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failed koer
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what is a Code 538?
Hi, hopefully someone can help, I have done a search of the forums and nothing answered my question. I have a 93 Ranger 4.0 auto. I have replaced plugs, wires, O2 sensors, Alternator, MAF, Air filter, PCV valve, had the injectors cleaned (not replaced), and still I am having a failed KOER...- Amyz93Ranger
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- code 538 failed koer
- Replies: 4
- Forum: 4.0 Liter Forum