Jeep Grand Cherokee Laredo Engine Revs Up

We Bought A 2004 Jeep Grand Cherokee Laredo With The 4.0 Six Liter Engine That Has 140,000 Miles From A Couple Who Lived In The Country (so...

What Is The Proper Idle Rpm For Jeep Grand Cherokee Laredo My Jeep Seems To Have Low Rpm Speed

Idle Speed Is Down To 550 Rpms. Changed Throttle Position Sensor. Scanner Reads 0 Codes. At 200,000 Miles Going Down The Highway, It Runs...

When The Car Is 1st Started In The Morning, Put It In Drive And Accelerate. The Trans. Shifts Higher Than Normal (3000 Rpm's). After This...

I Have A 1999 Jeep Grand Cherokee Laredo 4x4 4.0l. When I Start It It Revs All The Way Up And Stays There It Wond Idle Back Down I Have To...

We Have Replaced The Tps And Map Sensors Trying To Cure This Problem With No Success. When Driving Continuously , The Jeep Runs Like A Dream...

The Engine Willl Idle Fine Till It Reaches About 1500 Rpms Then Starts Skipping And Popping In Exhaust So Far I Have Replaced Fuel Pump...