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Cobra Forums
The Terminator
Engine/Tuning
(Put your detective hat on) need to troubleshoot a couple issues
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<blockquote data-quote="big dad" data-source="post: 16678384" data-attributes="member: 100697"><p>The check engine light will come on after 2 fails in the system it is checking, that can and does fool people, so that's a normal function.</p><p></p><p>My advice would be to source the cat H-pipe and replace the off-road pipe, either that or install cat eliminators which I'll bet will be hard to find currently. Btw, those rear sensors are referred to as cat monitors, they even have a different part number then the upstream 02 sensors, 9F472 for the fronts and 9G444 for the monitors. I'm pretty sure those numbers are correct because I was a driveability tech for Ford but I'm retired now thank God for the last 12 years.</p></blockquote><p></p>
[QUOTE="big dad, post: 16678384, member: 100697"] The check engine light will come on after 2 fails in the system it is checking, that can and does fool people, so that's a normal function. My advice would be to source the cat H-pipe and replace the off-road pipe, either that or install cat eliminators which I'll bet will be hard to find currently. Btw, those rear sensors are referred to as cat monitors, they even have a different part number then the upstream 02 sensors, 9F472 for the fronts and 9G444 for the monitors. I'm pretty sure those numbers are correct because I was a driveability tech for Ford but I'm retired now thank God for the last 12 years. [/QUOTE]
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The Terminator
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(Put your detective hat on) need to troubleshoot a couple issues
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