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P0135-02 Heater sensor heater circuit malfunction bank 1 sensor 1, P01131-Manufacturer specific code, P0171-System too lean bank 1.
I have to add brake fluid sometimes.
And Antifreeze has leaked out the front driver side.
On 8-21-10 my SUV failed the first emissions test. It gave codes P0100 Mass Air Flow Circuit Malf and P0400 Exhaust Gas Recirculation Flow Malf. On 9-13-10 Cleaned EGR valve and ports. On 9-24-10 replaced Mass Air Flow Sensor. 9-24-10 check engine light came back on, code P0400 EGR showed up again.
It occurs everyday driving forward or backward.