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1996 Bonneville SSEI Traction control/Check Engine Light

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Old 12-12-2009, 06:19 AM
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Default 1996 Bonneville SSEI Traction control/Check Engine Light

I was wondering if anyone else has had this issue before. Here is whats happening. Every now and then, after sitting in a traffic jam or something and keeping constant pressure on the brake pedal, the traction control light will then light up on my dash. And then a couple seconds later when the brake is released, it will go out, but by that time it is too late and it throws a check engine code. The check engine light will stay on for 2 or 3 days until the computer resets itself. I dont have a scan tool and I have not been able to get the car somewhere to read the code as of yet. Does anyone know off the top what might be causing this to malfunction? The car seems totally fine in all aspects.
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Old 12-14-2009, 03:52 AM
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If you can, try swinging into Autozone. They can read codes for you. Get the code and post it back on here. That will give us something to start with.
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Old 12-20-2009, 01:39 PM
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it could be your front hub assembly going bad. That controls your traction and abs
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Old 12-27-2009, 05:45 PM
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OK, I finally got a chance to swing by Auto Zone. The code is a P0171 which apparently has nothing to do with the traction control, although they still come on together. According to the guy at Auto zone, the car is running to lean and the #1 bank. He told me it was probably a MAF sensor. But I just put a Brand new MAF sensor in the car only about 3-4 months ago. Then he said it could be my O2 sensor on the #1 bank. I hate to to keep dropping money if that isnt the problem. Any Ideas anyone????
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Old 12-27-2009, 06:07 PM
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Try spraying some carb choke cleaner around all your injectors while the engine is running. Once done with that, check all your vacuum lines and around intake mating surfaces.
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Old 12-28-2009, 06:13 AM
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Thanks I will Try That. I have an emmission test due in about a month. The check engine light does go out after driving the car about 75-100 miles. Does anyone know if the computer is then cleard out when the light is not on, or would it still show up with an OB2?
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Old 12-28-2009, 02:40 PM
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It may be stored as a fault code for reference, but may not continue to issue a check engine light.
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Old 03-18-2010, 06:33 PM
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I have the saem exact problem, I actually went to go check the code and it come up P0171. The cade means there is to much oxygen in my exhaust.
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