96 ek header
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Joined: Jul 2005
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From: chicago, illinois, u.s.a
96 ek header
i replaced my stock exhaust manifold with a header from an ef installed both o2 sensors and removed cat now car runs a little rich and check engine light is on any suggestions on problem......?????? 
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Joined: May 2004
Posts: 1,580
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From: Runnemede, NJ, 08078
Yes...find out why the CEL is on.
If you don't know how to do it, in the passenger side kick panel above the ECU is a green plug with 2 wires coming out of it. Take a paperclip and "jump" the plug if you know what I mean.
After the paperclip is in place, turn the key to ACC and the CEL will blink a number of times. If it has 2 long beeps and 3 short beeps, then the CEL code is 23, get it?
Search around on here for a list of the CEL codes, match up to the ones your car is throwing and go from there. I'll bet that whichever reason your car is throwing the CEL is whats making your car run rich but thats just common sense
If you don't know how to do it, in the passenger side kick panel above the ECU is a green plug with 2 wires coming out of it. Take a paperclip and "jump" the plug if you know what I mean.
After the paperclip is in place, turn the key to ACC and the CEL will blink a number of times. If it has 2 long beeps and 3 short beeps, then the CEL code is 23, get it?
Search around on here for a list of the CEL codes, match up to the ones your car is throwing and go from there. I'll bet that whichever reason your car is throwing the CEL is whats making your car run rich but thats just common sense
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