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Old 04-21-2025, 04:55 PM   #18
kglowacky
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Join Date: Mar 2020
Location: The Woodlands,Tx
Posts: 644
Re: engine miss
OK. The codes are PO134 and PO154.
Looks like you are on the right track. Did some research. I assume my rear o2 sensors are deleted from ecm. I am thinking of replacing both o2s and fuel filter. Your thoughts. I have for years said my fuel milage has sucked . I wonder if this has something to do with that.
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