the harmonic balancer grinded into the valve cover.