RPM.... CNTD... ECU Check Up

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09-18-2004, 11:21 AM

ILLeSt MaX

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RPM.... CNTD... ECU Check Up

Hey guys, I just got done doing the self ECU test, and I got two different codes.... The 1st code I got was "0304" and the 2nd code I got was "0503" I looked up the codes and its a problem with my Knock Sensor and Oxygen Sensor.. What should I do??

09-18-2004, 12:20 PM

99se5spd

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probably a bad o2 sensor, the knock sensor code it usually tripped when an o2 sensor goes bad, try replacing o2, reset, drive for a while and check codes again.

09-18-2004, 02:51 PM

ILLeSt MaX

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thanx for the reply... i appreciate it.. my friend was just telling me the samething.. im gonna have it checked out on monday.. Thank you

09-19-2004, 01:19 PM

Roman-dude

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what was it?

so, was the knock sensor fine?
my heater and knock sensors codes are up, but i am thinking that maybe heater is triggering the knock.... (155 & 325)
thanks

09-19-2004, 09:45 PM

ILLeSt MaX

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yup, the knock sensor is fine.. just like 99se5spd stated earlier.. the bad o2 sensor was just trigering the knock sensor to act bad too.. tomorrow, or tuesday, im getting everything checked out.