2007 Chevy Aveo

Tiny
SUZZE
  • MEMBER
  • 2007 CHEVROLET AVEO
2007 Chevy Aveo 4 cyl Front Wheel Drive Automatic

what color wire on the oxygen sensor of a 2007 chevy aveo is the high side?
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Monday, September 8th, 2008 AT 8:45 AM

6 Replies

Tiny
BRIAN 1
  • EXPERT
It depends? What engine 1.4 1.5 1.6 or 1.2L dohc or sohc which 02 sensor pre or post. All this info makes a big difference. It will lead me in the wrong direction which will lead you in the wrong direction. Need better info.
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Tuesday, September 9th, 2008 AT 8:13 PM
Tiny
SUZZE
  • MEMBER
I repllied to your message last week and have not gotten a response back. It was about the o2 sensor. If you did not receive it please let me know. Thank you very much.
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Wednesday, September 17th, 2008 AT 8:19 AM
Tiny
SUZZE
  • MEMBER
It is a 2007 chevy aveo. 1.6 litre, e-tec 2. 16 valve. Its the nearest oxygen sensor to the engine. I have 2 white wires, 1 black, and 1 light gray. Which wire is the high side of the 02 sensor?
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Wednesday, September 17th, 2008 AT 7:45 PM
Tiny
BRIAN 1
  • EXPERT
Not to sure what you mean by the "high side" of the 02 sensor. I looked at the wiring diagram and there is no high side. Just have low reference, signal 1 and heater control. The color of the wires don't match with the wiring I come up with? What are you trying to do here? I also need to know if this is a hatchback or a notchback. With or without throttle actuator control. All this makes a difference.
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Wednesday, September 17th, 2008 AT 8:59 PM
Tiny
SUZZE
  • MEMBER
First of alll, it is a hatchback. I am trying to install the EFIE (short for electronic fuel injection enhancer) into the highside wire of the 02 sensor. Some oxygen sensors have wires labeled highside and lowside. The manual will tell you. Which is the highside signal wire, but I do not have a manual. The correct oxygen sensor signal wire will have no electrical connection (continuity) to: the vehichles ground(negative) or the vechicle exhaust pipe, and any other wire coming from the oxygen sensor. I checked continuity from the sensor and everything has continuity. Thats why I will give you the color and number of wires: 2white, 1 black, and 1 light gray. Those are coming from the 02 sensor. I have different color wires that it is plugging into. 1 is pink & bllue, 1 brown, 1 black & blue and 1 white.
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Thursday, September 18th, 2008 AT 7:39 AM
Tiny
BRIAN 1
  • EXPERT
Here is the wiring 1
D-BU/BK
429
Heated Oxygen Sensor (HO2S) 1 Signal

2
BN
50
Heated Oxygen Sensor (HO2S) 1 Heater Control

3
WH
428
Heated Oxygen Sensor (HO2S) 1 Low Reference

4
PK/D-BU
1734
Main Relay Output

this should be what your looking for. The aveo is a different breed, these cars a real pain to work on!
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Thursday, September 18th, 2008 AT 5:41 PM

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