Tubes for the EGR system (exhaust gas recirculation) can break, causing an exhaust leak and noise under the hood.
1995 Ford Bronco Problem Reports
Most Reported 1995 Ford Bronco Problem Reports
If there is a vibration or noise at highway speed, it could be from the front driveshaft and may require replacement of the double cardan joint. A double cardan joint is a type of driveshaft joint that uses two universal joints.
If a noise from the rear end is heard when going around turns or after driving at highway speed for an extended period, this could be caused by a failing deferential clutch kit. An updated differential clutch kit available.
The upper intake manifold gasket may fail, causing an engine vacuum leak and a high idle condition. A damaged intake gasket should be replaced.
Vacuum hose failure is common due to engine heat and time. Vacuum hoses are made of plastic.