WE HAVE RAN TEST ON THE CAR AND KEEP GETTING ...

2000 Mazda 626

Tiny

kat626

December, 11, 2012 AT 7:42 PM

We have ran test on the car and keep getting trouble codes of p0171 and p0174, and are lean codes, could this possibly be the pcm, would hate to spend the money if we don't need to.
thx kathy.

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1 Answer

Tiny

Docfixit

December, 11, 2012 AT 9:19 PM

O2 sensors not switching are correcting a overly lean condition May have intake leak, restricted air cleaner or clogged /dirty injectors

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