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Jan 14, 2009, 08:08 AM
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#1
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Evolving Member
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Join Date: Jun 2002
Location: Waco, Tx
Posts: 110
Drives: 2002 Lancer O*Z, 1993 Eagle Talon
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O2 sensor heater circuit malfunction
So in the midst of diagnosing a problem I scanned the car to see what codes it was throwing. It came back with the obvious ones cause I have no cats but the one that threw me for a loop said o2 sensor heater circuit malfunction bank 1. Now I know that bank one means the one attached to the EM but does that mean the sensor is bad or its having a wiring issure?
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Jan 20, 2009, 01:43 PM
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#2
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Location: Guatemala
Posts: 60
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The sensor is bad, change it
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Jan 20, 2009, 02:55 PM
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#3
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Evolving Member
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Location: Waco, Tx
Posts: 110
Drives: 2002 Lancer O*Z, 1993 Eagle Talon
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Thanks. Would that make the idle inconsistent and the Air/Fuel ratio go crazy?
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Jan 20, 2009, 05:32 PM
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#4
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Evolved Member
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Location: Southeastern PA
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Drives: Evo IX
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Quote:
Originally Posted by cyrax5709
Thanks. Would that make the idle inconsistent and the Air/Fuel ratio go crazy?
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Yup, I have the same issues unfortunately.
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Jan 21, 2009, 05:13 PM
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#5
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Evolving Member
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Location: Waco, Tx
Posts: 110
Drives: 2002 Lancer O*Z, 1993 Eagle Talon
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Ok so onto my next question. Has anybody used a "universal" o2 sensor? They have those at the parts store in my area. basically its a o2 sensor with no connector. You would use the connector from the OE one im assuming. Any ideas/feedback?
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Jan 21, 2009, 05:21 PM
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#6
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Location: Forth Worth, Texas
Posts: 826
Drives: TurboCharged Mitsubishi Lancer OZ-Rally
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I wouldn't see why it wouldn't work. Just splice the wires.
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pushing the limits of my stock 4g94 (turbo'd)
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Jan 22, 2009, 06:52 PM
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#7
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Evolving Member
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Location: Waco, Tx
Posts: 110
Drives: 2002 Lancer O*Z, 1993 Eagle Talon
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So ive been looking for a diagram to figure out which wires are which when it comes to the o2 sensor and this is what Ive found. it was on the dsm forums so can someone tell me if this applies to the lancer as well.
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Jan 23, 2009, 07:53 PM
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#8
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Evolving Member
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Drives: 2002 Lancer O*Z, 1993 Eagle Talon
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Ok so officially that diagram is very similar and the universal sensor works like a charm. turned off the CEL within 5 minutes. If anyone needs any help doing this just msg me
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Tags
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02, 2002, 2002change, circuit, evo, heater, lancer, malfunction, mitsubishi, o2, o2ho2, o2sensor, oxygen, sensor, sensors, turned  |
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