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Old 01-22-2019, 04:33 PM   #11
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Mine is doing the same thing, except mine seems worse than yours is. I still haven't replaced my o2 sensors or EGR valve yet, which may be causing the issue. However, I am 100% sure in my instance that I have a vacuum leak (possibly multiple) due to being able to hear hissing coming from the engine every so often.

Here's a list of things I know that will make it idle worse:

- Turning on the AC
- Turning on the defroster
- Switching from park to drive will temporarily cause an upset (assuming this puts more load on the engine)
- When it's colder outside (20 F or so)

I am taking it to a shop to have someone more knowledgeable than me look at it on Thursday. I don't have a CEL yet.
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Old 01-23-2019, 09:58 PM   #12
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Changed the spark plugs, coils, valve cover and gasket. Between making these changes and unplugging, cleaning and replugging everything in the way of the valve cover, I seem to have fixed the problem. Thanks for the help y'all!
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