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Help Engine Check Light.


yuny14u
01-28-2005, 04:50 PM
I have a 1997 Mercury Mystique 2.0 Liter.

I get to codes P1409
P0171 "system too lean bank 1"

Can u guys help me to c what those codes mean

i just got rebuilting the tranny, new radiator, and colant sensor, 02 sensors.

beyondloadedSE
01-28-2005, 04:58 PM
I would try cleaning your MAF.

yuny14u
01-29-2005, 02:49 AM
i had a new intake put in? what do u mean by MAF?

beyondloadedSE
01-29-2005, 11:43 AM
Mass Air Flow Sensor

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