Originally posted by 180fan
Next, if you remove the PCV from the system, you don't get oscillations in your rpm from 1k to 2k. All the PCV does is vent the extra pressure from the crankcase back to the intake. Check that, it's a one way valve and will not cause oscillations like you're describing unless you've got a vac leak. Check the FSM if you don't believe me.
Next, if you remove the PCV from the system, you don't get oscillations in your rpm from 1k to 2k. All the PCV does is vent the extra pressure from the crankcase back to the intake. Check that, it's a one way valve and will not cause oscillations like you're describing unless you've got a vac leak. Check the FSM if you don't believe me.
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