USING ACTRON DIAGNOSTIC ALARM CODE READER I GOT ...

1998 Ford Explorer

Tiny

Anonymous

January, 19, 2013 AT 8:15 PM

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

1 Answer

Tiny

ASEMaster6371

January, 19, 2013 AT 8:17 PM

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

Roy

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