2007 JEEP GRAND GRAND CHEROKEE 4.7 V8

Asked by GuruTKT7X Jul 09, 2018 at 12:16 PM about the 2007 Jeep Grand Cherokee Limited

Question type: Maintenance & Repair

VERY HIGH IDLE, REPLACED TPS AND IDLE AIR CONTROL VALVE,  STILL TO HIGH WHAT NEXT?

1 Answer
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Hornet_2497 answered 5 years ago

If it's not showing a code then start looking for a massive vacuum leak. Loose connections and disconnected hoses. They whistle and hiss like a snake.

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