Rough idle due to leading intake manifold gasket on Isuzu Trooper

Problem Description and Possible Solution

A rough idle may develop which may or may not cause the Check Engine Light to come on. This issue is commonly caused by a failed intake manifold gasket which will require replacement.

Problem Data
RepairPal Verified
Average mileage: 164,674 (112,023–220,000)
Engine affected: 3.5L V6
4 model years affected: 1999, 2000, 2001, 2002
8 people reported this problem
Viewing 1 - 2 of 2 problem details
Engine idles rough, when stopped, little shaking occurs. Sounds loud as well...
diagnosed when check engine light came on. Should be covered under warranty 10/120 for original owner I'm told. Also told to have dealership do oil consumption test for drain back holes.