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Old 02-19-2007, 08:44 PM   #1
Zetecrazy
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HELP!! CEL Chip & Header

I have had a race header with the MIL o2 cheater and my CEL light was not on. I bought a Diablpsport Delta chip and had it on the car for a month, but had problems with the LED on the toggle switch not working (no CEL on), so I sent the chip back. I got a new chip and put it in and now my CEL keeps on coming on reading P0136 (o2 bank 1 sensor 2) I replaced the downstream o2 sensor figuring this might be the problem, but everytime I turn off the light it comes back on shortly after. The chip is tuned to the header. What could be the cause of this CEL light coming on?? I figured the chip and CEL timing might have been coincidental, but now I don't know. Shouldn't a header tune turn off the CEL, not on? and could it possibly mean the MIL o2 cheater went bad? or do you think it is the chip?


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