Can I get an ECU code if my Check Engine Light isn't lit?
05-09-2002, 05:15 AM
#1
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Join Date: Mar 2001
Posts: 945
Can I get an ECU code if my Check Engine Light isn't lit?
My car is seriously ******* it, and the symptoms lead me to any of several sensors. But I'm not getting a CEL! Anyone know whether I'd get a "No Fault" reading if I pull codes without my CEL on?
05-09-2002, 09:26 AM
#4
Originally posted by clee130
My guess is that you'll get a "no-fault" code since sensors need to trip the ECU in order to get a code.
You could always try it, but you'll probably get a "no-fault" code.
My guess is that you'll get a "no-fault" code since sensors need to trip the ECU in order to get a code.
You could always try it, but you'll probably get a "no-fault" code.
http://forums.maxima.org/showthread....t=Knock+sensor
Chances are you won't get much help around here on ECU codes
-hype
05-09-2002, 11:23 AM
#6
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Originally posted by jayanth
Try checking the resistances of the front & rear O2 sensors and the KS.Check to see if the CEL bulb is not blown out.
Try checking the resistances of the front & rear O2 sensors and the KS.Check to see if the CEL bulb is not blown out.
Thanks for your help, guys. If anyone has more info I'm all ears.
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