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Codes, codes, and more codes!!! =(

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Old Aug 22, 2004 | 12:28 PM
  #1  
transam02's Avatar
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Default Codes, codes, and more codes!!! =(

My car has been running funny lately, so I decided to go and pull my codes at autozone.

I also have LT headers w/ORY

Here is what I got.
P0140
P0405
P0160
P0155
P1153

Any help will be appreciated

Morgan
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Old Aug 22, 2004 | 12:58 PM
  #2  
matty169's Avatar
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Default possible answers

p0140 02 sensor bank1, sensor2,no activity;p0155 02 sensor,heater cicuit malfunction,bank2,sensor 1;p0161same as 155,justrear sensor;p0405 EGR sensor A,circuit low;1153 I cant help with
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Old Aug 22, 2004 | 04:41 PM
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transam02's Avatar
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Can you help me a little more on what these codes actually stand for?

What do I need to do to my car?

Are my main 02's screwed up?
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Old Aug 23, 2004 | 01:47 PM
  #4  
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help me please!!!!
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Old Aug 23, 2004 | 02:01 PM
  #5  
ICEBOX's Avatar
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Default

Hmmm...update your sig so we know exactly what car/year and such you have.

Also, what else have you done w/ your car. Your O2 sensors are freekin' out.

the P0405 is a bad voltage reading for your EGR valve. Take it off and clean it with carb cleaner and that should take care of that.

P0140 is O2 circuit Insufficient Activity Bank 1 Sensor 2
P0160 is O2 Circuit Insufficient Activity Bank 2 Sensor 2
P0155 is O2 heater Performence Bank 2 Sensor 1
P1153 is O2 Insufficient Switching Bank 2 Sensor 1

So the question is...what did you do to your O2 sensors?
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Old Aug 23, 2004 | 02:22 PM
  #6  
horist's Avatar
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From: Lake Zurich, IL
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check the engine sensor fuse in the engine bay , verify that your O2 sensor wires are not resting on the headers.

Did this SES come on right after the Long tube install?

and I'm guessing from the name... it's a 2002 trans am
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Old Aug 26, 2004 | 03:07 PM
  #7  
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haha, No its a 99. The light did come on right after the install but i think it has just recently started acting up. He doesnt have o2 sims or anything yet so 2 of those are nomral but im not sure which 2.


What does those last 2 stated mean about the heater and insufficent switching?
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Old Aug 27, 2004 | 09:14 AM
  #8  
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From: East Central Florida
Default

It sounds to me like you're a prime guinea pig for
the "'vette rear O2 sensor mod". Your stock O2s
just don't like life in the big city, too cold for 'em.
The 'Vette rears are supposed to be higher wattage
heaters, and they are longer harness so you can
ditch the extensions. I do not know the part number
but maybe you can search it up and get someone
more in the know to verify it's what you want.
Reply
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