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My Grand Cherokee is idling rough – could it be spark plugs?

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My Grand Cherokee is idling rough – could it be spark plugs?
hettawithers Offline
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#6
10-09-2026, 07:22 AM
How many km on the Grand Cherokee, and have the plugs ever been changed? Does the rough idle show up cold, hot, or both? And is the check engine light on or flashing? That would help people here tell you whether it’s plugs or something else.
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RE: My Grand Cherokee is idling rough – could it be spark plugs? - by hettawithers - 10-09-2026, 07:22 AM

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