2CarPros - Car Questions & Answers

1998 Ford Explorer Repair Question


Topics covered: Sensor, Alarm system, Fuel injector.
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
Avatar Asked by (pending member)

Answer

Replied on January 19, 2013

low fuel pressure, vacuum leaks, mass air flow sensor and pcv are the common causes

Roy

Tiny Answered by ASEMaster6371 (expert)
24,825 answers provided