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#1
06-23-2003, 11:10 AM
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PO-172 check engine light
I got a check engine light on my 99 Honda Accord EX 4-cylinder, I got the code PO-172 bank 1 system too rich. Dealership told me it was the forward o2 sensor or fuel pressure regulator so I changed both and the light came back on then I replaced the rear o2 and the light still came back on. I have spent 400.00 already someone help me.
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