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99 Honda Civic - Rough idle, stalls at full open throttle

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Old 11-12-2011, 02:29 PM   #1
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Default 99 Honda Civic - Rough idle, stalls at full open throttle

Hi,
Trying to get my 99 Honda Civic EX up and running again. Currently it is difficult to start, idles very rough @ around 600-700 rpms, and will stall if you press the gas pedal to hard. The only CEL code being thrown right now is #65 Secondary oxygen sensor heater wire.
I recently replaced and calibrated the throttle position sensor, and replaced the ECU which was bad.
Any ideas on whats wrong with it?
Thanks for your help in advance.
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Old 11-12-2011, 02:33 PM   #2
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Default Re: 99 Honda Civic - Rough idle, stalls at full open throttle

um... try replacing the bad O2 sensor?

always fix CEL before going any further with trying to find what is wrong
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2002, 93, civic, d16z6, dies, hard, honda, idle, open, oxygen, rough, sensor, stalls, start, throttle

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