When buying a used Ford Bronco, be aware that the ignition module on some models is prone to failure and that certain models exhibit an unpleasant noise at high speeds. Additionally, the exhaust gas recirculation system tubes are prone to breakage and a damaged intake gasket can cause high engine idle conditions.
If a Ford Bronco refuses to start or suffers from intermittent stalling, it could be due to a failed ignition module. This problem affects Ford Bronco's with high mileage manufactured between the years 1990 and 1996. It affects Ford Bronco vehicles with 4.9-liter V-6 engines, 5.0-liter V-8 engines and 5.8-liter V-8 engines.
A faulty double Cardan joint may cause vibration and unpleasant noises at high speeds in some Ford Broncos. This affects Ford Broncos manufactured between 1990 and 1996 with an average mileage of 142,500, reports RepairPal. To repair this problem, replace the drive shaft with a new double Cardan joint.
Ford Broncos with a 5.8-liter V-8 engine that spring an exhaust leak may have broken exhaust gas recirculation tubes. Often, this problem is accompanied by a clanking noise coming from under the hood.
Ford Broncos with a high engine idle may need to have the engine's intake gasket replaced. This problem affects vehicles manufactured between 1990 and 1996. It affects both models with 5.0-liter V-8 engines and models with 5.8-liter V-8 engines.