Rough Idle When Cold Due to Upper Intake Manifold Gasket Leak on Ford Explorer

Problem Description and Possible Solution

The Check Engine Light will illuminate and the engine will idle roughly when cold. There are updated upper intake manifold gaskets to resolve the problem.

Problem Data
RepairPal Verified
Average mileage: 129,662 (51,000–205,631)
Engines affected: 4.0L V6, 4.0L V6 SOHC
5 model years affected: 1997, 1998, 1999, 2000, more2001
18 people reported this problem
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Viewing 1 - 5 of 5 comments
Replaced intake manifold. Cost about $500. They tried other things first (that didn't work) for another $400.
engine light on and truck dies or idles rough till warm.
intake manifold gaskets replaced
I could not solve it
new intake manifold gaskets