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SportTrac Discussion
Engine & Drivetrain
Aloha: PCM ECU questions
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<blockquote data-quote="DaBoss" data-source="post: 1051339" data-attributes="member: 74989"><p>Aloha Nick, the same check engine light codes come on, mostly in regard to the O2 sensors. My mechanic checked all the sensors and their heaters, working fine. Truck will run well for a bit, then I hear some noises especially at lower rpm's and the check engine light will come on. Hasn't done it in a week but I've limited driving it. Was thinking it could be the PCM ECU. But possibly my mechanic can open up some time to trace out the wiring/harness. It physically looks very good, no melted areas, nothing looks wet. But I wonder if after 16yrs and 175k that heat and elements may have caused a short? </p><p></p><p>Any suggestions are welcomed. Thank you very much. Mahalo!</p></blockquote><p></p>
[QUOTE="DaBoss, post: 1051339, member: 74989"] Aloha Nick, the same check engine light codes come on, mostly in regard to the O2 sensors. My mechanic checked all the sensors and their heaters, working fine. Truck will run well for a bit, then I hear some noises especially at lower rpm's and the check engine light will come on. Hasn't done it in a week but I've limited driving it. Was thinking it could be the PCM ECU. But possibly my mechanic can open up some time to trace out the wiring/harness. It physically looks very good, no melted areas, nothing looks wet. But I wonder if after 16yrs and 175k that heat and elements may have caused a short? Any suggestions are welcomed. Thank you very much. Mahalo! [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Aloha: PCM ECU questions
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