Report: Rough Idle When Cold Due to Upper Intake Manifold Gasket Leak
Ford Explorer Problem
Engines Affected: 4.0L V6, 4.0L V6 SOHC
Average Mileage: 111,265 mi (68,000 mi - 177,327 mi)
Visitor, 1998 Ford Explorer, 4.0L V6 SOHC, 70,000 mi
Replaced intake manifold. Cost about $500. They tried other things first (that didn't work) for another $400.
Visitor, 1999 Ford Explorer, 4.0L V6 SOHC, 124,000 mi
intake manifold gaskets replaced
Visitor, 1999 Ford Explorer, 4.0L V6 SOHC, 68,000 mi
engine light on and truck dies or idles rough till warm.