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Old 12-01-2002   #1 (permalink)
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Question Check Engine Light On

Hey guys, I just had a weird experience with my brand new GT. The car has 4482 miles on it and I just got a check engine light on while I was driving home from the beach with my wife. I recently read a thread on here about getting check engine lights not long after installing exhausts that remove all the cats like mine. I didn't sweat when the light came on because none of the needles deviated from their normal positions. When I got home I did the instrument panel diagnostic trick (BTW that's really cool!)The only diagnostic code that came up was a 5284, which is the oil pressure switch failure code, the strange thing is that the oil gage didn't budge at all. That seems slightly odd to me. I was wondering if Ford does the same thing that GM does ( God forbid me for mentioning them ) by installing milage points in the computer that turn the light on at a given milage. If anyone has experienced this, please let me know so I can calm the wife down as she's about to go through the roof over this.
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Old 12-01-2002   #2 (permalink)
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When installing an H/X-Pipe you need MIL Eliminators. This is because you are doing away with the converters. The MIL's go in line with the two rear most O2 sensors. I got mine from dallasmustang.com.

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Old 12-01-2002   #3 (permalink)
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I had the same light and code on mine. What the cause of my problem was the PIGGY BACK set of underdrive pulley's I had installed from BBK. I have since removed those and installed the BALANCED set from Steeda and I have not recieved a error code since.

Also as MUrdock said. If you have an off-road pipe you need Mil-Eliminators. One thing bad. If you removed your cats you voided your warranty and Federal laws. Be careful taking it back to the dealer.

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Old 12-02-2002   #4 (permalink)
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I'm not going to take it back to the dealer for anything but having the undercarriage coating sprayed on.
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