Quote:
Originally Posted by SigBoi
For sure, the IVM I replaced to fix the other issues it was causing, like weird shifting and random rough starting, which it did. I also heard it affected cold start rough idle, but it didn't do anything for me there.
OP said this module that he replaced cured his cold start rough idle, which I'm experiencing now. Would not hurt to know what module this is while investigating root cause. I'm going to get a smoke test done next to see if there are any vacuum leaks, then onto the next check.
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I'm wondering if I have an IVM issue as well. I noticed sometimes the car idles a little weird when first starting it, also the way the transmission shifts is weird, like it shifts too early leaving the car with no power, which makes me have to push the accelerator further for it to downshift again.