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Correct low idle speed should be in the neighborhood of 750-800 rpms. A bit higher when the engine is cold is acceptable. Anything higher, above 1000 rpm probably indicates an issue that needs to be addressed.

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15y ago
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11y ago

Idle will be in the 550-900 range. Cruising will be around 1500-2000. Max rpm is about 6000

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15y ago

750-900 rpm

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Q: What is the idle RPM of a 1997 Jeep Grand Cherokee Limited 5.2L V8?
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