P0131 Diagnostic Trouble Code Discussion for February 2013
Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)
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| Help Request | Posted | |
| 2006 Mazda 6 S 3.0L MIL Lamp on P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction. Another tech at shop is working on this mazda. Both upstream o2 sensors stuck at .04 at idle. Smoked intake found intake hose cracked replaced hose sets same codes. Vehicle had aftermarket massairflow sensor which read 2.7 grams per second at idle replaced wit... |
February 07, 2013 |
