1998 Ford Explorer Repair Question
Topics covered: Sensor, Alarm system, Fuel injector.
Mileage: 135,000 miles.
Mileage: 135,000 miles.
Asked on January 19, 2013
Ford Explorer Sensor Problem
Using actron diagnostic alarm code reader i got a 171 and 174 alarm system to lean bank 1 and bank 2. truck runs rough at idle but ok when driving.could it be 02 sensor or fuel injector
Answer
Replied on January 19, 2013
low fuel pressure, vacuum leaks, mass air flow sensor and pcv are the common causes
Roy