RepairPal Certified shops can diagnose and repair your 1990 Ford F-250. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
COULD BE FUEL RELATED, OR FAULTY PCM OR IAC. SOUNDS LIKE A PROPER DIAGNOSIS WILL BE THE BEST ANSWER. CALL US IF YOU NEED HELP. D&J AUTO DOCTORS, 760-940-8952